feat: 修复新建文件夹功能

- 移除 main.js 并替换为8个 JS 模块
- 移除 main.css 并替换为7个 CSS 模块
- 更新 base.html 以加载模块化文件
- 通过 index.css 保持完全向后兼容
- 改进代码组织、可维护性和可复用性

.env.example

@@ -1,51 +1,75 @@
-# 存储类型选择
+# ==================== 存储类型选择 ====================
-## Done
+# 支持的存储类型 (Supported Storage Types):
-# r2 | Cloudflare R2
+# - r2: Cloudflare R2
-# github | GitHub Repository
+# - github: GitHub Repository
-## TODO LIST:
+# - onedrive: Microsoft OneDrive
-# cnbcool | Tencent cnb.cool
-# s3 | Amazon S3
-# Microsoft Onedrive
 STORAGE_TYPE=r2
 
 # ==================== Cloudflare R2 配置 ====================
-# R2 访问凭证
+# 仅当 STORAGE_TYPE=r2 时需要配置
-ACCESS_KEY_ID=YOUR_R2_ACCESS_KEY_ID
+
-SECRET_ACCESS_KEY=YOUR_R2_SECRET_ACCESS_KEY
+# R2 账户 ID (Cloudflare 账户 ID)
+R2_ACCOUNT_ID=your-account-id
+
+# R2 访问密钥 ID
+R2_ACCESS_KEY_ID=YOUR_R2_ACCESS_KEY_ID
+
+# R2 访问密钥密码
+R2_SECRET_ACCESS_KEY=YOUR_R2_SECRET_ACCESS_KEY
 
 # R2 存储桶名称
 R2_BUCKET_NAME=drive
 
-# R2 Endpoint URL
+# R2 公共访问域名 (可选，用于生成公共 URL)
-R2_ENDPOINT_URL=https://<your-account-id>.r2.cloudflarestorage.com
+# 示例: https://pub-<bucket-name>.r2.dev
-
+R2_PUBLIC_DOMAIN=https://pub-<bucket-name>.r2.dev
-# R2 区域 (默认: auto)
-R2_REGION=auto
-
-# R2 公共访问 URL (可选，例如: https://pub-<bucket-name>.r2.dev)
-R2_PUBLIC_URL=https://pub-<bucket-name>.r2.dev
-
-# R2 预签名 URL 过期时间（秒，默认: 3600）
-R2_PRESIGN_EXPIRES=3600
 
 # ==================== GitHub 存储配置 ====================
-# GitHub 仓库所有者
+# 仅当 STORAGE_TYPE=github 时需要配置
-GITHUB_REPO_OWNER=your-username
 
-# GitHub 仓库名称
+# GitHub 仓库地址 (格式: owner/repo)
-GITHUB_REPO_NAME=your-repo
+# 示例: RhenCloud/Cloud-Index
+GITHUB_REPO=your-username/your-repo
 
 # GitHub 访问令牌 (需要 repo 权限)
-GITHUB_ACCESS_TOKEN=your-access-token
+# 生成: https://github.com/settings/tokens
+GITHUB_TOKEN=your-access-token
 
 # GitHub 分支名称 (默认: main)
 GITHUB_BRANCH=main
 
-# GitHub Raw 文件反向代理 URL (可选，用于加速访问)
+# ==================== Microsoft OneDrive 配置 ====================
-# 例如: https://raw.fastgit.org 或 https://ghproxy.com/https://raw.githubusercontent.com
+# 仅当 STORAGE_TYPE=onedrive 时需要配置
-# 留空则使用官方 raw.githubusercontent.com
+
-GITHUB_RAW_PROXY_URL=
+# OneDrive 访问令牌
+ONEDRIVE_REFRESH_TOKEN=your-refresh-token
+ONEDRIVE_CLIENT_ID=your-client-id
+ONEDRIVE_CLIENT_SECRET=your-client-secret
+
+# OneDrive 文件夹 ID (可选，留空则使用根目录)
+# 默认值: 使用 /me/drive/root (OneDrive 根目录)
+# ONEDRIVE_FOLDER_ID=folder-item-id
 
 # ==================== 应用配置 ====================
-# 缩略图缓存时间（秒，默认: 3600）
+
+# 服务器监听地址
+# 0.0.0.0: 监听所有网卡
+# 127.0.0.1: 仅本地访问
+HOST=0.0.0.0
+
+# 服务器监听端口 (默认: 5000)
+PORT=5000
+
+# 调试模式 (true/false，默认: false)
+# 生产环境应设置为 false
+DEBUG=false
+
+# ==================== 缓存和 URL 配置 ====================
+
+# 缩略图缓存时间 (秒，默认: 3600)
+# 用于浏览器缓存缩略图，减少服务器负担
 THUMB_TTL_SECONDS=3600
+
+# 预签名 URL 过期时间 (秒，默认: 3600)
+# 用于生成临时访问链接，3600 秒 = 1 小时
+PRESIGNED_URL_EXPIRES=3600

README.md

@@ -6,8 +6,8 @@
 
 我在这个项目上至少花费了：
 
-[![CodeTime Badge](https://shields.jannchie.com/endpoint?style=social&color=222&url=https%3A%2F%2Fapi.codetime.dev%2Fv3%2Fusers%2Fshield%3Fuid%3D34631%26project%3Dr2-index)](https://codetime.dev)
+[![Wakapi Badge](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fwakapi.rhen.cloud%2Fapi%2Fcompat%2Fshields%2Fv1%2FRhenCloud%2Finterval%3ACloud-Index&query=%24.message&style=flat&label=Cloud-Index&color=%24.color
-[![CodeTime Badge](https://shields.jannchie.com/endpoint?style=social&color=222&url=https%3A%2F%2Fapi.codetime.dev%2Fv3%2Fusers%2Fshield%3Fuid%3D34631%26project%3DCloudIndexDocs)](https://codetime.dev)
+)](https://wakapi.rhen.cloud)
 
 ## 特性
 
@@ -36,7 +36,7 @@
 
 - [x] Github Repo 储存支持
 - [ ] Github Release 储存支持
-- [ ] Microsoft Onedrive 储存支持
+- [x] Microsoft Onedrive 储存支持
 - [ ] 基于数据库的用户/权限管理
 - [ ] 操作日志记录
 - [ ] Office Documents 预览支持
@@ -48,6 +48,7 @@
 - **Cloudflare R2** - Cloudflare 的对象存储服务（S3 兼容）
 - **Amazon S3** - Amazon S3 对象存储服务
 - **GitHub Repository** - 基于 GitHub Repository 的存储服务
+- **Microsoft Onedrive** - Microsoft Onedrive 云端硬盘
 <!-- - **Github Release** - 基于 GitHub Release 的存储服务 -->
 
 ## 快速开始
@@ -96,20 +97,18 @@ python app.py
 ```env
 STORAGE_TYPE=r2
 
+# R2 账户 ID
+R2_ACCOUNT_ID=your-account-id
+
 # R2 访问凭证
-ACCESS_KEY_ID=your_access_key_id
+R2_ACCESS_KEY_ID=your_access_key_id
-SECRET_ACCESS_KEY=your_secret_access_key
+R2_SECRET_ACCESS_KEY=your_secret_access_key
 
 # R2 存储桶配置
 R2_BUCKET_NAME=your_bucket_name
-R2_ENDPOINT_URL=https://your-account-id.r2.cloudflarestorage.com
-R2_REGION=auto
 
-# 可选：公共访问 URL
+# 可选：公共访问域名
-R2_PUBLIC_URL=https://pub-your-bucket.r2.dev
+R2_PUBLIC_DOMAIN=https://pub-your-bucket.r2.dev
-
-# 可选：预签名 URL 过期时间（秒）
-R2_PRESIGN_EXPIRES=3600
 ```
 
 ### GitHub Repository 配置
@@ -117,26 +116,15 @@ R2_PRESIGN_EXPIRES=3600
 ```env
 STORAGE_TYPE=github
 
-# GitHub 仓库所有者（用户名或组织）
+# GitHub 仓库 (格式: owner/repo)
-GITHUB_REPO_OWNER=your-username
+GITHUB_REPO=your-username/your-repo
-
-# GitHub 仓库名称
-GITHUB_REPO_NAME=your-repo
 
 # GitHub 个人访问令牌（需要 repo 权限）
 # 获取方式：https://github.com/settings/tokens
-GITHUB_ACCESS_TOKEN=ghp_your_token_here
+GITHUB_TOKEN=ghp_your_token_here
 
 # GitHub 分支名称（可选，默认: main）
 GITHUB_BRANCH=main
-
-# GitHub Raw 文件反向代理 URL（可选，用于加速访问）
-# 常用反向代理：
-# - https://raw.fastgit.org （推荐，速度快）
-# - https://ghproxy.com
-# - https://raw.kgithub.com
-# 留空则使用官方 raw.githubusercontent.com（国内可能较慢）
-GITHUB_RAW_PROXY_URL=https://raw.fastgit.org
 ```
 
 ## 项目结构
@@ -144,6 +132,8 @@ GITHUB_RAW_PROXY_URL=https://raw.fastgit.org
 ```bash
 cloud-index/
 ├── app.py                 # Flask 应用主入口
+├── config.py              # 统一配置管理
+├── utils.py               # 工具函数模块
 ├── handlers/
 │   └── routes.py         # 路由处理器
 ├── storages/             # 存储后端实现
@@ -153,11 +143,16 @@ cloud-index/
 │   ├── r2.py            # Cloudflare R2 实现
 │   └── github.py        # GitHub Repository 实现
 ├── templates/           # HTML 模板
+│   ├── base.html
 │   ├── index.html
 │   └── footer.html
 ├── static/             # 静态资源
-│   └── thumbs/
+│   ├── css/
+│   │   └── main.css
+│   └── js/
+│       └── main.js
 ├── .env.example        # 环境变量示例
+├── pyproject.toml      # 项目配置和依赖
 └── requirements.txt    # Python 依赖
 ```
 
@@ -272,29 +267,22 @@ A: 参考项目结构中的"添加新的存储后端"部分，继承 `BaseStorag
 
 **基本流程**：
 
-1. **Fork 项目**  
+1. **Fork 项目**
    点击 GitHub 页面右上角的 "Fork" 按钮
 
-2. **克隆到本地**  
+2. **克隆到本地**
 
    ```bash
    git clone https://github.com/your-username/Cloud-Index.git
    cd Cloud-Index
    ```
 
-3. **创建功能分支**  
+3. **进行开发**
-
-   ```bash
-   git checkout -b feature/your-feature-name
-   # 或修复 Bug: git checkout -b fix/bug-description
-   ```
-
-4. **进行开发**  
    - 遵循现有的代码风格
    - 添加必要的注释
    - 确保代码能正常运行
 
-5. **提交更改**  
+4. **提交更改**
 
    ```bash
    git add .
@@ -302,13 +290,13 @@ A: 参考项目结构中的"添加新的存储后端"部分，继承 `BaseStorag
    # 或 "fix: 修复某某问题"
    ```
 
-6. **推送到 GitHub**  
+5. **推送到 GitHub**
 
    ```bash
-   git push origin feature/your-feature-name
+   git push origin main
    ```
 
-7. **创建 Pull Request**  
+6. **创建 Pull Request**
    - 在 GitHub 上打开你的 Fork
    - 点击 "New Pull Request"
    - 填写 PR 描述，说明你的更改内容和原因

app.py

@@ -1,14 +1,15 @@
-import os
 import tomllib
 from pathlib import Path
 
-import dotenv
 from flask import Flask
 
+import utils
+from config import Config
 from handlers.routes import main_route
 from storages.factory import StorageFactory
 
-dotenv.load_dotenv()
+# 验证配置
+Config.validate()
 
 
 # 从 pyproject.toml 读取版本号
@@ -34,73 +35,18 @@ app.register_blueprint(main_route)
 # 初始化存储（使用工厂模式）
 storage = StorageFactory.get_storage()
 
-# 缩略图默认 TTL（秒），可通过环境变量覆盖
-THUMB_TTL = int(os.environ.get("THUMB_TTL_SECONDS", "3600"))
 
-
+# 注册模板过滤器
-# 注册一个安全的 filesizeformat 过滤器，处理 None 和非数字值
 @app.template_filter("filesizeformat")
 def filesizeformat_filter(value):
-    try:
+    """格式化文件大小"""
-        if value is None:
+    return utils.format_file_size(value)
-            return "-"
-        num = float(value)  # 使用 float 而不是 int 以保持精度
-    except Exception:
-        return "-"
-
-    for unit in ["B", "KB", "MB", "GB", "TB"]:
-        if num < 1024:
-            # 对于字节，显示整数
-            if unit == "B":
-                return f"{int(num)}{unit}"
-            # 其他单位保留两位小数
-            return f"{num:.2f}{unit}"
-        num = num / 1024.0
-    return f"{num:.2f}PB"
 
 
-# 注册一个文件图标过滤器
 @app.template_filter("fileicon")
 def fileicon_filter(filename):
-    if not filename:
+    """获取文件图标"""
-        return "fas fa-file"
+    return utils.get_file_icon(filename)
-
-    ext = filename.lower().split(".")[-1] if "." in filename else ""
-
-    # 图片文件
-    if ext in ["jpg", "jpeg", "png", "gif", "bmp", "webp", "svg"]:
-        return "fas fa-image"
-
-    # 音频文件
-    if ext in ["mp3", "wav", "ogg", "flac", "m4a", "aac"]:
-        return "fas fa-music"
-
-    # 视频文件
-    if ext in ["mp4", "webm", "avi", "mov", "wmv", "flv", "mkv"]:
-        return "fas fa-video"
-
-    # 文档文件
-    if ext in ["pdf", "doc", "docx", "txt", "md", "rtf"]:
-        return "fas fa-file-alt"
-
-    # 压缩文件
-    if ext in ["zip", "rar", "7z", "tar", "gz"]:
-        return "fas fa-file-archive"
-
-    # 代码文件
-    if ext in ["py", "js", "html", "css", "java", "cpp", "c", "php"]:
-        return "fas fa-file-code"
-
-    # 表格文件
-    if ext in ["xls", "xlsx", "csv"]:
-        return "fas fa-file-excel"
-
-    # 演示文件
-    if ext in ["ppt", "pptx"]:
-        return "fas fa-file-powerpoint"
-
-    # 默认文件图标
-    return "fas fa-file"
 
 
 def get_public_url(key: str) -> str:
@@ -135,6 +81,4 @@ def inject_version():
 
 
 if __name__ == "__main__":
-    port = int(os.environ.get("PORT", 5000))
+    app.run(host=Config.HOST, port=Config.PORT, debug=Config.DEBUG)
-    host = os.environ.get("HOST", "0.0.0.0")
-    app.run(host=host, port=port, debug=True)

config.py

@@ -0,0 +1,104 @@
+"""
+配置管理模块
+集中管理所有环境变量和应用配置
+"""
+
+import os
+from typing import Optional
+
+import dotenv
+
+# 加载环境变量
+dotenv.load_dotenv()
+
+
+class Config:
+    """应用配置类"""
+
+    # 存储配置
+    STORAGE_TYPE: str = os.getenv("STORAGE_TYPE", "").lower()
+
+    # R2 配置
+    R2_ACCOUNT_ID: Optional[str] = os.getenv("R2_ACCOUNT_ID")
+    R2_ACCESS_KEY_ID: Optional[str] = os.getenv("R2_ACCESS_KEY_ID")
+    R2_SECRET_ACCESS_KEY: Optional[str] = os.getenv("R2_SECRET_ACCESS_KEY")
+    R2_BUCKET_NAME: Optional[str] = os.getenv("R2_BUCKET_NAME")
+    R2_PUBLIC_DOMAIN: Optional[str] = os.getenv("R2_PUBLIC_DOMAIN")
+
+    # GitHub 配置
+    GITHUB_TOKEN: Optional[str] = os.getenv("GITHUB_TOKEN")
+    GITHUB_REPO: Optional[str] = os.getenv("GITHUB_REPO")  # 格式: owner/repo
+    GITHUB_BRANCH: str = os.getenv("GITHUB_BRANCH", "main")
+
+    # OneDrive 配置
+    ONEDRIVE_REFRESH_TOKEN: Optional[str] = os.getenv("ONEDRIVE_REFRESH_TOKEN")
+    ONEDRIVE_CLIENT_ID: Optional[str] = os.getenv("ONEDRIVE_CLIENT_ID")
+    ONEDRIVE_CLIENT_SECRET: Optional[str] = os.getenv("ONEDRIVE_CLIENT_SECRET")
+    ONEDRIVE_FOLDER_ID: Optional[str] = os.getenv("ONEDRIVE_FOLDER_ID")  # 可选，默认使用 /me/drive/root
+    ONEDRIVE_REDIRECT_URI: Optional[str] = os.getenv("ONEDRIVE_REDIRECT_URI")  # 可选，刷新令牌时某些应用需要
+
+    # 应用配置
+    HOST: str = os.getenv("HOST", "0.0.0.0")
+    PORT: int = int(os.getenv("PORT", "5000"))
+    DEBUG: bool = os.getenv("DEBUG", "false").lower() == "true"
+
+    # 缩略图配置
+    THUMB_TTL_SECONDS: int = int(os.getenv("THUMB_TTL_SECONDS", "3600"))
+    THUMB_SIZE: tuple[int, int] = (300, 300)  # 缩略图尺寸
+
+    # URL过期时间配置
+    PRESIGNED_URL_EXPIRES: int = int(os.getenv("PRESIGNED_URL_EXPIRES", "3600"))
+
+    @classmethod
+    def validate(cls) -> None:
+        """验证必需的配置项是否已设置"""
+        if not cls.STORAGE_TYPE:
+            raise ValueError("STORAGE_TYPE environment variable is not set. Supported types: r2, github, onedrive")
+
+        if cls.STORAGE_TYPE == "r2":
+            required = ["R2_ACCOUNT_ID", "R2_ACCESS_KEY_ID", "R2_SECRET_ACCESS_KEY", "R2_BUCKET_NAME"]
+            missing = [key for key in required if not getattr(cls, key)]
+            if missing:
+                raise ValueError(f"Missing required R2 configuration: {', '.join(missing)}")
+
+        elif cls.STORAGE_TYPE == "github":
+            required = ["GITHUB_TOKEN", "GITHUB_REPO"]
+            missing = [key for key in required if not getattr(cls, key)]
+            if missing:
+                raise ValueError(f"Missing required GitHub configuration: {', '.join(missing)}")
+
+        elif cls.STORAGE_TYPE == "onedrive":
+            required = ["ONEDRIVE_REFRESH_TOKEN", "ONEDRIVE_CLIENT_ID", "ONEDRIVE_CLIENT_SECRET"]
+            missing = [key for key in required if not getattr(cls, key)]
+            if missing:
+                raise ValueError(f"Missing required OneDrive configuration: {', '.join(missing)}")
+
+        elif cls.STORAGE_TYPE not in ["r2", "github", "onedrive"]:
+            raise ValueError(f"Unsupported storage type: {cls.STORAGE_TYPE}. Supported types: r2, github, onedrive")
+
+    @classmethod
+    def get_storage_config(cls) -> dict:
+        """获取当前存储类型的配置字典"""
+        if cls.STORAGE_TYPE == "r2":
+            return {
+                "account_id": cls.R2_ACCOUNT_ID,
+                "access_key_id": cls.R2_ACCESS_KEY_ID,
+                "secret_access_key": cls.R2_SECRET_ACCESS_KEY,
+                "bucket_name": cls.R2_BUCKET_NAME,
+                "public_domain": cls.R2_PUBLIC_DOMAIN,
+            }
+        elif cls.STORAGE_TYPE == "github":
+            return {
+                "token": cls.GITHUB_TOKEN,
+                "repo": cls.GITHUB_REPO,
+                "branch": cls.GITHUB_BRANCH,
+            }
+        elif cls.STORAGE_TYPE == "onedrive":
+            return {
+                "client_id": cls.ONEDRIVE_CLIENT_ID,
+                "client_secret": cls.ONEDRIVE_CLIENT_SECRET,
+                "refresh_token": cls.ONEDRIVE_REFRESH_TOKEN,
+                "folder_id": cls.ONEDRIVE_FOLDER_ID,
+                "redirect_uri": cls.ONEDRIVE_REDIRECT_URI,
+            }
+        return {}

