574 lines
17 KiB
Markdown
574 lines
17 KiB
Markdown
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# Plugin Design (Crawlful Hub)
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> **定位**:Crawlful Hub 浏览器插件架构设计文档 - 包含技术栈、目录结构、核心功能及开发规范。
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> **更新日期**: 2026-03-18
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> **最高优先级参考**: [Business_ClosedLoops.md](../00_Business/Business_ClosedLoops.md)
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---
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## 1. 技术栈 (Tech Stack)
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| 层级 | 技术 | 版本 | 用途 |
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|------|------|------|------|
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| **Framework** | WebExtensions API | MV3 | 浏览器扩展标准 |
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| **Language** | TypeScript | 5.x | 开发语言 |
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| **Build Tool** | Vite | 5.x | 构建工具 |
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| **Bundler** | Rollup | 4.x | 代码打包 |
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| **UI** | React + Tailwind | 18.x + 3.x | 弹窗/选项页 UI |
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| **Testing** | Vitest | 1.x | 单元测试 |
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---
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## 2. 目录结构 (Directory Structure)
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```
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extension/
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│
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├─ manifest.json # 扩展清单 (MV3)
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│
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├─ src/
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│ │
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│ ├─ background/ # Service Worker (后台脚本)
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│ │ ├─ index.ts # 入口
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│ │ ├─ handlers/
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│ │ │ ├─ messageHandler.ts # 消息处理
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│ │ │ ├─ alarmHandler.ts # 定时任务
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│ │ │ └─ commandHandler.ts # 快捷键处理
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│ │ └─ services/
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│ │ ├─ crawlerService.ts # 网页采集服务(无API平台)
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│ │ ├─ syncService.ts # 同步服务
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│ │ └─ authService.ts # 认证服务
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│ │
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│ ├─ content/ # 内容脚本 (注入页面)
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│ │ ├─ index.ts # 入口
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│ │ ├─ crawlers/ # 采集器
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│ │ │ ├─ amazonCrawler.ts
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│ │ │ ├─ ebayCrawler.ts
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│ │ │ ├─ shopifyCrawler.ts
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│ │ │ └─ aliexpressCrawler.ts
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│ │ ├─ automation/ # 自动化操作
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│ │ │ ├─ listingAutomation.ts
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│ │ │ ├─ orderAutomation.ts
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│ │ │ └─ adAutomation.ts
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│ │ └─ utils/
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│ │ ├─ domUtils.ts
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│ │ ├─ selectorUtils.ts
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│ │ └─ eventUtils.ts
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│ │
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│ ├─ popup/ # 弹窗页面
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│ │ ├─ index.tsx
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│ │ ├─ components/
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│ │ │ ├─ QuickActions.tsx
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│ │ │ ├─ StatusPanel.tsx
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│ │ │ └─ RecentTasks.tsx
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│ │ └─ hooks/
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│ │ └─ useBackground.ts
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│ │
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│ ├─ options/ # 选项页面
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│ │ ├─ index.tsx
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│ │ ├─ components/
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│ │ │ ├─ GeneralSettings.tsx
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│ │ │ ├─ PlatformSettings.tsx
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│ │ │ ├─ AccountSettings.tsx
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│ │ │ └─ AdvancedSettings.tsx
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│ │ └─ stores/
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│ │ └─ settingsStore.ts
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│ │
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│ ├─ shared/ # 共享资源
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│ │ ├─ types/
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│ │ │ ├─ messaging.ts # 消息类型定义
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│ │ │ ├─ crawler.ts # 采集类型
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│ │ │ └─ platform.ts # 平台类型