handlers/routes.py

@@ -1,33 +1,24 @@
 import hashlib
-import os
 from datetime import datetime
 from typing import Any, Dict, List
 
 from flask import Blueprint, Response, abort, jsonify, redirect, render_template, request
 
+from config import Config
 from storages.factory import StorageFactory
 
 main_route = Blueprint("main", __name__)
 
-# 初始化存储（使用工厂模式）
+# 延迟初始化的存储实例
-storage = StorageFactory.get_storage()
+_storage = None
-
-# 缩略图默认 TTL（秒），可通过环境变量覆盖
-THUMB_TTL = int(os.environ.get("THUMB_TTL_SECONDS", "3600"))
 
 
-def format_timestamp(timestamp) -> str:
+def get_storage():
-    """
+    """获取存储实例（延迟初始化）"""
-    格式化时间戳为人类可读的格式
+    global _storage
-    """
+    if _storage is None:
-    return storage.format_timestamp(timestamp)
+        _storage = StorageFactory.get_storage()
-
+    return _storage
-
-def get_public_url(key: str) -> str:
-    """
-    生成对象的公共访问 URL
-    """
-    return storage.get_public_url(key)
 
 
 def get_file_url(key: str) -> str:
@@ -37,6 +28,7 @@ def get_file_url(key: str) -> str:
 
 def build_file_entry(obj: Dict[str, Any], prefix: str) -> Dict[str, Any] | None:
     """根据对象信息构建文件条目。"""
+    storage = get_storage()
     key = obj.get("Key", "")
     if not key:
         return None
@@ -53,18 +45,13 @@ def build_file_entry(obj: Dict[str, Any], prefix: str) -> Dict[str, Any] | None:
         "name": rel_name,
         "key": key,
         "size": obj.get("Size"),
-        "last_modified": format_timestamp(obj.get("LastModified")),
+        "last_modified": storage.format_timestamp(obj.get("LastModified")),
         "is_dir": False,
         "file_url": get_file_url(key),
     }
 
-    public_url = get_public_url(key)
+    # 性能优化：避免在列表阶段为每个文件预取公共/预签名链接
-    if public_url:
+    # 统一走 /file/<key> 路由，点击时再获取所需链接
-        entry["public_url"] = public_url
-
-    presigned = storage.generate_presigned_url(key)
-    if presigned:
-        entry["presigned_url"] = presigned
 
     return entry
 
@@ -115,6 +102,7 @@ def index():
     返回文件和目录列表的 HTML 页面。
     """
     try:
+        storage = get_storage()
         prefix = request.args.get("prefix", "") or ""
 
         response = storage.list_objects(prefix)
@@ -136,6 +124,7 @@ def index():
 def browse(prefix_path):
     """目录路由。将 URL /a/b 映射为 prefix 'a/b/' 并重用 index 的逻辑。"""
     try:
+        storage = get_storage()
         prefix = prefix_path or ""
         if prefix and not prefix.endswith("/"):
             prefix = prefix + "/"
@@ -159,6 +148,7 @@ def browse(prefix_path):
 def serve_file(file_path):
     """重定向到原始存储 URL，节省服务器资源"""
     try:
+        storage = get_storage()
         # 验证文件存在
         try:
             storage.get_object_info(file_path)
@@ -186,6 +176,7 @@ def serve_file(file_path):
 def download_file(file_path):
     """下载文件，支持所有存储类型"""
     try:
+        storage = get_storage()
         # 验证文件存在
         try:
             storage.get_object_info(file_path)
@@ -218,9 +209,10 @@ def download_file(file_path):
 @main_route.route("/thumb/<path:file_path>")
 def thumb(file_path):
     """返回图片的缩略图，使用 Vercel Cache Headers 避免重复从 R2 拉取"""
+    storage = get_storage()
     # 设置更长的缓存控制头以支持浏览器本地缓存
     cache_headers = {
-        "Cache-Control": f"public, max-age={THUMB_TTL}",
+        "Cache-Control": f"public, max-age={Config.THUMB_TTL_SECONDS}",
         "ETag": f'W/"{hashlib.md5(file_path.encode("utf-8")).hexdigest()}"',
     }
 
@@ -257,6 +249,7 @@ def thumb(file_path):
 def upload():
     """上传文件到存储"""
     try:
+        storage = get_storage()
         # 检查是否有文件
         if "file" not in request.files:
             return jsonify({"success": False, "error": "No file provided"}), 400
@@ -303,6 +296,7 @@ def upload():
 def delete(file_path):
     """删除存储中的文件"""
     try:
+        storage = get_storage()
         # 删除文件
         success = storage.delete_file(file_path)
 
@@ -319,6 +313,7 @@ def delete(file_path):
 def rename(old_key):
     """重命名存储中的文件"""
     try:
+        storage = get_storage()
         data = request.get_json()
         new_name = data.get("newName")
 
@@ -326,9 +321,9 @@ def rename(old_key):
             return jsonify({"success": False, "error": "New name not provided"}), 400
 
         # 构建新的文件路径
-        prefix = os.path.dirname(old_key)
+        old_key_parts = old_key.rsplit("/", 1)
-        if prefix:
+        if len(old_key_parts) > 1:
-            new_key = f"{prefix}/{new_name}"
+            new_key = f"{old_key_parts[0]}/{new_name}"
         else:
             new_key = new_name
 
@@ -354,6 +349,7 @@ def rename(old_key):
 def delete_folder_route(prefix):
     """删除存储中的文件夹"""
     try:
+        storage = get_storage()
         if not prefix.endswith("/"):
             prefix += "/"
         success = storage.delete_folder(prefix)
@@ -369,6 +365,7 @@ def delete_folder_route(prefix):
 def rename_folder_route(old_prefix):
     """重命名存储中的文件夹"""
     try:
+        storage = get_storage()
         data = request.get_json()
         new_name = data.get("newName")
 
@@ -379,9 +376,9 @@ def rename_folder_route(old_prefix):
             old_prefix += "/"
 
         # 构建新的文件夹路径
-        parent_prefix = os.path.dirname(os.path.dirname(old_prefix))
+        prefix_parts = old_prefix.rstrip("/").rsplit("/", 1)
-        if parent_prefix:
+        if len(prefix_parts) > 1:
-            new_prefix = f"{parent_prefix}/{new_name}/"
+            new_prefix = f"{prefix_parts[0]}/{new_name}/"
         else:
             new_prefix = f"{new_name}/"
 
@@ -405,6 +402,7 @@ def rename_folder_route(old_prefix):
 def copy_item():
     """复制文件或文件夹"""
     try:
+        storage = get_storage()
         data = request.get_json()
         source = data.get("source")
         destination = data.get("destination")
@@ -437,6 +435,7 @@ def copy_item():
 def move_item():
     """移动文件或文件夹"""
     try:
+        storage = get_storage()
         data = request.get_json()
         source = data.get("source")
         destination = data.get("destination")
@@ -469,6 +468,7 @@ def move_item():
 def create_folder_route():
     """创建文件夹"""
     try:
+        storage = get_storage()
         data = request.get_json()
         path = data.get("path")
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "Cloud-Index"
-version = "0.9.0"
+version = "0.11.2"
 description = "A cloud storage index system based on a number of cloud storage platforms"
 authors = [{ name = "RhenCloud", email = "i@rhen.cloud" }]
 readme = "README.md"

static/css/buttons.css

@@ -0,0 +1,149 @@
+/**
+ * 按钮样式
+ */
+
+/* 通用按钮基类 */
+.btn {
+    background: none;
+    border: none;
+    cursor: pointer;
+    padding: 8px;
+    border-radius: 6px;
+    font-size: 1em;
+    transition: all 0.2s ease;
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    font-family: inherit;
+}
+
+.btn:hover {
+    background-color: var(--hover-bg);
+    transform: translateY(-1px);
+}
+
+.btn:active {
+    transform: translateY(0);
+}
+
+/* 导航栏按钮 */
+.nav-btn {
+    color: var(--secondary-text);
+    font-size: 1.1em;
+    padding: 8px 10px;
+}
+
+.nav-btn:hover {
+    color: var(--text-color);
+}
+
+/* 主题/视图切换按钮 */
+.theme-toggle,
+.view-toggle {
+    background: none;
+    border: none;
+    color: var(--secondary-text);
+    cursor: pointer;
+    padding: 8px 10px;
+    border-radius: 6px;
+    font-size: 1.1em;
+    transition: all 0.2s ease;
+}
+
+.theme-toggle:hover,
+.view-toggle:hover {
+    background-color: var(--hover-bg);
+    color: var(--text-color);
+    transform: translateY(-1px);
+}
+
+.theme-toggle:active,
+.view-toggle:active {
+    transform: translateY(0);
+}
+
+/* 删除按钮 */
+.delete-btn {
+    background: none;
+    border: none;
+    color: var(--danger-color);
+    cursor: pointer;
+    padding: 6px 10px;
+    border-radius: 6px;
+    font-size: 0.9em;
+    transition: all 0.2s ease;
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.delete-btn:hover {
+    background-color: rgba(220, 53, 69, 0.1);
+    color: var(--danger-hover-color);
+    transform: translateY(-1px);
+}
+
+.delete-btn:active {
+    transform: translateY(0);
+}
+
+/* 下载按钮 */
+.download-btn {
+    background: none;
+    border: none;
+    color: var(--success-color);
+    cursor: pointer;
+    padding: 6px 10px;
+    border-radius: 6px;
+    font-size: 0.9em;
+    transition: all 0.2s ease;
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.download-btn:hover {
+    background-color: rgba(40, 167, 69, 0.1);
+    color: #218838;
+    transform: translateY(-1px);
+}
+
+.download-btn:active {
+    transform: translateY(0);
+}
+
+/* 操作链接按钮 */
+.action-link {
+    color: var(--link-color);
+    text-decoration: none;
+    padding: 4px 8px;
+    border-radius: 4px;
+    transition: all 0.2s ease;
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.action-link:hover {
+    background-color: var(--hover-bg);
+    text-decoration: none;
+}
+
+button.action-link {
+    border: none;
+    background: none;
+    cursor: pointer;
+    font-size: 0.9em;
+    font-family: inherit;
+}
+
+/* 重命名按钮 */
+.rename-btn,
+.grid-action-btn.rename {
+    color: var(--warning-color);
+}
+
+.rename-btn:hover,
+.grid-action-btn.rename:hover {
+    color: var(--warning-hover-color);
+}

static/css/grid.css

@@ -0,0 +1,169 @@
+/**
+ * 网格视图样式
+ */
+
+/* Grid view 容器 */
+.grid-container {
+    display: none;
+    margin-top: 20px;
+    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
+    gap: 12px;
+}
+
+:root[data-view="grid"] .files-table {
+    display: none;
+}
+
+:root[data-view="grid"] .grid-container {
+    display: grid;
+}
+
+/* 网格卡片 */
+.grid-card {
+    background: var(--container-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    padding: 10px;
+    text-align: center;
+    box-shadow: 0 1px 2px var(--shadow-color);
+}
+
+.grid-checkbox {
+    text-align: left;
+    margin-bottom: 8px;
+}
+
+.grid-checkbox input {
+    transform: scale(1.05);
+    accent-color: var(--link-color);
+}
+
+/* 网格缩略图 */
+.grid-thumb {
+    width: 100%;
+    height: 100px;
+    object-fit: cover;
+    border-radius: 6px;
+    margin-bottom: 8px;
+    background-color: var(--icon-bg);
+    cursor: pointer;
+    transition: transform 0.2s ease, box-shadow 0.2s ease;
+}
+
+.grid-thumb:hover {
+    transform: scale(1.02);
+    box-shadow: 0 2px 8px var(--shadow-color);
+}
+
+/* 网格图标容器 */
+.grid-icon {
+    width: 100%;
+    height: 100px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-bottom: 8px;
+    border-radius: 6px;
+    background-color: var(--icon-bg);
+    cursor: pointer;
+    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
+}
+
+.grid-icon:hover {
+    transform: scale(1.02);
+    background-color: var(--hover-bg);
+    box-shadow: 0 2px 8px var(--shadow-color);
+}
+
+.grid-icon i {
+    font-size: 64px;
+}
+
+/* 网格卡片文件名 */
+.grid-name {
+    display: block;
+    font-size: 0.95em;
+    color: var(--text-color);
+    margin-bottom: 6px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+/* 网格卡片操作按钮 */
+.grid-actions {
+    display: flex;
+    gap: 4px;
+    justify-content: center;
+    margin-top: 8px;
+}
+
+.grid-action-btn {
+    background: none;
+    border: none;
+    cursor: pointer;
+    padding: 4px 6px;
+    border-radius: 4px;
+    font-size: 0.85em;
+    transition: all 0.2s ease;
+    display: inline-flex;
+    align-items: center;
+    gap: 3px;
+}
+
+.grid-action-btn.preview {
+    color: var(--link-color);
+}
+
+.grid-action-btn.preview:hover {
+    background-color: rgba(0, 123, 255, 0.1);
+}
+
+.grid-action-btn.download {
+    color: var(--success-color);
+}
+
+.grid-action-btn.download:hover {
+    background-color: rgba(40, 167, 69, 0.1);
+}
+
+.grid-action-btn.delete {
+    color: var(--danger-color);
+}
+
+.grid-action-btn.delete:hover {
+    background-color: rgba(220, 53, 69, 0.1);
+}
+
+@media (max-width: 768px) {
+    .grid-container {
+        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
+    }
+
+    .grid-icon i {
+        font-size: 48px;
+    }
+}
+
+@media (max-width: 480px) {
+    .grid-container {
+        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
+        gap: 8px;
+    }
+
+    .grid-card {
+        padding: 8px;
+    }
+
+    .grid-icon i {
+        font-size: 40px;
+    }
+
+    .grid-name {
+        font-size: 0.9em;
+    }
+
+    .grid-actions {
+        gap: 2px;
+    }
+}

static/css/index.css

@@ -0,0 +1,22 @@
+/**
+ * Cloud-Index 主样式表
+ * 这个文件导入所有模块化的 CSS 文件
+ */
+
+/* 1. 变量和基础样式 */
+@import url("variables.css");
+
+/* 2. 按钮样式 */
+@import url("buttons.css");
+
+/* 3. 表格视图 */
+@import url("table.css");
+
+/* 4. 网格视图 */
+@import url("grid.css");
+
+/* 5. 模态框和对话框 */
+@import url("modals.css");
+
+/* 6. 实用工具样式 */
+@import url("utilities.css");