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│ │ ├─ constants/
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│ │ │ ├─ platforms.ts # 平台常量
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│ │ │ └─ selectors.ts # 选择器常量
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│ │ └─ utils/
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│ │ ├─ logger.ts
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│ │ ├─ storage.ts
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│ │ └─ crypto.ts
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│ │
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│ └─ injected/ # 注入脚本 (隔离环境)
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│ ├─ index.ts
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│ └─ services/
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│ └─ bridgeService.ts
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│
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├─ assets/ # 静态资源
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│ ├─ icons/
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│ │ ├─ icon-16.png
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│ │ ├─ icon-32.png
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│ │ ├─ icon-48.png
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│ │ └─ icon-128.png
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│ └─ styles/
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│ └─ global.css
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│
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├─ _locales/ # 国际化
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│ ├─ en/
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│ │ └─ messages.json
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│ └─ zh_CN/
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│ └─ messages.json
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│
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└─ dist/ # 构建输出
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```
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---
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## 3. 架构设计 (Architecture)
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### 3.1 核心组件关系
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```
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┌─────────────────────────────────────────────────────────────┐
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│ Browser Extension │
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├─────────────────────────────────────────────────────────────┤
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│ │
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│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
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│ │ Popup │ │ Options │ │ Content │ │
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│ │ (UI) │◄───►│ (Settings) │◄───►│ (Page) │ │
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│ └──────┬───────┘ └──────┬───────┘ └──────┬───────┘ │
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│ │ │ │ │
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│ └────────────────────┼────────────────────┘ │
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│ │ │
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│ ▼ │
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│ ┌──────────────────┐ │
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│ │ Service Worker │ │
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│ │ (Background) │ │
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│ └────────┬─────────┘ │
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│ │ │
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│ ┌───────────────────┼───────────────────┐ │
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│ ▼ ▼ ▼ │
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│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
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│ │ Crawler │ │ Sync │ │ Auth │ │
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│ │ Engine │ │ Engine │ │ Engine │ │
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│ └──────────────┘ └──────────────┘ └──────────────┘ │
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│ │
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└─────────────────────────────────────────────────────────────┘
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```
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### 3.2 通信机制
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#### 消息类型 (Messaging Types)
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```typescript
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// src/shared/types/messaging.ts
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export enum MessageType {
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// 采集相关
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CRAWL_PRODUCT = 'CRAWL_PRODUCT',
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CRAWL_ORDER = 'CRAWL_ORDER',
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CRAWL_COMPLETE = 'CRAWL_COMPLETE',
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// 自动化相关
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AUTO_LISTING = 'AUTO_LISTING',
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AUTO_ORDER = 'AUTO_ORDER',
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AUTO_AD = 'AUTO_AD',
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// 同步相关
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SYNC_DATA = 'SYNC_DATA',
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SYNC_STATUS = 'SYNC_STATUS',
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// 认证相关
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AUTH_LOGIN = 'AUTH_LOGIN',
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AUTH_LOGOUT = 'AUTH_LOGOUT',
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AUTH_REFRESH = 'AUTH_REFRESH',
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// 设置相关
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GET_SETTINGS = 'GET_SETTINGS',
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SET_SETTINGS = 'SET_SETTINGS',
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// 任务相关
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TASK_STATUS = 'TASK_STATUS',
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TASK_RESULT = 'TASK_RESULT',
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}
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export interface MessagePayload {
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type: MessageType;
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data?: any;
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error?: string;
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traceId?: string;
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}
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```
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#### 通信流程
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```
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Content Script ──► Background Service Worker ──► Backend API
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│ │
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│◄─────────────────────┘
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│
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Popup/Options ◄─── Chrome Storage
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```
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---
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## 4. 核心功能模块
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### 4.1 数据采集模块 (Crawler)
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**功能定位**
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- 从各电商平台采集商品、订单数据
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- **仅处理无API平台**:TikTok Shop, Temu, 部分1688页面等
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- **有API平台由后端处理**:Amazon MWS, eBay API, Shopee Open API
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- 支持沙箱模式(测试环境)
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**采集策略矩阵**
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| 平台 | 类型 | 采集方式 | 登录要求 | 反爬策略 |
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|------|------|----------|----------|----------|
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| Amazon | 有API | ❌ 后端处理 | OAuth | API限流 |
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| eBay | 有API | ❌ 后端处理 | OAuth | API限流 |
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| Shopee | 有API | ❌ 后端处理 | OAuth | API限流 |
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| TikTok Shop | 无API | ✅ 插件采集 | 需登录 | 指纹隔离+代理IP |
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| Temu | 无API | ✅ 插件采集 | 需登录 | 指纹隔离+代理IP |
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| 1688(部分) | 无API | ✅ 插件采集 | 可选 | 频率控制 |
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**⚠️ 重要约束**
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- **后端严禁直接爬取**(IP封禁风险、法律合规问题)
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- 所有网页级采集必须通过插件在用户浏览器端执行
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- 插件必须实现店铺隔离(一店一IP一指纹)
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**采集器实现**
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```typescript
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// src/content/crawlers/amazonCrawler.ts
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export class AmazonCrawler {
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private selectors = {
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title: '#productTitle',
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price: '.a-price-whole, .a-offscreen',
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images: '#landingImage, .a-dynamic-image',
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description: '#feature-bullets, #productDescription',
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reviews: '#acrCustomerReviewText',
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};
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async crawlProduct(): Promise<ProductData> {
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const title = this.extractText(this.selectors.title);
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const price = this.extractPrice(this.selectors.price);
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const images = this.extractImages(this.selectors.images);
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const description = this.extractText(this.selectors.description);
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return {
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platform: 'AMAZON',
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title,
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price,
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images,
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description,
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url: window.location.href,
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crawledAt: new Date().toISOString(),
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};
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}
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private extractText(selector: string): string {
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const element = document.querySelector(selector);