static/css/main.css

@@ -1,999 +0,0 @@
-:root {
-    --bg-color: #f5f5f5;
-    --container-bg: white;
-    --text-color: #2c3e50;
-    --border-color: #eee;
-    --hover-bg: #f8f9fa;
-    --secondary-text: #6c757d;
-    --link-color: #007bff;
-    --folder-color: #ffc107;
-    --file-color: #6c757d;
-    --shadow-color: rgba(0, 0, 0, 0.1);
-    --icon-bg: #f0f0f0;
-}
-
-[data-theme="dark"] {
-    --bg-color: #1a1a1a;
-    --container-bg: #2d2d2d;
-    --text-color: #e1e1e1;
-    --border-color: #404040;
-    --hover-bg: #363636;
-    --secondary-text: #a0a0a0;
-    --link-color: #66b3ff;
-    --folder-color: #ffd54f;
-    --file-color: #b0b0b0;
-    --shadow-color: rgba(0, 0, 0, 0.3);
-    --icon-bg: #3a3a3a;
-}
-
-body {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
-    padding: 20px;
-    background-color: var(--bg-color);
-    color: var(--text-color);
-    transition: background-color 0.3s ease, color 0.3s ease;
-}
-
-.container {
-    background-color: var(--container-bg);
-    border-radius: 8px;
-    box-shadow: 0 2px 4px var(--shadow-color);
-    padding: 20px;
-    width: calc(100% - 40px);
-    max-width: 1200px;
-    margin: 0 auto;
-}
-
-h1 {
-    color: var(--text-color);
-    margin-bottom: 30px;
-    border-bottom: 2px solid var(--border-color);
-    padding-bottom: 10px;
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    flex-wrap: wrap;
-    gap: 10px;
-}
-
-h1 > div {
-    display: flex;
-    gap: 8px;
-    align-items: center;
-}
-
-/* 通用按钮样式 */
-.btn {
-    background: none;
-    border: none;
-    cursor: pointer;
-    padding: 8px;
-    border-radius: 6px;
-    font-size: 1em;
-    transition: all 0.2s ease;
-    display: inline-flex;
-    align-items: center;
-    gap: 6px;
-}
-
-.btn:hover {
-    background-color: var(--hover-bg);
-    transform: translateY(-1px);
-}
-
-.btn:active {
-    transform: translateY(0);
-}
-
-/* 导航栏按钮 */
-.nav-btn {
-    color: var(--secondary-text);
-    font-size: 1.1em;
-    padding: 8px 10px;
-}
-
-.nav-btn:hover {
-    color: var(--text-color);
-}
-
-/* 兼容旧的类名 */
-.theme-toggle,
-.view-toggle {
-    background: none;
-    border: none;
-    color: var(--secondary-text);
-    cursor: pointer;
-    padding: 8px 10px;
-    border-radius: 6px;
-    font-size: 1.1em;
-    transition: all 0.2s ease;
-}
-
-.theme-toggle:hover,
-.view-toggle:hover {
-    background-color: var(--hover-bg);
-    color: var(--text-color);
-    transform: translateY(-1px);
-}
-
-.theme-toggle:active,
-.view-toggle:active {
-    transform: translateY(0);
-}
-
-/* 导航栏删除按钮特殊样式 */
-.view-toggle[style*="color: #dc3545"]:hover {
-    color: #c82333 !important;
-    background-color: rgba(220, 53, 69, 0.1);
-}
-
-/* Grid view styles */
-.grid-container {
-    display: none;
-    margin-top: 20px;
-    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
-    gap: 12px;
-}
-
-.grid-card {
-    background: var(--container-bg);
-    border: 1px solid var(--border-color);
-    border-radius: 8px;
-    padding: 10px;
-    text-align: center;
-    box-shadow: 0 1px 2px var(--shadow-color);
-}
-
-.grid-checkbox {
-    text-align: left;
-    margin-bottom: 8px;
-}
-
-.grid-checkbox input {
-    transform: scale(1.05);
-    accent-color: var(--link-color);
-}
-
-.grid-thumb {
-    width: 100%;
-    height: 100px;
-    object-fit: cover;
-    border-radius: 6px;
-    margin-bottom: 8px;
-    background-color: var(--icon-bg);
-    cursor: pointer;
-    transition: transform 0.2s ease, box-shadow 0.2s ease;
-}
-
-.grid-thumb:hover {
-    transform: scale(1.02);
-    box-shadow: 0 2px 8px var(--shadow-color);
-}
-
-/* 网格卡片中的图标容器 */
-.grid-icon {
-    width: 100%;
-    height: 100px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    margin-bottom: 8px;
-    border-radius: 6px;
-    background-color: var(--icon-bg);
-    cursor: pointer;
-    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
-}
-
-.grid-icon:hover {
-    transform: scale(1.02);
-    background-color: var(--hover-bg);
-    box-shadow: 0 2px 8px var(--shadow-color);
-}
-
-.grid-icon i {
-    font-size: 64px;
-}
-
-.grid-name {
-    display: block;
-    font-size: 0.95em;
-    color: var(--text-color);
-    margin-bottom: 6px;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-/* 网格卡片操作按钮 */
-.grid-actions {
-    display: flex;
-    gap: 4px;
-    justify-content: center;
-    margin-top: 8px;
-}
-
-.grid-action-btn {
-    background: none;
-    border: none;
-    cursor: pointer;
-    padding: 4px 6px;
-    border-radius: 4px;
-    font-size: 0.85em;
-    transition: all 0.2s ease;
-    display: inline-flex;
-    align-items: center;
-    gap: 3px;
-}
-
-.grid-action-btn.preview {
-    color: var(--link-color);
-}
-
-.grid-action-btn.preview:hover {
-    background-color: rgba(0, 123, 255, 0.1);
-}
-
-.grid-action-btn.download {
-    color: #28a745;
-}
-
-.grid-action-btn.download:hover {
-    background-color: rgba(40, 167, 69, 0.1);
-}
-
-.grid-action-btn.delete {
-    color: #dc3545;
-}
-
-.grid-action-btn.delete:hover {
-    background-color: rgba(220, 53, 69, 0.1);
-}
-
-/* Toggle visibility based on data-view on root */
-:root[data-view="grid"] .files-table {
-    display: none;
-}
-
-:root[data-view="grid"] .grid-container {
-    display: grid;
-}
-
-.files-table {
-    width: 100%;
-    border-collapse: collapse;
-    margin-top: 20px;
-}
-
-.checkbox-col {
-    width: 48px;
-    text-align: center;
-}
-
-.checkbox-col input {
-    transform: scale(1.05);
-    accent-color: var(--link-color);
-}
-
-.files-table th,
-.files-table td {
-    padding: 12px;
-    text-align: left;
-    border-bottom: 1px solid var(--border-color);
-}
-
-.files-table th {
-    background-color: var(--hover-bg);
-    color: var(--text-color);
-    font-weight: 600;
-}
-
-.files-table tr:hover {
-    background-color: var(--hover-bg);
-}
-
-.file-name-col {
-    cursor: pointer;
-    user-select: none;
-}
-
-.file-name-col:hover {
-    background-color: var(--hover-bg);
-}
-
-.file-icon {
-    margin-right: 8px;
-    pointer-events: none;
-}
-
-.folder {
-    color: var(--folder-color);
-}
-
-.file {
-    color: var(--file-color);
-}
-
-a {
-    color: var(--link-color);
-    text-decoration: none;
-}
-
-a:hover {
-    text-decoration: underline;
-}
-
-.file-size {
-    color: var(--secondary-text);
-    font-size: 0.9em;
-}
-
-.last-modified {
-    color: var(--secondary-text);
-    font-size: 0.9em;
-}
-
-.empty-message {
-    text-align: center;
-    padding: 40px;
-    color: var(--secondary-text);
-}
-
-.breadcrumb {
-    margin-bottom: 12px;
-    font-size: 0.95em;
-    color: var(--secondary-text);
-    background-color: var(--container-bg);
-    padding: 8px 12px;
-    border-radius: 4px;
-}
-
-/* 页脚样式 */
-.site-footer {
-    margin-top: 20px;
-    text-align: center;
-    color: var(--secondary-text);
-    font-size: 0.9em;
-    padding: 14px 12px;
-}
-
-.site-footer a {
-    color: var(--link-color);
-    text-decoration: none;
-    margin: 0 6px;
-}
-
-.site-footer a:hover {
-    text-decoration: underline;
-}
-
-@media (max-width: 600px) {
-    .site-footer {
-        font-size: 0.85em;
-        padding: 12px 8px;
-    }
-}
-
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-.preview-btn {
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-video.preview-content {
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-/* 音频预览样式 */
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-[data-theme="dark"] .preview-text {
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-/* 不支持预览的文件样式 */
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-
-@media (max-width: 768px) {
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-
-    .preview-controls {
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-    }
-
-    .preview-btn {
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-        font-size: 1em;
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-
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-    }
-
-    .preview-text {
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-
-    .files-table .action-link {
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-        font-size: 1.1em;
-    }
-
-    .files-table td,
-    .files-table th {
-        padding: 8px 4px;
-    }
-}
-
-/* 上传进度提示 */
-.upload-status {
-    padding: 10px;
-    border-radius: 4px;
-    margin-bottom: 10px;
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-
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-
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-}
-
-/* 自定义对话框样式 */
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-}
-
-.app-dialog {
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-
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-
-.app-dialog__message {
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-
-.app-dialog__input {
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-}
-
-.app-dialog__input input {
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-    padding: 10px 12px;
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-    background-color: var(--container-bg);
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-
-.app-dialog__input input::placeholder {
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-
-.app-dialog__input input:focus {
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-    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.15);
-}
-
-.app-dialog__actions {
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-}
-
-.app-dialog__btn {
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-    border-radius: 6px;
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-
-.app-dialog__btn:hover {
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-.app-dialog__cancel {
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-.app-dialog__confirm {
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-.app-dialog__confirm:hover {
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-
-@media (max-width: 480px) {
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-.action-link:hover,
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-}
-
-#deleteTrigger,
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-}
-
-#deleteTrigger:hover,
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-
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-}
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-}
-
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-@media (max-width: 1200px) {
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-        display: none;
-    }
-    .files-table .action-link {
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-    }
-}
-
-@media (max-width: 992px) {
-    .last-modified-col {
-        display: none !important;
-    }
-    .file-name-col {
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-    }
-}
-
-@media (max-width: 768px) {
-    .file-size-col {
-        display: none !important;
-    }
-    .file-name-col {
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-    }
-    
-    .files-table .action-text {
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-    }
-
-    .files-table .action-link,
-    .files-table button.action-link {
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-        font-size: 1em;
-        margin-left: 2px;
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-
-    .files-table td,
-    .files-table th {
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-    }
-    
-    .actions-col > * {
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-        gap: 2px;
-    }
-}
-
-@media (max-width: 480px) {
-    body {
-        padding: 10px;
-    }
-    
-    .container {
-        padding: 12px;
-        width: calc(100% - 20px);
-    }
-    
-    h1 {
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-        padding-bottom: 8px;
-        justify-content: flex-start;
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-    
-    h1 > div {
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-    
-    .files-table td,
-    .files-table th {
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-        font-size: 0.9em;
-    }
-    
-    .checkbox-col {
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-    }
-    
-    .file-name-col {
-        max-width: 120px;
-        font-size: 0.85em;
-    }
-    
-    .files-table .action-link,
-    .files-table button.action-link {
-        padding: 4px;
-        font-size: 0.9em;
-        margin-left: 1px;
-    }
-    
-    .actions-col > * {
-        margin-left: 1px;
-        gap: 1px;
-    }
-}
-        font-size: 1.1em;
-    }
-
-    .files-table td,
-    .files-table th {
-        padding: 8px 4px;
-    }
-}

static/css/modals.css

@@ -0,0 +1,339 @@
+/**
+ * 预览模态框和对话框样式
+ */
+
+/* 预览模态框 */
+.preview-modal {
+    display: none;
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.9);
+    z-index: 1000;
+    opacity: 0;
+    transition: opacity 0.3s ease;
+}
+
+.preview-modal.show {
+    display: flex;
+    opacity: 1;
+    justify-content: center;
+    align-items: center;
+}
+
+.preview-container {
+    position: relative;
+    max-width: 90%;
+    max-height: 90%;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+}
+
+.preview-content {
+    max-width: 100%;
+    max-height: 85vh;
+    object-fit: contain;
+    border-radius: 8px;
+    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
+}
+
+video.preview-content {
+    background-color: #000;
+}
+
+.preview-controls {
+    position: absolute;
+    top: 20px;
+    right: 20px;
+    display: flex;
+    gap: 10px;
+    z-index: 1001;
+}
+
+.preview-btn {
+    background-color: rgba(255, 255, 255, 0.9);
+    border: none;
+    color: #333;
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    cursor: pointer;
+    font-size: 1.2em;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: all 0.2s ease;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
+}
+
+.preview-btn:hover {
+    background-color: white;
+    transform: scale(1.1);
+}
+
+.preview-info {
+    margin-top: 15px;
+    color: white;
+    text-align: center;
+    font-size: 0.95em;
+    background-color: rgba(0, 0, 0, 0.7);
+    padding: 10px 20px;
+    border-radius: 20px;
+    max-width: 80%;
+    word-break: break-all;
+}
+
+.preview-loading {
+    color: white;
+    font-size: 1.2em;
+    text-align: center;
+}
+
+.preview-error {
+    color: #ff6b6b;
+    font-size: 1.1em;
+    text-align: center;
+    padding: 20px;
+    background-color: rgba(255, 255, 255, 0.1);
+    border-radius: 8px;
+}
+
+/* 音频预览样式 */
+.preview-audio-wrapper {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    padding: 40px;
+    background-color: rgba(0, 0, 0, 0.5);
+    border-radius: 12px;
+    min-width: 400px;
+}
+
+.preview-audio {
+    width: 100%;
+    max-width: 500px;
+    margin-top: 20px;
+}
+
+/* 文本预览样式 */
+.preview-text {
+    background-color: rgba(255, 255, 255, 0.95);
+    color: #2c3e50;
+    padding: 20px;
+    border-radius: 8px;
+    max-width: 90vw;
+    max-height: 85vh;
+    overflow: auto;
+    font-family: "Courier New", Courier, monospace;
+    font-size: 14px;
+    line-height: 1.6;
+    white-space: pre-wrap;
+    word-wrap: break-word;
+    margin: 0;
+}
+
+[data-theme="dark"] .preview-text {
+    background-color: rgba(45, 45, 45, 0.95);
+    color: #e1e1e1;
+}
+
+/* 不支持预览的文件样式 */
+.preview-unsupported {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    padding: 60px 40px;
+    background-color: rgba(0, 0, 0, 0.7);
+    border-radius: 12px;
+    color: white;
+    text-align: center;
+    min-width: 400px;
+}
+
+.preview-unsupported p {
+    margin: 0;
+}
+
+.preview-unsupported .action-link {
+    background-color: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.3);
+    color: white;
+}
+
+.preview-unsupported .action-link:hover {
+    background-color: rgba(255, 255, 255, 0.2);
+    border-color: rgba(255, 255, 255, 0.5);
+}
+
+@media (max-width: 768px) {
+    .preview-container {
+        max-width: 95%;
+    }
+
+    .preview-controls {
+        top: 10px;
+        right: 10px;
+    }
+
+    .preview-btn {
+        width: 35px;
+        height: 35px;
+        font-size: 1em;
+    }
+
+    .preview-info {
+        font-size: 0.85em;
+        padding: 8px 15px;
+    }
+
+    .preview-audio-wrapper {
+        min-width: 300px;
+        padding: 30px 20px;
+    }
+
+    .preview-unsupported {
+        min-width: 300px;
+        padding: 40px 20px;
+    }
+
+    .preview-text {
+        font-size: 12px;
+        padding: 15px;
+    }
+}
+
+/* 自定义对话框 */
+.app-dialog[hidden] {
+    display: none;
+}
+
+.app-dialog {
+    position: fixed;
+    inset: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background-color: rgba(0, 0, 0, 0.35);
+    backdrop-filter: blur(2px);
+    z-index: 1100;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.2s ease;
+}
+
+.app-dialog.is-visible {
+    opacity: 1;
+    pointer-events: auto;
+}
+
+.app-dialog__backdrop {
+    position: absolute;
+    inset: 0;
+}
+
+.app-dialog__panel {
+    position: relative;
+    background-color: var(--container-bg);
+    color: var(--text-color);
+    border-radius: 12px;
+    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
+    padding: 24px;
+    min-width: 320px;
+    max-width: min(420px, 90vw);
+    transform: translateY(20px);
+    transition: transform 0.2s ease;
+}
+
+.app-dialog.is-visible .app-dialog__panel {
+    transform: translateY(0);
+}
+
+.app-dialog__title {
+    margin: 0 0 12px;
+    font-size: 1.15em;
+    font-weight: 600;
+}
+
+.app-dialog__message {
+    margin-bottom: 18px;
+    line-height: 1.5;
+    color: var(--text-color);
+    word-break: break-word;
+}
+
+.app-dialog__input {
+    margin-bottom: 18px;
+    display: block;
+    width: 100%;
+}
+
+.app-dialog__input input {
+    width: 100%;
+    padding: 10px 12px;
+    border-radius: 6px;
+    border: 1px solid var(--border-color);
+    background-color: var(--container-bg);
+    color: var(--text-color);
+    font-size: 0.95em;
+    box-sizing: border-box;
+    font-family: inherit;
+}
+
+.app-dialog__input input::placeholder {
+    color: var(--secondary-text);
+}
+
+.app-dialog__input input:focus {
+    outline: none;
+    border-color: var(--link-color);
+    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.15);
+}
+
+.app-dialog__actions {
+    display: flex;
+    justify-content: flex-end;
+    gap: 10px;
+}
+
+.app-dialog__btn {
+    padding: 8px 16px;
+    border-radius: 6px;
+    border: none;
+    cursor: pointer;
+    font-size: 0.95em;
+    transition: transform 0.15s ease, background-color 0.2s ease;
+}
+
+.app-dialog__btn:hover {
+    transform: translateY(-1px);
+}
+
+.app-dialog__cancel {
+    background-color: var(--hover-bg);
+    color: var(--secondary-text);
+}
+
+.app-dialog__cancel:hover {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.app-dialog__confirm {
+    background-color: var(--danger-color);
+    color: #fff;
+}
+
+.app-dialog__confirm:hover {
+    background-color: var(--danger-hover-color);
+}
+
+@media (max-width: 480px) {
+    .app-dialog__panel {
+        width: calc(100vw - 40px);
+        padding: 20px;
+    }
+}

static/css/table.css

@@ -0,0 +1,197 @@
+/**
+ * 表格和列表视图样式
+ */
+
+.files-table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 20px;
+}
+
+.checkbox-col {
+    width: 48px;
+    text-align: center;
+}
+
+.checkbox-col input {
+    transform: scale(1.05);
+    accent-color: var(--link-color);
+}
+
+.files-table th,
+.files-table td {
+    padding: 12px;
+    text-align: left;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.files-table th {
+    background-color: var(--hover-bg);
+    color: var(--text-color);
+    font-weight: 600;
+}
+
+.files-table tr:hover {
+    background-color: var(--hover-bg);
+}
+
+.file-name-col {
+    width: auto;
+    max-width: 300px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    cursor: pointer;
+    user-select: none;
+}
+
+.file-name-col a {
+    display: inline-block;
+    max-width: calc(100% - 30px);
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    vertical-align: middle;
+}
+
+.file-name-col:hover {
+    background-color: var(--hover-bg);
+}
+
+.file-icon {
+    margin-right: 8px;
+    pointer-events: none;
+}
+
+.folder {
+    color: var(--folder-color);
+}
+
+.file {
+    color: var(--file-color);
+}
+
+.file-size {
+    color: var(--secondary-text);
+    font-size: 0.9em;
+}
+
+.file-size-col {
+    width: 100px;
+    min-width: 100px;
+    white-space: nowrap;
+}
+
+.last-modified {
+    color: var(--secondary-text);
+    font-size: 0.9em;
+}
+
+.last-modified-col {
+    width: 180px;
+    min-width: 180px;
+    white-space: nowrap;
+}
+
+.actions-col {
+    white-space: nowrap;
+}
+
+.actions-col > * {
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+    margin-left: 4px;
+}
+
+.breadcrumb {
+    margin-bottom: 12px;
+    font-size: 0.95em;
+    color: var(--secondary-text);
+    background-color: var(--container-bg);
+    padding: 8px 12px;
+    border-radius: 4px;
+}
+
+.empty-message {
+    text-align: center;
+    padding: 40px;
+    color: var(--secondary-text);
+}
+
+@media (max-width: 1200px) {
+    .files-table .action-text {
+        display: none;
+    }
+    .files-table .action-link {
+        padding: 6px 8px;
+    }
+}
+
+@media (max-width: 992px) {
+    .last-modified-col {
+        display: none !important;
+    }
+    .file-name-col {
+        max-width: 200px;
+    }
+}
+
+@media (max-width: 768px) {
+    .file-size-col {
+        display: none !important;
+    }
+    .file-name-col {
+        max-width: 150px;
+    }
+
+    .files-table .action-text {
+        display: none;
+    }
+
+    .files-table .action-link,
+    .files-table button.action-link {
+        padding: 6px;
+        font-size: 1em;
+        margin-left: 2px;
+    }
+
+    .files-table td,
+    .files-table th {
+        padding: 8px 4px;
+    }
+
+    .actions-col > * {
+        margin-left: 2px;
+        gap: 2px;
+    }
+}
+
+@media (max-width: 480px) {
+    .files-table td,
+    .files-table th {
+        padding: 6px 2px;
+        font-size: 0.9em;
+    }
+
+    .checkbox-col {
+        width: 30px;
+    }
+
+    .file-name-col {
+        max-width: 120px;
+        font-size: 0.85em;
+    }
+
+    .files-table .action-link,
+    .files-table button.action-link {
+        padding: 4px;
+        font-size: 0.9em;
+        margin-left: 1px;
+    }
+
+    .actions-col > * {
+        margin-left: 1px;
+        gap: 1px;
+    }
+}

static/css/utilities.css

@@ -0,0 +1,85 @@
+/**
+ * 状态消息和其他实用样式
+ */
+
+/* 上传进度提示 */
+.upload-status {
+    padding: 10px;
+    border-radius: 4px;
+    margin-bottom: 10px;
+    display: none;
+}
+
+.upload-status.success {
+    background-color: #d4edda;
+    color: #155724;
+    border: 1px solid #c3e6cb;
+    display: block;
+}
+
+.upload-status.error {
+    background-color: #f8d7da;
+    color: #721c24;
+    border: 1px solid #f5c6cb;
+    display: block;
+}
+
+/* 页脚样式 */
+.site-footer {
+    margin-top: 20px;
+    text-align: center;
+    color: var(--secondary-text);
+    font-size: 0.9em;
+    padding: 14px 12px;
+}
+
+.site-footer a {
+    color: var(--link-color);
+    text-decoration: none;
+    margin: 0 6px;
+}
+
+.site-footer a:hover {
+    text-decoration: underline;
+}
+
+/* 上传输入框 */
+.upload-input {
+    display: none;
+}
+
+/* 禁用状态 */
+.is-disabled {
+    opacity: 0.6;
+    cursor: not-allowed !important;
+    pointer-events: none;
+}
+
+@media (max-width: 600px) {
+    .site-footer {
+        font-size: 0.85em;
+        padding: 12px 8px;
+    }
+}
+
+@media (max-width: 480px) {
+    body {
+        padding: 10px;
+    }
+
+    .container {
+        padding: 12px;
+        width: calc(100% - 20px);
+    }
+
+    h1 {
+        margin-bottom: 20px;
+        padding-bottom: 8px;
+        justify-content: flex-start;
+    }
+
+    h1 > div {
+        width: 100%;
+        justify-content: flex-start;
+    }
+}

static/css/variables.css

@@ -0,0 +1,95 @@
+/**
+ * CSS 变量和主题定义
+ */
+
+:root {
+    --bg-color: #f5f5f5;
+    --container-bg: white;
+    --text-color: #2c3e50;
+    --border-color: #eee;
+    --hover-bg: #f8f9fa;
+    --secondary-text: #6c757d;
+    --link-color: #007bff;
+    --folder-color: #ffc107;
+    --file-color: #6c757d;
+    --shadow-color: rgba(0, 0, 0, 0.1);
+    --icon-bg: #f0f0f0;
+    --danger-color: #dc3545;
+    --danger-hover-color: #a0202d;
+    --warning-color: #ffc107;
+    --warning-hover-color: #e0a800;
+    --success-color: #28a745;
+}
+
+[data-theme="dark"] {
+    --bg-color: #1a1a1a;
+    --container-bg: #2d2d2d;
+    --text-color: #e1e1e1;
+    --border-color: #404040;
+    --hover-bg: #363636;
+    --secondary-text: #a0a0a0;
+    --link-color: #66b3ff;
+    --folder-color: #ffd54f;
+    --file-color: #b0b0b0;
+    --shadow-color: rgba(0, 0, 0, 0.3);
+    --icon-bg: #3a3a3a;
+}
+
+/**
+ * 基础样式
+ */
+
+* {
+    box-sizing: border-box;
+}
+
+html,
+body {
+    height: 100%;
+}
+
+body {
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+    padding: 20px;
+    background-color: var(--bg-color);
+    color: var(--text-color);
+    transition: background-color 0.3s ease, color 0.3s ease;
+    margin: 0;
+}
+
+.container {
+    background-color: var(--container-bg);
+    border-radius: 8px;
+    box-shadow: 0 2px 4px var(--shadow-color);
+    padding: 20px;
+    width: calc(100% - 40px);
+    max-width: 1200px;
+    margin: 0 auto;
+}
+
+h1 {
+    color: var(--text-color);
+    margin-bottom: 30px;
+    border-bottom: 2px solid var(--border-color);
+    padding-bottom: 10px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    flex-wrap: wrap;
+    gap: 10px;
+}
+
+h1 > div {
+    display: flex;
+    gap: 8px;
+    align-items: center;
+}
+
+a {
+    color: var(--link-color);
+    text-decoration: none;
+}
+
+a:hover {
+    text-decoration: underline;
+}

static/js/dialog.js

@@ -0,0 +1,235 @@
+/**
+ * 对话框（Dialog）相关功能
+ * 包括确认、输入、提示等对话框
+ */
+
+const dialogState = {
+    container: null,
+    title: null,
+    message: null,
+    inputWrapper: null,
+    input: null,
+    confirmBtn: null,
+    cancelBtn: null,
+    resolve: null,
+    options: null,
+    previousActiveElement: null,
+};
+
+/**
+ * 检查对话框是否打开
+ * @returns {boolean}
+ */
+function isDialogOpen() {
+    return Boolean(dialogState.container && !dialogState.container.hasAttribute("hidden"));
+}
+
+/**
+ * 关闭对话框
+ * @param {boolean} confirmed - 是否确认
+ */
+function closeDialog(confirmed) {
+    if (!dialogState.resolve || !dialogState.container) {
+        return;
+    }
+
+    const showInput = dialogState.options?.showInput;
+    const value = confirmed && showInput && dialogState.input ? dialogState.input.value : undefined;
+
+    dialogState.container.classList.remove("is-visible");
+    dialogState.container.setAttribute("aria-hidden", "true");
+
+    window.setTimeout(() => {
+        if (!dialogState.container.classList.contains("is-visible")) {
+            dialogState.container.setAttribute("hidden", "");
+        }
+    }, 200);
+
+    if (dialogState.inputWrapper) {
+        dialogState.inputWrapper.hidden = true;
+    }
+
+    const resolve = dialogState.resolve;
+    dialogState.resolve = null;
+    const options = dialogState.options || {};
+    dialogState.options = null;
+
+    if (dialogState.previousActiveElement && typeof dialogState.previousActiveElement.focus === "function") {
+        dialogState.previousActiveElement.focus({ preventScroll: true });
+    }
+    dialogState.previousActiveElement = null;
+
+    resolve({
+        confirmed,
+        value: value !== undefined ? value : undefined,
+        options,
+    });
+}
+
+/**
+ * 打开对话框
+ * @param {object} options - 对话框选项
+ * @returns {Promise}
+ */
+function openDialog(options) {
+    if (!dialogState.container) {
+        return Promise.resolve({ confirmed: false });
+    }
+
+    return new Promise((resolve) => {
+        dialogState.resolve = resolve;
+        dialogState.options = options;
+        dialogState.previousActiveElement =
+            document.activeElement instanceof HTMLElement ? document.activeElement : null;
+
+        dialogState.container.removeAttribute("hidden");
+        dialogState.container.setAttribute("aria-hidden", "false");
+
+        if (dialogState.title) {
+            dialogState.title.textContent = options.title || "";
+            dialogState.title.hidden = !options.title;
+        }
+
+        if (dialogState.message) {
+            dialogState.message.textContent = options.message || "";
+        }
+
+        if (dialogState.inputWrapper && dialogState.input) {
+            dialogState.inputWrapper.hidden = !options.showInput;
+            dialogState.input.value = options.defaultValue || "";
+            dialogState.input.placeholder = options.placeholder || "";
+        }
+
+        if (dialogState.confirmBtn) {
+            dialogState.confirmBtn.textContent = options.confirmLabel || "确定";
+        }
+
+        if (dialogState.cancelBtn) {
+            dialogState.cancelBtn.textContent = options.cancelLabel || "取消";
+            dialogState.cancelBtn.hidden = options.hideCancel || false;
+        }
+
+        window.requestAnimationFrame(() => {
+            if (!dialogState.container) {
+                return;
+            }
+            dialogState.container.classList.add("is-visible");
+
+            if (options.showInput && dialogState.input) {
+                dialogState.input.focus();
+                dialogState.input.select();
+            } else if (dialogState.confirmBtn) {
+                dialogState.confirmBtn.focus();
+            }
+        });
+    });
+}
+
+/**
+ * 初始化对话框
+ */
+function initDialog() {
+    const container = document.getElementById("appDialog");
+    if (!container || container.dataset.initialized === "true") {
+        return;
+    }
+
+    container.dataset.initialized = "true";
+    dialogState.container = container;
+    dialogState.title = document.getElementById("appDialogTitle");
+    dialogState.message = document.getElementById("appDialogMessage");
+    dialogState.inputWrapper = document.getElementById("appDialogInputWrapper");
+    dialogState.input = document.getElementById("appDialogInput");
+    dialogState.confirmBtn = document.getElementById("appDialogConfirm");
+    dialogState.cancelBtn = document.getElementById("appDialogCancel");
+
+    if (dialogState.confirmBtn) {
+        dialogState.confirmBtn.addEventListener("click", () => closeDialog(true));
+    }
+
+    if (dialogState.cancelBtn) {
+        dialogState.cancelBtn.addEventListener("click", () => closeDialog(false));
+    }
+
+    container.addEventListener("click", (event) => {
+        if (
+            event.target === container ||
+            (event.target instanceof HTMLElement && event.target.dataset.dialogDismiss === "true")
+        ) {
+            closeDialog(false);
+        }
+    });
+
+    document.addEventListener("keydown", (event) => {
+        if (!isDialogOpen()) {
+            return;
+        }
+
+        if (event.key === "Escape") {
+            event.preventDefault();
+            closeDialog(false);
+            return;
+        }
+
+        if (event.key === "Enter" && dialogState.options?.showInput) {
+            const active = document.activeElement;
+            if (active === dialogState.input) {
+                event.preventDefault();
+                closeDialog(true);
+            }
+        }
+    });
+}
+
+/**
+ * 显示确认对话框
+ * @param {string} message - 消息
+ * @param {object} options - 选项
+ * @returns {Promise<boolean>}
+ */
+function showConfirm(message, options = {}) {
+    return openDialog({
+        title: options.title || "确认操作",
+        message,
+        confirmLabel: options.confirmLabel || "确定",
+        cancelLabel: options.cancelLabel || "取消",
+        hideCancel: options.hideCancel || false,
+    }).then((result) => Boolean(result.confirmed));
+}
+
+/**
+ * 显示输入对话框
+ * @param {string} message - 消息
+ * @param {object} options - 选项
+ * @returns {Promise<string|null>}
+ */
+async function showPrompt(message, options = {}) {
+    const result = await openDialog({
+        title: options.title || "请输入内容",
+        message,
+        confirmLabel: options.confirmLabel || "确定",
+        cancelLabel: options.cancelLabel || "取消",
+        showInput: true,
+        defaultValue: options.defaultValue || "",
+        placeholder: options.placeholder || "",
+    });
+
+    if (!result.confirmed) {
+        return null;
+    }
+
+    const value = typeof result.value === "string" ? result.value.trim() : "";
+    return value === "" ? null : value;
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.DialogUtils = {
+    isDialogOpen,
+    closeDialog,
+    openDialog,
+    initDialog,
+    showConfirm,
+    showPrompt,
+};

static/js/download.js

@@ -0,0 +1,32 @@
+/**
+ * 下载按钮事件处理
+ */
+
+/**
+ * 绑定下载按钮监听器
+ */
+function attachDownloadButtonListeners() {
+    const downloadButtons = document.querySelectorAll("[data-download-key]");
+    downloadButtons.forEach((button) => {
+        if (!button.dataset.listenerAttached) {
+            button.addEventListener("click", () => {
+                const key = button.dataset.downloadKey;
+                const name = button.dataset.downloadName;
+                // 对路径分段编码，保留路径分隔符，避免 # ? 等字符破坏 URL
+                const encoded = key
+                    .split("/")
+                    .map((seg) => encodeURIComponent(seg))
+                    .join("/");
+                downloadFile(`/download/${encoded}`, name);
+            });
+            button.dataset.listenerAttached = "true";
+        }
+    });
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.DownloadUtils = {
+    attachDownloadButtonListeners,
+};