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return element?.textContent?.trim() || '';
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}
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private extractPrice(selector: string): number {
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const element = document.querySelector(selector);
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const text = element?.textContent?.replace(/[^\d.]/g, '') || '0';
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return parseFloat(text);
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}
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private extractImages(selector: string): string[] {
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const elements = document.querySelectorAll(selector);
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return Array.from(elements)
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.map(el => el.getAttribute('src') || el.getAttribute('data-src'))
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.filter(Boolean) as string[];
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}
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}
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```
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**采集流程**
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```
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1. 用户点击采集按钮 / 定时任务触发
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2. Content Script 注入采集器
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3. 采集器解析 DOM 提取数据
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4. 数据发送至 Background
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5. Background 发送至后端 API
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6. 返回采集结果
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```
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### 4.2 自动化操作模块 (Automation)
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**功能定位**
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- 自动刊登商品
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- 自动处理订单
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- 自动投放广告
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**自动化实现**
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```typescript
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// src/content/automation/listingAutomation.ts
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export class ListingAutomation {
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async autoListing(productData: ProductData, platform: string): Promise<boolean> {
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switch (platform) {
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case 'AMAZON':
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return this.listOnAmazon(productData);
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case 'EBAY':
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return this.listOnEbay(productData);
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case 'SHOPIFY':
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return this.listOnShopify(productData);
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default:
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throw new Error(`Unsupported platform: ${platform}`);
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}
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}
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private async listOnAmazon(product: ProductData): Promise<boolean> {
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// 1. 导航到刊登页面
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await this.navigateTo('/inventory/add');
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// 2. 填写商品信息
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await this.fillInput('#title', product.title);
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await this.fillInput('#price', product.price.toString());
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await this.fillTextarea('#description', product.description);
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// 3. 上传图片
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for (const imageUrl of product.images) {
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await this.uploadImage(imageUrl);
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}
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// 4. 提交刊登
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await this.click('#submit-button');
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// 5. 等待结果
|
|||
|
|
return this.waitForSuccess();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private async navigateTo(path: string): Promise<void> {
|
|||
|
|
window.location.href = `https://sellercentral.amazon.com${path}`;
|
|||
|
|
await this.waitForElement('#title', 10000);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private async fillInput(selector: string, value: string): Promise<void> {
|
|||
|
|
const input = document.querySelector(selector) as HTMLInputElement;
|
|||
|
|
if (input) {
|
|||
|
|
input.value = value;
|
|||
|
|
input.dispatchEvent(new Event('input', { bubbles: true }));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private async waitForElement(selector: string, timeout: number): Promise<void> {
|
|||
|
|
return new Promise((resolve, reject) => {
|
|||
|
|
const startTime = Date.now();
|
|||
|
|
const check = () => {
|
|||
|
|
if (document.querySelector(selector)) {
|
|||
|
|
resolve();
|
|||
|
|
} else if (Date.now() - startTime > timeout) {
|
|||
|
|
reject(new Error('Timeout waiting for element'));
|
|||
|
|
} else {
|
|||
|
|