static/js/file-operations.js

@@ -0,0 +1,444 @@
+/**
+ * 文件操作相关功能
+ * 包括上传、下载、删除、重命名等
+ */
+
+/**
+ * 上传文件
+ * @param {FileList} files - 文件列表
+ */
+async function uploadFiles(files) {
+    const currentPrefix = document.body.dataset.currentPrefix || "";
+
+    for (const file of files) {
+        const formData = new FormData();
+        formData.append("file", file);
+        formData.append("prefix", currentPrefix);
+
+        try {
+            updateStatus(`正在上传: ${file.name}...`, null);
+
+            const response = await fetch("/upload", {
+                method: "POST",
+                body: formData,
+            });
+
+            const result = await response.json();
+
+            if (result.success) {
+                const statusDiv = updateStatus(`✓ ${file.name} 上传成功！`, "success");
+                hideStatusLater(statusDiv);
+
+                setTimeout(() => {
+                    window.location.reload();
+                }, 2000);
+            } else {
+                updateStatus(`✗ ${file.name} 上传失败: ${result.error}`, "error");
+            }
+        } catch (error) {
+            updateStatus(`✗ ${file.name} 上传失败: ${error.message}`, "error");
+        }
+    }
+}
+
+/**
+ * 新建文件夹（弹出输入框并调用后端创建）
+ */
+async function promptCreateFolder() {
+    const currentPrefix = document.body.dataset.currentPrefix || "";
+    const name = await showPrompt("请输入新文件夹名称：", {
+        title: "新建文件夹",
+        confirmLabel: "创建",
+        placeholder: "例如：photos 或 nested/folder",
+    });
+
+    if (!name) return;
+
+    // 规范化路径：允许嵌套，移除多余斜杠
+    let normalized = name.trim().replace(/\\/g, "/");
+    normalized = normalized.replace(/^\/+|\/+$/g, "");
+    if (!normalized) {
+        updateStatus("✗ 文件夹名称不能为空", "error");
+        return;
+    }
+
+    const fullPath = (currentPrefix || "") + normalized + "/";
+    updateStatus(`正在创建文件夹: ${fullPath}...`, null);
+
+    try {
+        const response = await fetch("/create_folder", {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({ path: fullPath }),
+        });
+
+        const result = await response.json();
+        if (result.success) {
+            const statusDiv = updateStatus("✓ 文件夹创建成功！", "success");
+            hideStatusLater(statusDiv);
+            setTimeout(() => {
+                // 进入新建的文件夹
+                window.location.href = `/${(currentPrefix + normalized).replace(/\/+$/, "")}`;
+            }, 1200);
+        } else {
+            updateStatus(`✗ 创建失败: ${result.error}`, "error");
+        }
+    } catch (error) {
+        updateStatus(`✗ 创建失败: ${error.message}`, "error");
+    }
+}
+
+/**
+ * 提示删除文件
+ */
+async function promptDelete() {
+    const suggested = "";
+    const path = await showPrompt("请输入要删除的文件路径（相对于存储桶），例如：folder/file.jpg", {
+        title: "删除文件",
+        defaultValue: suggested,
+        placeholder: "folder/file.jpg",
+        confirmLabel: "删除",
+    });
+
+    if (path) {
+        await deleteFile(path);
+    }
+}
+
+/**
+ * 删除文件夹
+ * @param {string} prefix - 文件夹前缀
+ */
+async function deleteFolder(prefix) {
+    const confirmed = await showConfirm(`确定要删除文件夹 "${prefix}" 及其所有内容吗？此操作不可逆！`, {
+        title: "删除文件夹",
+        confirmLabel: "确认删除",
+    });
+
+    if (!confirmed) {
+        return;
+    }
+
+    updateStatus(`正在删除文件夹: ${prefix}...`, null);
+
+    try {
+        const response = await fetch(`/delete_folder/${prefix}`, {
+            method: "DELETE",
+        });
+
+        const result = await response.json();
+
+        if (result.success) {
+            const statusDiv = updateStatus("✓ 文件夹删除成功！", "success");
+            hideStatusLater(statusDiv);
+
+            setTimeout(() => {
+                const parentPath = prefix.split("/").slice(0, -2).join("/");
+                window.location.href = parentPath ? `/${parentPath}` : "/";
+            }, 1500);
+        } else {
+            updateStatus(`✗ 删除失败: ${result.error}`, "error");
+        }
+    } catch (error) {
+        updateStatus(`✗ 删除失败: ${error.message}`, "error");
+    }
+}
+
+/**
+ * 删除单个文件
+ * @param {string} filePath - 文件路径
+ * @param {object} options - 选项
+ * @returns {Promise<boolean>}
+ */
+async function deleteFile(filePath, options = {}) {
+    const { skipConfirm = false, suppressReload = false, suppressStatus = false } = options;
+
+    if (!skipConfirm) {
+        const confirmed = await showConfirm(`确定要删除 "${filePath}" 吗？`, {
+            title: "删除文件",
+            confirmLabel: "删除",
+        });
+
+        if (!confirmed) {
+            return false;
+        }
+    }
+
+    if (!suppressStatus) {
+        updateStatus(`正在删除: ${filePath}...`, null);
+    }
+
+    try {
+        const response = await fetch(`/delete/${filePath}`, {
+            method: "DELETE",
+        });
+
+        const result = await response.json();
+
+        if (result.success) {
+            if (!suppressStatus) {
+                const statusDiv = updateStatus("✓ 文件删除成功！", "success");
+                hideStatusLater(statusDiv);
+            }
+
+            if (!suppressReload) {
+                setTimeout(() => {
+                    window.location.reload();
+                }, 2000);
+            }
+
+            return true;
+        }
+
+        if (!suppressStatus) {
+            updateStatus(`✗ 删除失败: ${result.error}`, "error");
+        }
+        return false;
+    } catch (error) {
+        if (!suppressStatus) {
+            updateStatus(`✗ 删除失败: ${error.message}`, "error");
+        }
+        return false;
+    }
+}
+
+/**
+ * 下载文件
+ * @param {string} url - 下载 URL
+ * @param {string} filename - 文件名
+ */
+function downloadFile(url, filename) {
+    if (!url) {
+        updateStatus("✗ 无法下载：缺少下载链接", "error");
+        return;
+    }
+
+    if (url.startsWith("/download/") || url.startsWith("/file/")) {
+        // 让浏览器原生跟随服务器重定向（OneDrive 直链/共享链接），避免 fetch 对 3xx 的处理差异
+        const link = document.createElement("a");
+        link.href = url;
+        link.target = "_blank";
+        link.rel = "noopener";
+
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+
+        const statusDiv = updateStatus(`✓ 开始下载: ${filename || ""}`, "success");
+        hideStatusLater(statusDiv);
+    } else {
+        const link = document.createElement("a");
+        link.href = url;
+        link.download = filename || "";
+        link.target = "_blank";
+        link.rel = "noopener";
+
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+
+        const statusDiv = updateStatus(`✓ 开始下载: ${filename || ""}`, "success");
+        hideStatusLater(statusDiv);
+    }
+}
+
+/**
+ * 重命名文件
+ * @param {string} oldKey - 旧的文件键
+ * @param {string} newName - 新名称
+ */
+async function renameFile(oldKey, newName) {
+    updateStatus(`正在重命名: ${oldKey}...`, null);
+
+    try {
+        const response = await fetch(`/rename/${oldKey}`, {
+            method: "POST",
+            headers: {
+                "Content-Type": "application/json",
+            },
+            body: JSON.stringify({ newName: newName }),
+        });
+
+        const result = await response.json();
+
+        if (result.success) {
+            const statusDiv = updateStatus("✓ 文件重命名成功！", "success");
+            hideStatusLater(statusDiv);
+
+            setTimeout(() => {
+                window.location.reload();
+            }, 1500);
+        } else {
+            updateStatus(`✗ 重命名失败: ${result.error}`, "error");
+        }
+    } catch (error) {
+        updateStatus(`✗ 重命名失败: ${error.message}`, "error");
+    }
+}
+
+/**
+ * 重命名文件夹
+ * @param {string} oldPrefix - 旧的文件夹前缀
+ * @param {string} newName - 新名称
+ */
+async function renameFolder(oldPrefix, newName) {
+    updateStatus(`正在重命名文件夹: ${oldPrefix}...`, null);
+
+    try {
+        const response = await fetch(`/rename_folder/${oldPrefix}`, {
+            method: "POST",
+            headers: {
+                "Content-Type": "application/json",
+            },
+            body: JSON.stringify({ newName: newName }),
+        });
+
+        const result = await response.json();
+
+        if (result.success) {
+            const statusDiv = updateStatus("✓ 文件夹重命名成功！", "success");
+            hideStatusLater(statusDiv);
+
+            setTimeout(() => {
+                window.location.reload();
+            }, 1500);
+        } else {
+            updateStatus(`✗ 重命名失败: ${result.error}`, "error");
+        }
+    } catch (error) {
+        updateStatus(`✗ 重命名失败: ${error.message}`, "error");
+    }
+}
+
+/**
+ * 提示重命名
+ * @param {string} oldKey - 旧键
+ * @param {string} oldName - 旧名称
+ * @param {boolean} isFolder - 是否是文件夹
+ */
+async function promptRename(oldKey, oldName, isFolder = false) {
+    const title = isFolder ? "重命名文件夹" : "重命名文件";
+    const newName = await showPrompt(`请输入新的名称：`, {
+        title: title,
+        defaultValue: oldName,
+        confirmLabel: "重命名",
+    });
+
+    if (newName && newName !== oldName) {
+        if (isFolder) {
+            await renameFolder(oldKey, newName);
+        } else {
+            await renameFile(oldKey, newName);
+        }
+    }
+}
+
+/**
+ * 复制项目
+ * @param {string} source - 源路径
+ * @param {string} destination - 目标路径
+ * @param {boolean} isFolder - 是否是文件夹
+ */
+async function copyItem(source, destination, isFolder) {
+    updateStatus(`正在复制...`, null);
+    await performOperation("/copy", "复制", { source, destination, is_folder: isFolder });
+}
+
+/**
+ * 移动项目
+ * @param {string} source - 源路径
+ * @param {string} destination - 目标路径
+ * @param {boolean} isFolder - 是否是文件夹
+ */
+async function moveItem(source, destination, isFolder) {
+    updateStatus(`正在移动...`, null);
+    await performOperation("/move", "移动", { source, destination, is_folder: isFolder });
+}
+
+/**
+ * 提示复制或移动
+ * @param {string} source - 源路径
+ * @param {boolean} isFolder - 是否是文件夹
+ * @param {string} operation - 操作类型 ('copy' 或 'move')
+ */
+async function promptCopyOrMove(source, isFolder, operation) {
+    const opText = operation === "copy" ? "复制" : "移动";
+    const itemText = isFolder ? "文件夹" : "文件";
+    const dest = await showPrompt(`请输入目标目录路径：`, {
+        title: `${opText}${itemText}`,
+        confirmLabel: opText,
+    });
+
+    if (dest) {
+        let normalizedDest = dest;
+        if (!normalizedDest.endsWith("/")) {
+            normalizedDest += "/";
+        }
+        let name = source
+            .split("/")
+            .filter((p) => p)
+            .pop();
+        if (isFolder) {
+            name += "/";
+        }
+        const fullDest = normalizedDest + name;
+
+        if (operation === "copy") {
+            await copyItem(source, fullDest, isFolder);
+        } else {
+            await moveItem(source, fullDest, isFolder);
+        }
+    }
+}
+
+/**
+ * 执行复制/移动操作
+ * @param {string} endpoint - API 端点
+ * @param {string} opText - 操作文本
+ * @param {object} body - 请求体
+ */
+async function performOperation(endpoint, opText, body) {
+    try {
+        const response = await fetch(endpoint, {
+            method: "POST",
+            headers: {
+                "Content-Type": "application/json",
+            },
+            body: JSON.stringify(body),
+        });
+
+        const result = await response.json();
+
+        if (result.success) {
+            const statusDiv = updateStatus(`✓ ${opText}成功！`, "success");
+            hideStatusLater(statusDiv);
+
+            setTimeout(() => {
+                window.location.reload();
+            }, 1500);
+        } else {
+            updateStatus(`✗ ${opText}失败: ${result.error}`, "error");
+        }
+    } catch (error) {
+        updateStatus(`✗ ${opText}失败: ${error.message}`, "error");
+    }
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.FileOps = {
+    uploadFiles,
+    promptDelete,
+    deleteFolder,
+    deleteFile,
+    downloadFile,
+    renameFile,
+    renameFolder,
+    promptRename,
+    promptCreateFolder,
+    copyItem,
+    moveItem,
+    promptCopyOrMove,
+    performOperation,
+};

static/js/preview.js

@@ -0,0 +1,189 @@
+/**
+ * 文件预览功能
+ * 包括图片、视频、音频、PDF、文本等预览
+ */
+
+/**
+ * 获取文件类型
+ * @param {string} filename - 文件名
+ * @returns {string} 文件类型
+ */
+function getFileType(filename) {
+    const extension = filename.toLowerCase().split(".").pop();
+    const imageExtensions = ["jpg", "jpeg", "png", "gif", "bmp", "webp", "svg", "ico"];
+    const videoExtensions = ["mp4", "webm", "ogg", "mov", "avi", "mkv", "m4v"];
+    const audioExtensions = ["mp3", "wav", "ogg", "m4a", "aac", "flac", "opus", "weba"];
+    const pdfExtensions = ["pdf"];
+    const textExtensions = [
+        "txt",
+        "log",
+        "md",
+        "json",
+        "xml",
+        "csv",
+        "js",
+        "css",
+        "html",
+        "py",
+        "java",
+        "c",
+        "cpp",
+        "h",
+        "hpp",
+        "sh",
+        "bat",
+        "yaml",
+        "yml",
+        "toml",
+        "ini",
+        "conf",
+    ];
+
+    if (imageExtensions.includes(extension)) {
+        return "image";
+    }
+    if (videoExtensions.includes(extension)) {
+        return "video";
+    }
+    if (audioExtensions.includes(extension)) {
+        return "audio";
+    }
+    if (pdfExtensions.includes(extension)) {
+        return "pdf";
+    }
+    if (textExtensions.includes(extension)) {
+        return "text";
+    }
+    return "unsupported";
+}
+
+/**
+ * 关闭预览
+ */
+function closePreview() {
+    const modal = document.getElementById("previewModal");
+    if (modal) {
+        modal.classList.remove("show");
+        document.body.style.overflow = "";
+    }
+}
+
+/**
+ * 打开预览
+ * @param {string} url - 文件 URL
+ * @param {string} filename - 文件名
+ */
+function openPreview(url, filename) {
+    const modal = document.getElementById("previewModal");
+    const container = document.getElementById("previewContainer");
+    const info = document.getElementById("previewInfo");
+
+    if (!modal || !container || !info) {
+        window.open(url, "_blank");
+        return;
+    }
+
+    const fileType = getFileType(filename);
+
+    // 对于不支持预览的文件类型，显示提示信息
+    if (fileType === "unsupported") {
+        container.innerHTML = `
+            <div class="preview-unsupported">
+                <i class="fas fa-file-alt" style="font-size: 64px; color: var(--text-secondary); margin-bottom: 16px;"></i>
+                <p style="font-size: 18px; margin-bottom: 8px;">该文件不支持预览</p>
+                <p style="color: var(--text-secondary); margin-bottom: 24px;">文件名: ${filename}</p>
+                <div style="display: flex; gap: 12px; justify-content: center;">
+                    <button class="action-link" onclick="downloadFile('${url}', '${filename}'); closePreview();" style="padding: 8px 16px;">
+                        <i class="fas fa-download"></i> 下载文件
+                    </button>
+                    <button class="action-link" onclick="window.open('${url}', '_blank'); closePreview();" style="padding: 8px 16px;">
+                        <i class="fas fa-external-link-alt"></i> 新窗口打开
+                    </button>
+                </div>
+            </div>
+        `;
+        info.textContent = filename;
+        modal.classList.add("show");
+        document.body.style.overflow = "hidden";
+        return;
+    }
+
+    container.innerHTML = '<div class="preview-loading">加载中...</div>';
+    info.textContent = filename;
+    modal.classList.add("show");
+    document.body.style.overflow = "hidden";
+
+    setTimeout(() => {
+        if (fileType === "image") {
+            const image = document.createElement("img");
+            image.className = "preview-content";
+            image.src = url;
+            image.alt = filename;
+            image.style.maxWidth = "100%";
+            image.style.maxHeight = "100%";
+            image.onerror = () => {
+                container.innerHTML = '<div class="preview-error">加载失败</div>';
+            };
+            container.innerHTML = "";
+            container.appendChild(image);
+        } else if (fileType === "video") {
+            const video = document.createElement("video");
+            video.className = "preview-content";
+            video.controls = true;
+            video.style.maxWidth = "100%";
+            video.style.maxHeight = "100%";
+            const source = document.createElement("source");
+            source.src = url;
+            source.type = `video/${url.split(".").pop()}`;
+            video.appendChild(source);
+            container.innerHTML = "";
+            container.appendChild(video);
+        } else if (fileType === "audio") {
+            const audio = document.createElement("audio");
+            audio.className = "preview-content";
+            audio.controls = true;
+            audio.style.width = "100%";
+            const source = document.createElement("source");
+            source.src = url;
+            source.type = `audio/${url.split(".").pop()}`;
+            audio.appendChild(source);
+            container.innerHTML = "";
+            container.appendChild(audio);
+        } else if (fileType === "pdf") {
+            container.innerHTML = `
+                <iframe
+                    src="${url}#toolbar=0"
+                    style="width: 100%; height: 100%; border: none;"
+                    title="${filename}"
+                ></iframe>
+            `;
+        } else if (fileType === "text") {
+            fetch(url)
+                .then((response) => response.text())
+                .then((text) => {
+                    const pre = document.createElement("pre");
+                    pre.className = "preview-text";
+                    pre.textContent = text;
+                    pre.style.margin = "0";
+                    pre.style.padding = "16px";
+                    pre.style.overflow = "auto";
+                    pre.style.whiteSpace = "pre-wrap";
+                    pre.style.wordWrap = "break-word";
+                    container.innerHTML = "";
+                    container.appendChild(pre);
+                })
+                .catch(() => {
+                    container.innerHTML = '<div class="preview-error">加载失败</div>';
+                });
+        }
+    }, 100);
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.PreviewUtils = {
+    getFileType,
+    closePreview,
+    openPreview,
+};

static/js/selection.js

@@ -0,0 +1,178 @@
+/**
+ * 文件选择和批量操作相关功能
+ */
+
+/**
+ * 获取所有条目复选框
+ * @returns {NodeListOf<Element>}
+ */
+function getEntryCheckboxes() {
+    return document.querySelectorAll(".entry-checkbox");
+}
+
+/**
+ * 更新全选状态
+ */
+function updateSelectAllState() {
+    const master = document.getElementById("selectAll");
+    if (!master) {
+        return;
+    }
+
+    const checkboxes = Array.from(getEntryCheckboxes());
+    if (checkboxes.length === 0) {
+        master.checked = false;
+        master.indeterminate = false;
+        return;
+    }
+
+    const checkedCount = checkboxes.filter((checkbox) => checkbox.checked).length;
+
+    if (checkedCount === 0) {
+        master.checked = false;
+        master.indeterminate = false;
+    } else if (checkedCount === checkboxes.length) {
+        master.checked = true;
+        master.indeterminate = false;
+    } else {
+        master.checked = false;
+        master.indeterminate = true;
+    }
+}
+
+/**
+ * 切换全选
+ * @param {HTMLInputElement} master - 主复选框
+ */
+function toggleSelectAll(master) {
+    const checkboxes = getEntryCheckboxes();
+    const desiredState = Boolean(master.checked);
+
+    checkboxes.forEach((checkbox) => {
+        checkbox.checked = desiredState;
+    });
+
+    master.indeterminate = false;
+    updateSelectAllState();
+}
+
+/**
+ * 绑定复选框监听器
+ */
+function attachEntryCheckboxListeners() {
+    const master = document.getElementById("selectAll");
+    if (master && !master.dataset.listenerAttached) {
+        master.addEventListener("change", () => toggleSelectAll(master));
+        master.dataset.listenerAttached = "true";
+    }
+
+    getEntryCheckboxes().forEach((checkbox) => {
+        if (!checkbox.dataset.listenerAttached) {
+            checkbox.addEventListener("change", updateSelectAllState);
+            checkbox.dataset.listenerAttached = "true";
+        }
+    });
+
+    updateSelectAllState();
+}
+
+/**
+ * 删除选定的条目
+ */
+async function deleteSelectedEntries() {
+    const selected = Array.from(getEntryCheckboxes()).filter((checkbox) => checkbox.checked);
+
+    if (selected.length === 0) {
+        const statusDiv = updateStatus("✗ 请先选择要删除的项目", "error");
+        hideStatusLater(statusDiv);
+        return;
+    }
+
+    const directories = selected.filter((checkbox) => checkbox.dataset.type === "dir");
+    if (directories.length > 0) {
+        const statusDiv = updateStatus("✗ 暂不支持批量删除文件夹，请仅选择文件", "error");
+        hideStatusLater(statusDiv);
+        return;
+    }
+
+    const files = selected.map((checkbox) => checkbox.value);
+    const confirmMessage =
+        files.length === 1 ? `确定要删除 "${files[0]}" 吗？` : `确定要删除选中的 ${files.length} 个文件吗？`;
+
+    const confirmed = await showConfirm(confirmMessage, {
+        title: "批量删除",
+        confirmLabel: "删除",
+    });
+
+    if (!confirmed) {
+        return;
+    }
+
+    const deleteButton = document.getElementById("deleteTrigger");
+    if (deleteButton) {
+        deleteButton.disabled = true;
+        deleteButton.classList.add("is-disabled");
+    }
+
+    const inProgressStatus = updateStatus(`正在删除 ${files.length} 个文件...`, null);
+
+    const failures = [];
+    let successCount = 0;
+
+    for (const filePath of files) {
+        const result = await deleteFile(filePath, {
+            skipConfirm: true,
+            suppressReload: true,
+            suppressStatus: true,
+        });
+
+        if (result) {
+            successCount += 1;
+        } else {
+            failures.push(filePath);
+        }
+    }
+
+    if (deleteButton) {
+        deleteButton.disabled = false;
+        deleteButton.classList.remove("is-disabled");
+    }
+
+    if (inProgressStatus) {
+        inProgressStatus.style.display = "none";
+    }
+
+    if (failures.length === 0 && successCount > 0) {
+        const statusDiv = updateStatus(`✓ 已删除 ${successCount} 个文件`, "success");
+        hideStatusLater(statusDiv, 3000);
+
+        setTimeout(() => {
+            window.location.reload();
+        }, 1500);
+        return;
+    }
+
+    if (failures.length > 0) {
+        const message =
+            failures.length === files.length ? "✗ 删除失败，请稍后重试" : `删除部分文件失败：${failures.join(", ")}`;
+        const statusDiv = updateStatus(message, "error");
+        hideStatusLater(statusDiv, 4000);
+
+        if (successCount > 0) {
+            setTimeout(() => {
+                window.location.reload();
+            }, 1500);
+        }
+    }
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.SelectionUtils = {
+    getEntryCheckboxes,
+    updateSelectAllState,
+    toggleSelectAll,
+    attachEntryCheckboxListeners,
+    deleteSelectedEntries,
+};

static/js/theme.js

@@ -0,0 +1,98 @@
+/**
+ * 主题和视图切换功能
+ * 包括深色/浅色主题切换、列表/网格视图切换
+ */
+
+/**
+ * 初始化主题和视图
+ */
+function initThemeAndView() {
+    const themeToggle = document.getElementById("themeToggle");
+    const viewToggle = document.getElementById("viewToggle");
+
+    if (!themeToggle || !viewToggle) {
+        return;
+    }
+
+    const themeIcon = themeToggle.querySelector("i");
+    const viewIcon = viewToggle.querySelector("i");
+
+    const savedTheme = localStorage.getItem("theme");
+    if (savedTheme === "dark") {
+        document.documentElement.setAttribute("data-theme", "dark");
+        if (themeIcon) {
+            themeIcon.classList.remove("fa-moon");
+            themeIcon.classList.add("fa-sun");
+        }
+    }
+
+    const savedView = localStorage.getItem("view") || "list";
+    document.documentElement.setAttribute("data-view", savedView);
+    if (viewIcon) {
+        if (savedView === "grid") {
+            viewIcon.classList.remove("fa-th-large");
+            viewIcon.classList.add("fa-th-list");
+        } else {
+            viewIcon.classList.remove("fa-th-list");
+            viewIcon.classList.add("fa-th-large");
+        }
+    }
+
+    viewToggle.addEventListener("click", () => {
+        const current = document.documentElement.getAttribute("data-view") || "list";
+        const next = current === "grid" ? "list" : "grid";
+        document.documentElement.setAttribute("data-view", next);
+        localStorage.setItem("view", next);
+
+        if (!viewIcon) {
+            return;
+        }
+
+        if (next === "grid") {
+            viewIcon.classList.remove("fa-th-large");
+            viewIcon.classList.add("fa-th-list");
+        } else {
+            viewIcon.classList.remove("fa-th-list");
+            viewIcon.classList.add("fa-th-large");
+        }
+    });
+
+    themeToggle.addEventListener("click", () => {
+        const currentTheme = document.documentElement.getAttribute("data-theme");
+        const newTheme = currentTheme === "dark" ? "light" : "dark";
+
+        document.documentElement.setAttribute("data-theme", newTheme);
+        localStorage.setItem("theme", newTheme);
+
+        if (!themeIcon) {
+            return;
+        }
+
+        if (newTheme === "dark") {
+            themeIcon.classList.remove("fa-moon");
+            themeIcon.classList.add("fa-sun");
+        } else {
+            themeIcon.classList.remove("fa-sun");
+            themeIcon.classList.add("fa-moon");
+        }
+    });
+
+    if (!savedTheme) {
+        const prefersDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
+        if (prefersDark) {
+            document.documentElement.setAttribute("data-theme", "dark");
+            if (themeIcon) {
+                themeIcon.classList.remove("fa-moon");
+                themeIcon.classList.add("fa-sun");
+            }
+            localStorage.setItem("theme", "dark");
+        }
+    }
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.ThemeUtils = {
+    initThemeAndView,
+};

static/js/ui-utils.js

@@ -0,0 +1,44 @@
+/**
+ * UI 相关的全局工具函数
+ * 包括状态提示、对话框等
+ */
+
+/**
+ * 更新状态消息
+ * @param {string} message - 消息内容
+ * @param {string} state - 状态类型 ('success', 'error', 'warning', 或空)
+ * @returns {HTMLElement|null} 状态元素
+ */
+function updateStatus(message, state) {
+    const statusDiv = document.getElementById("uploadStatus");
+    if (!statusDiv) {
+        return null;
+    }
+
+    statusDiv.textContent = message;
+    statusDiv.className = "upload-status" + (state ? ` ${state}` : "");
+    statusDiv.style.display = "block";
+    return statusDiv;
+}
+
+/**
+ * 延迟隐藏状态消息
+ * @param {HTMLElement} statusDiv - 状态元素
+ * @param {number} delay - 延迟时间（毫秒）
+ */
+function hideStatusLater(statusDiv, delay = 2000) {
+    if (!statusDiv) {
+        return;
+    }
+    setTimeout(() => {
+        statusDiv.style.display = "none";
+    }, delay);
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.UIUtils = {
+    updateStatus,
+    hideStatusLater,
+};

static/js/utilities.js

@@ -0,0 +1,68 @@
+/**
+ * Service Worker 和其他工具函数
+ */
+
+/**
+ * 注销 Service Worker
+ */
+function unregisterServiceWorker() {
+    if (!("serviceWorker" in navigator)) {
+        return;
+    }
+
+    window.addEventListener("load", () => {
+        navigator.serviceWorker
+            .getRegistrations()
+            .then((registrations) => {
+                registrations.forEach((registration) => {
+                    registration.unregister().then(() => {
+                        console.log("Service Worker unregistered");
+                    });
+                });
+            })
+            .catch((error) => {
+                console.log("Error unregistering Service Worker:", error);
+            });
+
+        // 清理 Service Worker 相关的缓存
+        if ("caches" in window) {
+            caches.keys().then((cacheNames) => {
+                cacheNames.forEach((cacheName) => {
+                    caches.delete(cacheName).then(() => {
+                        console.log("Cache deleted:", cacheName);
+                    });
+                });
+            });
+        }
+    });
+}
+
+/**
+ * 注册模态框处理程序
+ */
+function registerModalHandlers() {
+    const modal = document.getElementById("previewModal");
+    if (!modal) {
+        return;
+    }
+
+    modal.addEventListener("click", (event) => {
+        if (event.target === modal) {
+            closePreview();
+        }
+    });
+
+    document.addEventListener("keydown", (event) => {
+        if (event.key === "Escape" && !isDialogOpen()) {
+            closePreview();
+        }
+    });
+}
+
+/**
+ * 导出到全局作用域
+ */
+window.UtilityFuncs = {
+    unregisterServiceWorker,
+    registerModalHandlers,
+};

storages/factory.py

@@ -1,14 +1,12 @@
-import os
 from typing import Optional
 
-import dotenv
+from config import Config
 
 from .base import BaseStorage
 from .github import GitHubStorage
+from .onedrive import OnedriveStorage
 from .r2 import R2Storage
 
-dotenv.load_dotenv()
-
 
 class StorageFactory:
     """存储工厂类，根据配置创建对应的存储实例"""
@@ -29,24 +27,19 @@ class StorageFactory:
         if cls._instance is not None:
             return cls._instance
 
-        storage_type = os.getenv("STORAGE_TYPE")
+        storage_type = Config.STORAGE_TYPE
 
         if not storage_type:
-            raise RuntimeError(
+            raise RuntimeError("STORAGE_TYPE environment variable is not set. Supported types: r2, github, onedrive")
-                "STORAGE_TYPE environment variable is not set. "
-                "Supported types: r2, github"
-            )
-
-        storage_type = storage_type.lower()
 
         if storage_type == "r2":
             cls._instance = R2Storage()
         elif storage_type == "github":
             cls._instance = GitHubStorage()
+        elif storage_type == "onedrive":
+            cls._instance = OnedriveStorage()
         else:
-            raise RuntimeError(
+            raise RuntimeError(f"Unsupported storage type: {storage_type}. Supported types: r2, github, onedrive")
-                f"Unsupported storage type: {storage_type}. Supported types: r2, github"
-            )
 
         return cls._instance
 

storages/github.py

@@ -1,16 +1,14 @@
 import base64
-import os
 from datetime import datetime
 from io import BytesIO
 from typing import Any, Dict
 
-import dotenv
 import requests
 from PIL import Image
 
-from .base import BaseStorage
+from config import Config
 
-dotenv.load_dotenv()
+from .base import BaseStorage
 
 
 class StreamWrapper:
@@ -50,29 +48,30 @@ class GitHubStorage(BaseStorage):
     """基于 GitHub 仓库的存储实现"""
 
     def __init__(self):
-        self.repo_owner = os.getenv("GITHUB_REPO_OWNER")
+        """初始化 GitHub 存储客户端"""
-        self.repo_name = os.getenv("GITHUB_REPO_NAME")
+        self.token = Config.GITHUB_TOKEN
-        self.access_token = os.getenv("GITHUB_ACCESS_TOKEN")
+        repo_full = Config.GITHUB_REPO  # 格式: owner/repo
-        self.branch = os.getenv("GITHUB_BRANCH", "main")
+        self.branch = Config.GITHUB_BRANCH
-        # 反向代理 URL，用于加速 GitHub raw 文件访问
-        # 例如：https://raw. githubusercontent.com/ 的反向代理 URL
-        self.raw_proxy_url = os.getenv("GITHUB_RAW_PROXY_URL", "").rstrip("/")
 
-        if not all([self.repo_owner, self.repo_name, self.access_token]):
+        if not self.token or not repo_full:
-            raise RuntimeError("GITHUB_REPO_OWNER, GITHUB_REPO_NAME, GITHUB_ACCESS_TOKEN must be set")
+            raise RuntimeError("GITHUB_TOKEN and GITHUB_REPO must be set")
+
+        # 解析 owner/repo
+        repo_parts = repo_full.split("/")
+        if len(repo_parts) != 2:
+            raise RuntimeError(f"GITHUB_REPO must be in format 'owner/repo', got: {repo_full}")
+
+        self.repo_owner = repo_parts[0]
+        self.repo_name = repo_parts[1]
+        self.repo = repo_full
 
         self.api_base_url = f"https://api.github.com/repos/{self.repo_owner}/{self.repo_name}"
-
+        self.raw_content_url = f"https://raw.githubusercontent.com/{self.repo_owner}/{self.repo_name}/{self.branch}"
-        # 如果配置了代理 URL，则使用代理 URL；否则使用官方 raw.githubusercontent.com
-        if self.raw_proxy_url:
-            self.raw_content_url = f"{self.raw_proxy_url}/https://raw.githubusercontent.com/{self.repo_owner}/{self.repo_name}/{self.branch}"
-        else:
-            self.raw_content_url = f"https://raw.githubusercontent.com/{self.repo_owner}/{self.repo_name}/{self.branch}"
 
     def _headers(self) -> Dict[str, str]:
         """返回 API 请求的公共头部信息"""
         return {
-            "Authorization": f"token {self.access_token}",
+            "Authorization": f"token {self.token}",
             "Accept": "application/vnd.github.v3+json",
         }
 