setTimeout(check, 100);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
check();
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 4.3 数据同步模块 (Sync)
|
|||
|
|
|
|||
|
|
**功能定位**
|
|||
|
|
- 定时同步订单数据
|
|||
|
|
- 同步库存状态
|
|||
|
|
- 同步广告数据
|
|||
|
|
|
|||
|
|
**同步配置**
|
|||
|
|
|
|||
|
|
```typescript
|
|||
|
|
// src/background/services/syncService.ts
|
|||
|
|
|
|||
|
|
export class SyncService {
|
|||
|
|
private syncIntervals: Record<string, number> = {
|
|||
|
|
orders: 5 * 60 * 1000, // 5分钟
|
|||
|
|
inventory: 10 * 60 * 1000, // 10分钟
|
|||
|
|
ads: 30 * 60 * 1000, // 30分钟
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
async startSync(): Promise<void> {
|
|||
|
|
// 创建定时任务
|
|||
|
|
chrome.alarms.create('syncOrders', { periodInMinutes: 5 });
|
|||
|
|
chrome.alarms.create('syncInventory', { periodInMinutes: 10 });
|
|||
|
|
chrome.alarms.create('syncAds', { periodInMinutes: 30 });
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
async handleAlarm(alarmName: string): Promise<void> {
|
|||
|
|
switch (alarmName) {
|
|||
|
|
case 'syncOrders':
|
|||
|
|
await this.syncOrders();
|
|||
|
|
break;
|
|||
|
|
case 'syncInventory':
|
|||
|
|
await this.syncInventory();
|
|||
|
|
break;
|
|||
|
|
case 'syncAds':
|
|||
|
|
await this.syncAds();
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private async syncOrders(): Promise<void> {
|
|||
|
|
const platforms = await this.getEnabledPlatforms();
|
|||
|
|
for (const platform of platforms) {
|
|||
|
|
try {
|
|||
|
|
const orders = await this.crawlOrders(platform);
|
|||
|
|
await this.sendToBackend('/api/v1/orders/sync', orders);
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error(`Failed to sync orders for ${platform}:`, error);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 5. 安全与隐私
|
|||
|
|
|
|||
|
|
### 5.1 数据存储
|
|||
|
|
|
|||
|
|
```typescript
|
|||
|
|
// src/shared/utils/storage.ts
|
|||
|
|
|
|||
|
|
export class SecureStorage {
|
|||
|
|
// 存储敏感数据(加密)
|
|||
|
|
static async setSecure(key: string, value: string): Promise<void> {
|
|||
|
|
const encrypted = await this.encrypt(value);
|
|||
|
|
await chrome.storage.local.set({ [key]: encrypted });
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 读取敏感数据(解密)
|
|||
|
|
static async getSecure(key: string): Promise<string | null> {
|
|||
|
|
const result = await chrome.storage.local.get(key);
|
|||
|
|
if (result[key]) {
|
|||
|
|
return this.decrypt(result[key]);
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 存储普通数据
|
|||
|
|
static async set(key: string, value: any): Promise<void> {
|
|||
|
|
await chrome.storage.local.set({ [key]: value });
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 读取普通数据
|
|||
|
|
static async get(key: string): Promise<any> {
|
|||
|
|
const result = await chrome.storage.local.get(key);
|
|||
|
|
return result[key];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static async encrypt(text: string): Promise<string> {
|
|||
|
|
// 使用 Chrome 的加密 API
|
|||
|
|
// 实际实现需要更复杂的加密逻辑
|
|||
|
|
return btoa(text);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static async decrypt(encrypted: string): Promise<string> {
|
|||
|
|
return atob(encrypted);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 5.2 权限控制
|
|||
|
|
|
|||
|
|
```json
|
|||
|
|
// manifest.json
|
|||
|
|
{
|
|||
|
|
"manifest_version": 3,
|
|||
|
|
"name": "Crawlful Hub",
|
|||
|
|
"version": "1.0.0",
|
|||
|
|
"permissions": [
|
|||
|
|
"storage",
|
|||
|
|
"alarms",
|
|||
|
|
"activeTab",
|
|||
|
|
"scripting"
|
|||
|
|
],
|
|||
|
|
"host_permissions": [
|
|||
|
|
"https://sellercentral.amazon.com/*",
|
|||
|
|
"https://www.ebay.com/*",
|
|||
|
|
"https://*.myshopify.com/*",
|
|||
|
|
"https://*.tiktok.com/*"
|
|||
|
|
],
|
|||
|
|
"background": {
|
|||
|
|
"service_worker": "src/background/index.ts"
|
|||
|
|
},
|
|||
|
|
"content_scripts": [
|
|||
|
|
{
|
|||
|
|
"matches": [
|
|||
|
|
"https://sellercentral.amazon.com/*",
|
|||
|
|
"https://www.ebay.com/*"
|
|||
|
|
],
|
|||
|
|
"js": ["src/content/index.ts"]
|
|||
|
|
}
|
|||
|
|
],
|
|||
|
|
"action": {
|
|||
|
|
"default_popup": "src/popup/index.html"
|
|||
|
|
},
|
|||
|
|
"options_page": "src/options/index.html"
|
|||
|
|
}
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 6. 开发规范
|
|||
|
|
|
|||
|
|
### 6.1 代码规范
|
|||
|
|
|
|||
|
|
- 使用 TypeScript 严格模式
|
|||
|
|
- 使用函数式组件 + Hooks
|
|||
|
|
- 避免使用 `any` 类型
|
|||
|
|
- 所有消息类型必须在 `messaging.ts` 中定义
|
|||
|
|
|
|||
|
|
### 6.2 测试规范
|
|||
|
|
|
|||
|
|
```typescript
|
|||
|
|
// __tests__/crawler.test.ts
|
|||
|
|
import { AmazonCrawler } from '../src/content/crawlers/amazonCrawler';
|
|||
|
|
|
|||
|
|
describe('AmazonCrawler', () => {
|
|||
|
|
let crawler: AmazonCrawler;
|
|||
|
|
|
|||
|
|
beforeEach(() => {
|
|||
|
|
crawler = new AmazonCrawler();
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
test('should extract product title', async () => {
|
|||
|
|
// Mock DOM
|
|||
|
|
document.body.innerHTML = `
|
|||
|
|
<span id="productTitle">Test Product</span>
|
|||
|
|
`;
|
|||
|
|
|
|||
|
|
const product = await crawler.crawlProduct();
|
|||
|
|
expect(product.title).toBe('Test Product');
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 6.3 构建与发布
|
|||
|
|
|
|||
|
|
```bash
|
|||
|
|
# 开发模式
|
|||
|
|
npm run dev
|
|||
|
|
|
|||
|
|
# 生产构建
|
|||
|
|
npm run build
|
|||
|
|
|
|||
|
|
# 打包扩展
|
|||
|
|
npm run package
|
|||
|
|
|
|||
|
|
# 运行测试
|
|||
|
|
npm run test
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 7. 相关文档
|
|||
|
|
|
|||
|
|
- [DOM Interaction](./DOM_Interaction.md)
|
|||
|
|
- [Automation Scripts](./Automation_Scripts.md)
|
|||
|
|
- [Backend Design](../02_Backend/Backend_Design.md)
|
|||
|
|
- [Business ClosedLoops](../00_Business/Business_ClosedLoops.md)
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
*本文档基于业务闭环设计,最后更新: 2026-03-18*
|