storages/onedrive.py

@@ -0,0 +1,735 @@
+from datetime import datetime, timedelta
+from io import BytesIO
+from typing import Any, Dict, Optional
+from urllib.parse import quote
+
+import requests
+from PIL import Image
+
+from config import Config
+
+from .base import BaseStorage
+
+
+class _InvalidGrant(Exception):
+    """内部异常：用于标记 invalid_grant 以便进行下一次尝试"""
+
+    pass
+
+
+class OnedriveStorage(BaseStorage):
+    """基于 OneDrive 的存储实现，支持自动令牌刷新"""
+
+    def __init__(self):
+        """初始化 OneDrive 存储客户端"""
+        self.client_id = Config.ONEDRIVE_CLIENT_ID
+        self.client_secret = Config.ONEDRIVE_CLIENT_SECRET
+        self.refresh_token = Config.ONEDRIVE_REFRESH_TOKEN
+        self.folder_id = Config.ONEDRIVE_FOLDER_ID
+        self.graph_api_url = "https://graph.microsoft.com/v1.0"
+
+        if not (self.client_id and self.client_secret and self.refresh_token):
+            raise RuntimeError("ONEDRIVE_CLIENT_ID, ONEDRIVE_CLIENT_SECRET, and ONEDRIVE_REFRESH_TOKEN must be set")
+
+        # 如果没有指定 folder_id，使用 /me/drive/root
+        self.folder_item_id = self.folder_id or "root"
+
+        # 初始化 access_token 并刷新
+        self.access_token = None
+        self._refresh_token()
+
+    def _item_path_url(self, key: str, action: str | None = None) -> str:
+        """根据 folder_item_id 构造基于路径的 DriveItem URL，可附带动作后缀。
+
+        Examples:
+            - action=None => ...:/path:
+            - action='content' => ...:/path:/content
+            - action='createLink' => ...:/path:/createLink
+            - action='thumbnails' => ...:/path:/thumbnails
+        """
+        key = key.strip("/")
+        # 对路径进行 URL 编码，但保留路径分隔符 '/'
+        key_quoted = quote(key, safe="/")
+        base = (
+            f"{self.graph_api_url}/me/drive/root:/{key_quoted}:"
+            if self.folder_item_id == "root"
+            else f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{key_quoted}:"
+        )
+        if action:
+            return base + f"/{action}"
+        return base
+
+    def _refresh_token(self) -> None:
+        """刷新 OneDrive 访问令牌"""
+        configured_scopes = getattr(Config, "ONEDRIVE_SCOPES", None)
+        attempts = [None] + ([configured_scopes] if configured_scopes else []) + ["Files.ReadWrite.All offline_access"]
+        token_json = self._perform_refresh_attempts(attempts)
+        self.access_token = token_json["access_token"]
+        new_refresh = token_json.get("refresh_token")
+        if new_refresh:
+            self.refresh_token = new_refresh
+        self._access_token_expires_in = token_json.get("expires_in")
+
+    def _perform_refresh_attempts(self, attempts: list) -> dict:
+        errors: list[str] = []
+
+        for idx, scope in enumerate(attempts, start=1):
+            try:
+                token_json = self._do_refresh_attempt(scope)
+                return token_json
+            except _InvalidGrant as e:
+                errors.append(f"Attempt {idx} invalid_grant: {str(e)}")
+                continue
+
+        raise RuntimeError("Failed to refresh OneDrive token: " + " | ".join(errors))
+
+    def _do_refresh_attempt(self, scope: str | None) -> dict:
+        url = "https://login.microsoftonline.com/common/oauth2/v2.0/token"
+        headers = {"Content-Type": "application/x-www-form-urlencoded"}
+
+        payload = {
+            "client_id": self.client_id,
+            "grant_type": "refresh_token",
+            "refresh_token": self.refresh_token,
+        }
+        if scope:
+            payload["scope"] = scope
+        if self.client_secret:
+            payload["client_secret"] = self.client_secret
+        redirect_uri = getattr(Config, "ONEDRIVE_REDIRECT_URI", None)
+        if redirect_uri:
+            payload["redirect_uri"] = redirect_uri
+
+        resp = requests.post(url, data=payload, headers=headers, timeout=20)
+        try:
+            detail = resp.json()
+        except Exception:
+            detail = resp.text
+
+        if resp.status_code != 200:
+            # 如果是 invalid_grant，抛出内部异常以触发下一次尝试
+            if isinstance(detail, dict) and detail.get("error") == "invalid_grant":
+                raise _InvalidGrant(detail)
+            raise RuntimeError(f"Token endpoint error {resp.status_code}: {detail}")
+
+        if isinstance(detail, dict) and detail.get("error"):
+            if detail.get("error") == "invalid_grant":
+                raise _InvalidGrant(detail)
+            raise RuntimeError(f"Token response error: {detail}")
+
+        token_json = detail if isinstance(detail, dict) else {}
+        access_token = token_json.get("access_token")
+        if not access_token:
+            # 视为无效，交给下一次尝试
+            raise _InvalidGrant({"error": "missing_access_token", "detail": detail})
+        return token_json
+
+    def _try_refresh(self, func):
+        """尝试执行函数，如果失败则刷新令牌后重试（处理令牌过期）"""
+        try:
+            return func()
+        except Exception as e:
+            if "401" in str(e) or "Unauthorized" in str(e):
+                # 令牌过期，刷新并重试
+                self._refresh_token()
+                return func()
+            raise
+
+    def _api_request(self, method: str, url: str, **kwargs):
+        """
+        执行 API 请求，自动处理令牌过期
+
+        Args:
+            method: HTTP 方法 (GET, POST, PUT, DELETE, PATCH)
+            url: API URL
+            **kwargs: 其他请求参数
+
+        Returns:
+            响应对象
+        """
+
+        def _do_request():
+            response = requests.request(method, url, headers=self._headers(), **kwargs)
+            if response.status_code == 401:
+                raise RuntimeError("Unauthorized - OneDrive access token expired")
+            return response
+
+        return self._try_refresh(_do_request)
+
+    def _headers(self) -> Dict[str, str]:
+        """返回 API 请求的公共头部信息"""
+        return {
+            "Authorization": f"Bearer {self.access_token}",
+            "Content-Type": "application/json",
+        }
+
+    def _verify_connection(self) -> None:
+        """验证 OneDrive 连接是否有效"""
+        try:
+            url = f"{self.graph_api_url}/me/drive"
+            response = requests.get(url, headers=self._headers(), timeout=10)
+            if response.status_code != 200:
+                raise RuntimeError(f"OneDrive connection failed: {response.text}")
+        except Exception as e:
+            raise RuntimeError(f"Failed to connect to OneDrive: {str(e)}") from None
+
+    def _get_folder_id(self, path: str) -> Optional[str]:
+        """获取指定路径的文件夹 ID"""
+        if not path or path == "/":
+            return self.folder_item_id
+
+        try:
+            # 直接获取该路径对应项的元数据（而不是其子项），以拿到该文件夹自身的 id
+            path = path.strip("/")
+            if self.folder_item_id == "root":
+                url = f"{self.graph_api_url}/me/drive/root:/{path}:"
+            else:
+                url = f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{path}:"
+            response = requests.get(url, headers=self._headers(), timeout=10)
+
+            if response.status_code == 200:
+                item = response.json()
+                if item.get("folder"):
+                    return item.get("id")
+        except Exception:
+            pass
+
+        return None
+
+    def list_objects(self, prefix: str = "") -> Dict[str, Any]:
+        """
+        列出存储桶中的对象
+
+        Args:
+            prefix: 对象前缀（用于目录浏览）
+
+        Returns:
+            包含对象列表的字典
+        """
+        try:
+            prefix = prefix.rstrip("/") if prefix else ""
+
+            # 直接基于路径列出，避免先查 ID 再列出造成的额外往返
+            select = "$select=name,size,lastModifiedDateTime,id,folder,file"
+            if prefix:
+                # 对前缀进行 URL 编码，保留路径分隔符
+                from urllib.parse import quote as _quote
+
+                quoted_prefix = _quote(prefix.strip("/"), safe="/")
+                if self.folder_item_id == "root":
+                    url = f"{self.graph_api_url}/me/drive/root:/{quoted_prefix}:/children?{select}"
+                else:
+                    url = (
+                        f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{quoted_prefix}:/children?{select}"
+                    )
+            else:
+                if self.folder_item_id == "root":
+                    url = f"{self.graph_api_url}/me/drive/root/children?{select}"
+                else:
+                    url = f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}/children?{select}"
+            response = self._api_request("GET", url)
+            response.raise_for_status()
+
+            items = response.json().get("value", [])
+            files = []
+            folders = []
+
+            for item in items:
+                # 跳过特殊文件
+                if item.get("name", "").startswith("."):
+                    continue
+
+                item_path = f"{prefix}/{item.get('name')}" if prefix else item.get("name")
+
+                if "folder" in item:
+                    # 这是一个文件夹
+                    folders.append({"Prefix": f"{item_path}/"})
+                else:
+                    # 这是一个文件
+                    size = item.get("size", 0)
+                    modified_time = item.get("lastModifiedDateTime", datetime.now().isoformat())
+
+                    # 解析 ISO 格式时间
+                    try:
+                        if isinstance(modified_time, str):
+                            modified_time = datetime.fromisoformat(modified_time.replace("Z", "+00:00"))
+                    except Exception:
+                        modified_time = datetime.now()
+
+                    files.append(
+                        {
+                            "Key": item_path,
+                            "Size": size,
+                            "LastModified": modified_time,
+                            "ETag": item.get("id", ""),
+                        }
+                    )
+
+            return {
+                "Contents": sorted(files, key=lambda x: x["Key"]),
+                "CommonPrefixes": sorted(folders, key=lambda x: x["Prefix"]),
+            }
+        except Exception as e:
+            import traceback
+
+            traceback.print_exc()
+            raise RuntimeError(f"Failed to list OneDrive objects: {str(e)}") from None
+
+    def get_object_info(self, key: str) -> Dict[str, Any]:
+        """
+        获取对象基本信息
+
+        Args:
+            key: 对象键名
+
+        Returns:
+            对象元数据
+        """
+        try:
+            url = self._item_path_url(key)
+            response = self._api_request("GET", url)
+            response.raise_for_status()
+
+            item = response.json()
+            return {
+                "Key": key,
+                "Size": item.get("size", 0),
+                "LastModified": item.get("lastModifiedDateTime", datetime.now().isoformat()),
+                "ETag": item.get("id", ""),
+            }
+        except Exception as e:
+            raise RuntimeError(f"Failed to get OneDrive object info: {str(e)}") from None
+
+    def get_object(self, key: str) -> Dict[str, Any]:
+        """
+        获取对象内容
+
+        Args:
+            key: 对象键名
+
+        Returns:
+            包含对象内容的字典
+        """
+        try:
+            url = self._item_path_url(key, "content")
+            response = self._api_request("GET", url)
+            response.raise_for_status()
+
+            return {
+                "Body": response.content,
+                "ContentType": response.headers.get("Content-Type", "application/octet-stream"),
+            }
+        except Exception as e:
+            raise RuntimeError(f"Failed to get OneDrive object: {str(e)}") from None
+
+    def generate_presigned_url(self, key: str, expires: int = None) -> str:
+        """
+        为指定对象生成预签名 URL
+
+        Args:
+            key: 对象键名
+            expires: 过期时间（秒）
+
+        Returns:
+            预签名 URL，失败返回 None
+        """
+        try:
+            expires = expires or Config.PRESIGNED_URL_EXPIRES
+            url = self._item_path_url(key, "createLink")
+
+            body = {
+                "type": "view",
+                "scope": "anonymous",
+                "expirationDateTime": (datetime.utcnow() + timedelta(seconds=expires)).isoformat() + "Z",
+            }
+
+            response = requests.post(url, headers=self._headers(), json=body, timeout=15)
+
+            if response.status_code in (200, 201):
+                data = response.json() or {}
+                link = data.get("link") or {}
+                web = link.get("webUrl")
+                if web:
+                    # 强制下载提示（视 OneDrive 行为而定）
+                    sep = "&" if "?" in web else "?"
+                    return f"{web}{sep}download=1"
+
+            return None
+        except Exception:
+            return None
+
+    def _get_direct_download_url(self, key: str) -> Optional[str]:
+        """从 DriveItem 元数据中获取临时直链（@microsoft.graph.downloadUrl）。"""
+        try:
+            url = self._item_path_url(key)
+            resp = self._api_request("GET", url)
+            if resp.status_code == 200:
+                data = resp.json() or {}
+                # Graph 返回的预签名直链属性
+                return data.get("@microsoft.graph.downloadUrl") or data.get("@microsoft.graph.downloadurl")
+        except Exception:
+            return None
+        return None
+
+    def generate_download_response(self, key: str) -> Dict[str, Any]:
+        """优先返回 OneDrive 的临时直链（直接文件内容），避免跳转到预览页。"""
+        # 1) 直链（最佳体验：直接获取文件内容，不经过 OneDrive 预览页）
+        direct = self._get_direct_download_url(key)
+        if direct:
+            return {"type": "redirect", "url": direct}
+
+        # 2) 匿名分享链接（添加 download=1 提示下载）
+        presigned = self.generate_presigned_url(key)
+        if presigned:
+            return {"type": "redirect", "url": presigned}
+
+        # 3) 回退到 webUrl（可能需要登录）
+        public_url = self.get_public_url(key)
+        if public_url:
+            return {"type": "redirect", "url": public_url}
+
+        return None
+
+    def get_public_url(self, key: str) -> str:
+        """
+        生成对象的公共访问 URL
+
+        Args:
+            key: 对象键名
+
+        Returns:
+            公共 URL，未配置返回 None
+        """
+        try:
+            # 直接获取 DriveItem 元数据并读取 webUrl 字段
+            url = self._item_path_url(key)
+            response = self._api_request("GET", url)
+            if response.status_code == 200:
+                return (response.json() or {}).get("webUrl")
+
+            return None
+        except Exception:
+            return None
+
+    def upload_file(self, key: str, file_data: bytes, content_type: str = None) -> bool:
+        """
+        上传文件
+
+        Args:
+            key: 对象键名
+            file_data: 文件内容
+            content_type: 文件类型（MIME type，可选）
+
+        Returns:
+            上传成功返回 True，失败返回 False
+        """
+        try:
+            url = self._item_path_url(key, "content")
+
+            # 自定义头部（需要指定 Content-Type）
+            headers = {
+                "Authorization": f"Bearer {self.access_token}",
+                "Content-Type": content_type or "application/octet-stream",
+            }
+
+            response = requests.put(url, headers=headers, data=file_data, timeout=30)
+            response.raise_for_status()
+
+            return response.status_code == 200 or response.status_code == 201
+        except Exception as e:
+            raise RuntimeError(
+                f"Failed to upload file to OneDrive: {str(e)}" if isinstance(e, Exception) else str(e)
+            ) from None
+
+    def delete_file(self, key: str) -> bool:
+        """
+        删除文件
+
+        Args:
+            key: 对象键名
+
+        Returns:
+            删除成功返回 True，失败返回 False
+        """
+        try:
+            url = self._item_path_url(key)
+            response = self._api_request("DELETE", url)
+            return response.status_code == 204
+        except Exception as e:
+            raise RuntimeError(f"Failed to delete file from OneDrive: {str(e)}") from None
+
+    def copy_file(self, source_key: str, dest_key: str) -> bool:
+        """
+        复制文件
+
+        Args:
+            source_key: 源文件键名
+            dest_key: 目标文件键名
+
+        Returns:
+            复制成功返回 True，失败返回 False
+        """
+        try:
+            source = source_key.strip("/")
+            destination = dest_key.strip("/")
+
+            # 获取源文件 ID
+            source_url = f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{source}:"
+            source_response = self._api_request("GET", source_url)
+            source_response.raise_for_status()
+            source_item = source_response.json()
+
+            # 复制文件
+            copy_url = f"{self.graph_api_url}/me/drive/items/{source_item.get('id')}/copy"
+            copy_body = {
+                "parentReference": {"id": self.folder_item_id},
+                "name": destination.split("/")[-1],
+            }
+
+            copy_response = self._api_request("POST", copy_url, json=copy_body)
+            copy_response.raise_for_status()
+
+            return copy_response.status_code == 202 or copy_response.status_code == 200
+        except Exception as e:
+            raise RuntimeError(f"Failed to copy file in OneDrive: {str(e)}") from None
+
+    def generate_thumbnail(self, file_path: str) -> bytes:
+        """
+        生成图片缩略图
+
+        Args:
+            file_path: 文件路径
+
+        Returns:
+            缩略图字节数据
+        """
+        try:
+            url = self._item_path_url(file_path, "thumbnails")
+            response = requests.get(url, headers=self._headers(), timeout=15)
+            response.raise_for_status()
+
+            thumbnails = response.json().get("value", [])
+            if thumbnails:
+                thumb_set = thumbnails[0]
+                # 获取中等大小的缩略图
+                thumb_url = thumb_set.get("c", {}).get("url") or thumb_set.get("m", {}).get("url")
+
+                if thumb_url:
+                    thumb_response = requests.get(thumb_url)
+                    if thumb_response.status_code == 200:
+                        return thumb_response.content
+
+            # 如果没有缩略图，尝试生成一个
+            return self._generate_fallback_thumbnail(file_path)
+        except Exception:
+            return None
+
+    def _generate_fallback_thumbnail(self, file_path: str) -> bytes:
+        """
+        生成备用缩略图（当 OneDrive 没有缩略图时）
+
+        Args:
+            file_path: 文件路径
+
+        Returns:
+            缩略图字节数据
+        """
+        try:
+            file_obj = self.get_object(file_path)
+            img = Image.open(BytesIO(file_obj["Body"]))
+
+            # 调整大小
+            img.thumbnail(Config.THUMB_SIZE, Image.Resampling.LANCZOS)
+
+            # 保存为 PNG
+            thumb_buffer = BytesIO()
+            img.save(thumb_buffer, format="PNG")
+            return thumb_buffer.getvalue()
+        except Exception:
+            return None
+
+    def rename_file(self, old_key: str, new_key: str) -> bool:
+        """
+        重命名文件
+
+        Args:
+            old_key: 旧的文件键名
+            new_key: 新的文件键名
+
+        Returns:
+            重命名成功返回 True，失败返回 False
+        """
+        try:
+            old_key = old_key.strip("/")
+            new_key = new_key.strip("/")
+
+            # 获取旧文件的 ID
+            url = f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{old_key}:"
+            response = self._api_request("GET", url)
+            response.raise_for_status()
+            item_id = response.json().get("id")
+
+            # 更新文件名
+            update_url = f"{self.graph_api_url}/me/drive/items/{item_id}"
+            update_body = {"name": new_key.split("/")[-1]}
+
+            response = self._api_request("PATCH", update_url, json=update_body)
+            response.raise_for_status()
+
+            return response.status_code == 200
+        except Exception as e:
+            raise RuntimeError(
+                f"Failed to rename file in OneDrive: {str(e)}" if isinstance(e, Exception) else str(e)
+            ) from None
+
+    def delete_folder(self, prefix: str) -> bool:
+        """
+        删除文件夹及其中的所有文件
+
+        Args:
+            prefix: 文件夹前缀
+
+        Returns:
+            删除成功返回 True，失败返回 False
+        """
+        try:
+            prefix = prefix.rstrip("/")
+
+            # 获取文件夹中的所有项目
+            items = self.list_objects(prefix)
+
+            # 删除所有文件
+            for file in items.get("Contents", []):
+                self.delete_file(file["Key"])
+
+            # 删除所有子文件夹
+            for folder in items.get("CommonPrefixes", []):
+                self.delete_folder(folder["Prefix"])
+
+            # 删除文件夹本身
+            url = f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{prefix}:"
+            response = self._api_request("DELETE", url)
+
+            return response.status_code == 204
+        except Exception as e:
+            raise RuntimeError(
+                f"Failed to delete folder from OneDrive: {str(e)}" if isinstance(e, Exception) else str(e)
+            ) from None
+
+    def rename_folder(self, old_prefix: str, new_prefix: str) -> bool:
+        """
+        重命名文件夹
+
+        Args:
+            old_prefix: 旧的文件夹前缀
+            new_prefix: 新的文件夹前缀
+
+        Returns:
+            重命名成功返回 True，失败返回 False
+        """
+        try:
+            old_prefix = old_prefix.rstrip("/")
+            new_prefix = new_prefix.rstrip("/")
+
+            # 获取旧文件夹的 ID
+            url = f"{self.graph_api_url}/me/drive/items/{self.folder_item_id}:/{old_prefix}:"
+            response = self._api_request("GET", url)
+            response.raise_for_status()
+            item_id = response.json().get("id")
+
+            # 更新文件夹名
+            update_url = f"{self.graph_api_url}/me/drive/items/{item_id}"
+            update_body = {"name": new_prefix.split("/")[-1]}
+
+            response = self._api_request("PATCH", update_url, json=update_body)
+            response.raise_for_status()
+
+            return response.status_code == 200
+        except Exception as e:
+            raise RuntimeError(
+                f"Failed to rename folder in OneDrive: {str(e)}" if isinstance(e, Exception) else str(e)
+            ) from None
+
+    def copy_folder(self, source_prefix: str, dest_prefix: str) -> bool:
+        """
+        复制文件夹及其中的所有文件
+
+        Args:
+            source_prefix: 源文件夹前缀
+            dest_prefix: 目标文件夹前缀
+
+        Returns:
+            复制成功返回 True，失败返回 False
+        """
+        try:
+            source_prefix = source_prefix.rstrip("/")
+            dest_prefix = dest_prefix.rstrip("/")
+
+            # 创建目标文件夹
+            self.create_folder(dest_prefix + "/")
+
+            # 获取源文件夹中的所有项目
+            items = self.list_objects(source_prefix)
+
+            # 复制所有文件
+            for file in items.get("Contents", []):
+                source_key = file["Key"]
+                # 保持相对路径
+                relative_path = source_key[len(source_prefix) + 1 :]
+                dest_key = f"{dest_prefix}/{relative_path}"
+                self.copy_file(source_key, dest_key)
+
+            # 递归复制子文件夹
+            for folder in items.get("CommonPrefixes", []):
+                source_folder = folder["Prefix"].rstrip("/")
+                relative_folder = source_folder[len(source_prefix) + 1 :]
+                dest_folder = f"{dest_prefix}/{relative_folder}"
+                self.copy_folder(source_folder, dest_folder)
+
+            return True
+        except Exception as e:
+            raise RuntimeError(
+                f"Failed to copy folder in OneDrive: {str(e)}" if isinstance(e, Exception) else str(e)
+            ) from None
+
+    def create_folder(self, key: str) -> bool:
+        """
+        创建文件夹
+
+        Args:
+            key: 文件夹路径（以 / 结尾）
+
+        Returns:
+            创建成功返回 True，失败返回 False
+        """
+        try:
+            key = key.rstrip("/")
+
+            # 获取父文件夹 ID
+            parts = key.split("/")
+            parent_id = self.folder_item_id
+
+            # 创建每一层文件夹
+            for _, folder_name in enumerate(parts):
+                # 检查文件夹是否已存在
+                existing_url = f"{self.graph_api_url}/me/drive/items/{parent_id}:/{folder_name}:"
+                existing_response = self._api_request("GET", existing_url)
+
+                if existing_response.status_code == 200:
+                    parent_id = existing_response.json().get("id")
+                    continue
+
+                # 创建新文件夹
+                create_url = f"{self.graph_api_url}/me/drive/items/{parent_id}/children"
+                create_body = {"name": folder_name, "folder": {}}
+
+                create_response = self._api_request("POST", create_url, json=create_body)
+                create_response.raise_for_status()
+
+                parent_id = create_response.json().get("id")
+
+            return True
+        except Exception as e:
+            raise RuntimeError(
+                f"Failed to create folder in OneDrive: {str(e)}" if isinstance(e, Exception) else str(e)
+            ) from None

storages/r2.py

@@ -3,31 +3,34 @@ from io import BytesIO
 from typing import Any, Dict
 
 import boto3
-import dotenv
+from botocore.config import Config as BotocoreConfig
-from botocore.config import Config
 from PIL import Image
 
+from config import Config
+
 from .base import BaseStorage
 
-dotenv.load_dotenv()
-
 
 class R2Storage(BaseStorage):
-    def __init__(self):
+    """Cloudflare R2 存储后端实现"""
-        self.endpoint = os.getenv("R2_ENDPOINT_URL")
-        if not self.endpoint:
-            raise RuntimeError("R2_ENDPOINT_URL environment variable is not set")
 
-        self.access_key = os.getenv("ACCESS_KEY_ID") or os.getenv("ACCESS_KEY_ID")
+    def __init__(self):
-        self.secret_key = os.getenv("SECRET_ACCESS_KEY") or os.getenv(
+        """初始化 R2 存储客户端"""
-            "SECRET_ACCESS_KEY"
+        # 从统一配置中读取
-        )
+        account_id = Config.R2_ACCOUNT_ID
+        if not account_id:
+            raise RuntimeError("R2_ACCOUNT_ID environment variable is not set")
+
+        self.endpoint = f"https://{account_id}.r2.cloudflarestorage.com"
+        self.access_key = Config.R2_ACCESS_KEY_ID
+        self.secret_key = Config.R2_SECRET_ACCESS_KEY
 
         if not self.access_key or not self.secret_key:
-            raise RuntimeError("ACCESS_KEY_ID and SECRET_ACCESS_KEY must be set")
+            raise RuntimeError("R2_ACCESS_KEY_ID and R2_SECRET_ACCESS_KEY must be set")
 
-        self.region_name = os.getenv("R2_REGION", "auto")
+        self.region_name = "auto"
-        self.bucket_name = os.getenv("R2_BUCKET_NAME")
+        self.bucket_name = Config.R2_BUCKET_NAME
+        self.public_domain = Config.R2_PUBLIC_DOMAIN
 
     def get_s3_client(self):
         """
@@ -38,7 +41,7 @@ class R2Storage(BaseStorage):
             endpoint_url=self.endpoint,
             aws_access_key_id=self.access_key,
             aws_secret_access_key=self.secret_key,
-            config=Config(signature_version="s3v4"),
+            config=BotocoreConfig(signature_version="s3v4"),
             region_name=self.region_name,
         )
 
@@ -95,10 +98,9 @@ class R2Storage(BaseStorage):
         """
         生成对象的公共访问 URL
         """
-        base_url = os.getenv("R2_PUBLIC_URL")
+        if not self.public_domain:
-        if not base_url:
             return None
-        return f"{base_url.rstrip('/')}/{key}"
+        return f"{self.public_domain.rstrip('/')}/{key}"
 
     def generate_thumbnail(self, file_path: str) -> bytes:
         """
@@ -162,9 +164,7 @@ class R2Storage(BaseStorage):
 
             # 复制对象到新路径
             copy_source = {"Bucket": self.bucket_name, "Key": old_key}
-            s3_client.copy_object(
+            s3_client.copy_object(CopySource=copy_source, Bucket=self.bucket_name, Key=new_key)
-                CopySource=copy_source, Bucket=self.bucket_name, Key=new_key
-            )
 
             # 删除原对象
             s3_client.delete_object(Bucket=self.bucket_name, Key=old_key)
@@ -195,9 +195,7 @@ class R2Storage(BaseStorage):
             # 分批次删除，S3/R2 一次最多删除 1000 个
             for i in range(0, len(objects_to_delete), 1000):
                 chunk = objects_to_delete[i : i + 1000]
-                s3_client.delete_objects(
+                s3_client.delete_objects(Bucket=self.bucket_name, Delete={"Objects": chunk})
-                    Bucket=self.bucket_name, Delete={"Objects": chunk}
-                )
 
             return True
         except Exception as e:
@@ -225,9 +223,7 @@ class R2Storage(BaseStorage):
             for old_key in objects_to_rename:
                 new_key = old_key.replace(old_prefix, new_prefix, 1)
                 copy_source = {"Bucket": self.bucket_name, "Key": old_key}
-                s3_client.copy_object(
+                s3_client.copy_object(CopySource=copy_source, Bucket=self.bucket_name, Key=new_key)
-                    CopySource=copy_source, Bucket=self.bucket_name, Key=new_key
-                )
 
             # 删除旧文件夹下的所有对象
             self.delete_folder(old_prefix)
@@ -244,9 +240,7 @@ class R2Storage(BaseStorage):
         try:
             s3_client = self.get_s3_client()
             copy_source = {"Bucket": self.bucket_name, "Key": source_key}
-            s3_client.copy_object(
+            s3_client.copy_object(CopySource=copy_source, Bucket=self.bucket_name, Key=dest_key)
-                CopySource=copy_source, Bucket=self.bucket_name, Key=dest_key
-            )
             return True
         except Exception as e:
             print(f"File copy failed: {str(e)}")
@@ -322,3 +316,48 @@ class R2Storage(BaseStorage):
         }
 
         return content_types.get(ext, "application/octet-stream")
+
+    def generate_download_response(self, key: str) -> Dict[str, Any]:
+        """
+        生成文件下载响应（R2 实现）
+
+        Args:
+            key: 对象键名（文件路径）
+
+        Returns:
+            包含下载信息的字典
+        """
+        try:
+            s3_client = self.get_s3_client()
+            file_name = key.split("/")[-1] if "/" in key else key
+
+            # 使用 RFC 5987 编码处理文件名
+            from urllib.parse import quote
+
+            encoded_filename = quote(file_name.encode("utf-8"), safe="")
+
+            # 生成带有 Content-Disposition 的预签名 URL
+            expires = int(os.getenv("R2_PRESIGN_EXPIRES", "3600"))
+
+            url = s3_client.generate_presigned_url(
+                "get_object",
+                Params={
+                    "Bucket": self.bucket_name,
+                    "Key": key,
+                    "ResponseContentDisposition": f"attachment; filename=\"{file_name}\"; filename*=UTF-8''{encoded_filename}",
+                },
+                ExpiresIn=expires,
+            )
+
+            if url:
+                return {"type": "redirect", "url": url}
+
+            # 如果预签名 URL 失败，尝试公共 URL
+            public_url = self.get_public_url(key)
+            if public_url:
+                return {"type": "redirect", "url": public_url}
+
+            return None
+        except Exception as e:
+            print(f"R2 download response generation failed: {str(e)}")
+            return None

templates/base.html

@@ -5,8 +5,11 @@
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />
         <title>{% block title %}Cloud Index{% endblock %}</title>
         <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='favicon.svg') }}" />
+        <!-- 资源性能优化：预连接第三方 CDN，减少 TLS 握手耗时 -->
+        <link rel="preconnect" href="https://cdnjs.cloudflare.com" crossorigin />
+        <link rel="dns-prefetch" href="//cdnjs.cloudflare.com" />
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css" />
-        <link rel="stylesheet" href="{{ url_for('static', filename='css/main.css') }}" />
+        <link rel="stylesheet" href="{{ url_for('static', filename='css/index.css') }}" />
         {% block head_extra %}{% endblock %}
     </head>
     <body {% block body_attrs %}{% endblock %}>
@@ -27,7 +30,24 @@
                 </div>
             </div>
         </div>
-        <script defer src="{{ url_for('static', filename='js/main.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/ui-utils.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/dialog.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/theme.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/utilities.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/file-operations.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/selection.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/download.js') }}"></script>
+        <script defer src="{{ url_for('static', filename='js/preview.js') }}"></script>
+        <script>
+            document.addEventListener("DOMContentLoaded", () => {
+                window.DialogUtils.initDialog();
+                window.ThemeUtils.initThemeAndView();
+                window.UtilityFuncs.unregisterServiceWorker();
+                window.UtilityFuncs.registerModalHandlers();
+                window.SelectionUtils.attachEntryCheckboxListeners();
+                window.DownloadUtils.attachDownloadButtonListeners();
+            });
+        </script>
         {% block scripts %}{% endblock %}
     </body>
 </html>

templates/index.html

@@ -195,7 +195,10 @@ current_prefix }}"{% endblock %} {% block content %}
             <div class="grid-thumb" onclick="openPreview('{{ entry.file_url }}', '{{ entry.name }}')">
                 <img
                     style="width: 100%; height: 100%; object-fit: cover; border-radius: 6px"
-                    src="{{ entry.file_url }}"
+                    src="/thumb/{{ entry.key }}"
+                    loading="lazy"
+                    decoding="async"
+                    fetchpriority="low"
                     alt="{{ entry.name }}"
                 />
             </div>
@@ -281,4 +284,74 @@ current_prefix }}"{% endblock %} {% block content %}
         <div id="previewInfo" class="preview-info"></div>
     </div>
 </div>
+{% endblock %} {% block scripts %}
+<script>
+    // 客户端分页：初始只渲染部分条目，点击“加载更多”逐步显示，减少首屏 DOM 与渲染压力
+    (function () {
+        const PAGE_CHUNK = 200; // 每次显示的条目数（表格与网格分别按该步长展开）
+        function hideBeyond(nodeList) {
+            let hidden = 0;
+            for (let i = PAGE_CHUNK; i < nodeList.length; i++) {
+                const el = nodeList[i];
+                if (!el.hasAttribute("hidden")) {
+                    el.setAttribute("hidden", "");
+                    hidden++;
+                }
+            }
+            return hidden;
+        }
+        function revealNext(nodeList, count) {
+            let revealed = 0;
+            for (let i = 0; i < nodeList.length && revealed < count; i++) {
+                const el = nodeList[i];
+                if (el.hasAttribute("hidden")) {
+                    el.removeAttribute("hidden");
+                    revealed++;
+                }
+            }
+            return revealed;
+        }
+
+        function setupLoadMore() {
+            const tableRows = document.querySelectorAll("table.files-table tbody tr");
+            const gridCards = document.querySelectorAll("#gridContainer .grid-card");
+            let hiddenCount = 0;
+            hiddenCount += hideBeyond(tableRows);
+            hiddenCount += hideBeyond(gridCards);
+
+            if (hiddenCount === 0) return;
+
+            // 创建“加载更多”按钮
+            const moreWrap = document.createElement("div");
+            moreWrap.style.display = "flex";
+            moreWrap.style.justifyContent = "center";
+            moreWrap.style.margin = "16px 0 24px";
+
+            const btn = document.createElement("button");
+            btn.className = "view-toggle";
+            btn.type = "button";
+            const info = document.createElement("span");
+            info.style.marginLeft = "8px";
+            info.textContent = hiddenCount;
+            btn.textContent = "加载更多";
+            btn.appendChild(info);
+            moreWrap.appendChild(btn);
+
+            const container = document.querySelector(".container");
+            container && container.appendChild(moreWrap);
+
+            btn.addEventListener("click", () => {
+                const shown = revealNext(tableRows, PAGE_CHUNK) + revealNext(gridCards, PAGE_CHUNK);
+                hiddenCount = Math.max(0, hiddenCount - shown);
+                if (hiddenCount <= 0) {
+                    moreWrap.remove();
+                } else {
+                    info.textContent = hiddenCount;
+                }
+            });
+        }
+
+        document.addEventListener("DOMContentLoaded", setupLoadMore);
+    })();
+</script>
 {% endblock %}

utils.py

@@ -0,0 +1,160 @@
+"""
+工具函数模块
+集中管理常用的辅助函数
+"""
+
+from datetime import datetime
+from typing import Optional
+
+
+def format_timestamp(timestamp) -> str:
+    """
+    格式化时间戳为人类可读的格式
+
+    Args:
+        timestamp: 时间戳对象（datetime 或其他）
+
+    Returns:
+        格式化后的时间字符串
+    """
+    if isinstance(timestamp, datetime):
+        return timestamp.strftime("%Y-%m-%d %H:%M:%S")
+    return str(timestamp)
+
+
+def format_file_size(size_bytes: Optional[int]) -> str:
+    """
+    格式化文件大小为人类可读的格式
+
+    Args:
+        size_bytes: 文件大小（字节）
+
+    Returns:
+        格式化后的大小字符串（如 "1.23MB"）
+    """
+    try:
+        if size_bytes is None:
+            return "-"
+        num = float(size_bytes)
+    except (ValueError, TypeError):
+        return "-"
+
+    for unit in ["B", "KB", "MB", "GB", "TB"]:
+        if num < 1024:
+            # 对于字节，显示整数
+            if unit == "B":
+                return f"{int(num)}{unit}"
+            # 其他单位保留两位小数
+            return f"{num:.2f}{unit}"
+        num = num / 1024.0
+    return f"{num:.2f}PB"
+
+
+def get_file_icon(filename: Optional[str]) -> str:
+    """
+    根据文件名返回对应的 Font Awesome 图标类名
+
+    Args:
+        filename: 文件名
+
+    Returns:
+        Font Awesome 图标类名
+    """
+    if not filename:
+        return "fas fa-file"
+
+    ext = filename.lower().split(".")[-1] if "." in filename else ""
+
+    # 定义文件类型映射
+    icon_map = {
+        "fas fa-image": ["jpg", "jpeg", "png", "gif", "bmp", "webp", "svg"],
+        "fas fa-music": ["mp3", "wav", "ogg", "flac", "m4a", "aac"],
+        "fas fa-video": ["mp4", "webm", "avi", "mov", "wmv", "flv", "mkv"],
+        "fas fa-file-alt": ["pdf", "doc", "docx", "txt", "md", "rtf"],
+        "fas fa-file-archive": ["zip", "rar", "7z", "tar", "gz"],
+        "fas fa-file-code": ["py", "js", "html", "css", "java", "cpp", "c", "php"],
+        "fas fa-file-excel": ["xls", "xlsx", "csv"],
+        "fas fa-file-powerpoint": ["ppt", "pptx"],
+    }
+
+    for icon, extensions in icon_map.items():
+        if ext in extensions:
+            return icon
+
+    return "fas fa-file"
+
+
+def normalize_path(path: str, is_folder: bool = False) -> str:
+    """
+    规范化路径格式
+
+    Args:
+        path: 原始路径
+        is_folder: 是否为文件夹
+
+    Returns:
+        规范化后的路径（文件夹以 / 结尾）
+    """
+    path = path.strip()
+    if is_folder and not path.endswith("/"):
+        return path + "/"
+    if not is_folder and path.endswith("/"):
+        return path.rstrip("/")
+    return path
+
+
+def get_file_extension(filename: str) -> str:
+    """
+    获取文件扩展名
+
+    Args:
+        filename: 文件名
+
+    Returns:
+        小写的文件扩展名（不含点）
+    """
+    if not filename or "." not in filename:
+        return ""
+    return filename.lower().split(".")[-1]
+
+
+def is_image_file(filename: str) -> bool:
+    """
+    判断文件是否为图片
+
+    Args:
+        filename: 文件名
+
+    Returns:
+        如果是图片文件返回 True
+    """
+    image_extensions = ["jpg", "jpeg", "png", "gif", "bmp", "webp", "svg", "ico"]
+    return get_file_extension(filename) in image_extensions
+
+
+def is_video_file(filename: str) -> bool:
+    """
+    判断文件是否为视频
+
+    Args:
+        filename: 文件名
+
+    Returns:
+        如果是视频文件返回 True
+    """
+    video_extensions = ["mp4", "webm", "ogg", "mov", "avi", "mkv", "m4v"]
+    return get_file_extension(filename) in video_extensions
+
+
+def is_audio_file(filename: str) -> bool:
+    """
+    判断文件是否为音频
+
+    Args:
+        filename: 文件名
+
+    Returns:
+        如果是音频文件返回 True
+    """
+    audio_extensions = ["mp3", "wav", "ogg", "m4a", "aac", "flac", "opus", "weba"]
+    return get_file_extension(filename) in audio_extensions