544 lines
15 KiB
Go
544 lines
15 KiB
Go
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package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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)
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// Response 统一响应结构
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type Response struct {
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Success bool `json:"success"`
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Message string `json:"message"`
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Data interface{} `json:"data,omitempty"`
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}
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// 任务状态
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type TaskStatus struct {
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Running bool `json:"running"`
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Progress int `json:"progress"`
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Message string `json:"message"`
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Error string `json:"error,omitempty"`
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}
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var currentTask = &TaskStatus{Running: false}
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func main() {
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// 启用CORS
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http.HandleFunc("/", corsMiddleware(handleRoot))
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http.HandleFunc("/api/homepage/extract", corsMiddleware(extractHomepageHandler))
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http.HandleFunc("/api/article/download", corsMiddleware(downloadArticleHandler))
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http.HandleFunc("/api/article/list", corsMiddleware(getArticleListHandler))
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http.HandleFunc("/api/article/batch", corsMiddleware(batchDownloadHandler))
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http.HandleFunc("/api/data/list", corsMiddleware(getDataListHandler))
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http.HandleFunc("/api/task/status", corsMiddleware(getTaskStatusHandler))
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http.HandleFunc("/api/download/", corsMiddleware(downloadFileHandler))
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port := ":8080"
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fmt.Println("===============================================")
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fmt.Println(" 🚀 微信公众号文章爬虫 API 服务器")
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fmt.Println("===============================================")
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fmt.Printf("🌐 服务地址: http://localhost%s\n", port)
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fmt.Printf("⏰ 启动时间: %s\n", time.Now().Format("2006-01-02 15:04:05"))
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fmt.Println("===============================================\n")
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if err := http.ListenAndServe(port, nil); err != nil {
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log.Fatal("服务器启动失败:", err)
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}
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}
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// CORS中间件
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func corsMiddleware(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
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if r.Method == "OPTIONS" {
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w.WriteHeader(http.StatusOK)
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return
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}
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next(w, r)
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}
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}
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// 首页处理
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func handleRoot(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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html := `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>微信公众号文章爬虫 API</title>
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<style>
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body { font-family: Arial, sans-serif; max-width: 800px; margin: 50px auto; padding: 20px; }
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h1 { color: #333; }
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.endpoint { background: #f5f5f5; padding: 10px; margin: 10px 0; border-radius: 5px; }
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.method { color: #4CAF50; font-weight: bold; }
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</style>
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</head>
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<body>
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<h1>🚀 微信公众号文章爬虫 API 服务器</h1>
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<p>当前时间: ` + time.Now().Format("2006-01-02 15:04:05") + `</p>
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<h2>可用接口:</h2>
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<div class="endpoint">
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<span class="method">POST</span> /api/homepage/extract - 提取公众号主页
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</div>
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<div class="endpoint">
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<span class="method">POST</span> /api/article/download - 下载单篇文章
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</div>
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<div class="endpoint">
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<span class="method">POST</span> /api/article/list - 获取文章列表
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</div>
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<div class="endpoint">
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<span class="method">POST</span> /api/article/batch - 批量下载文章
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</div>
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<div class="endpoint">
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<span class="method">GET</span> /api/data/list - 获取数据列表
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</div>
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<div class="endpoint">
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<span class="method">GET</span> /api/task/status - 获取任务状态
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</div>
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</body>
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</html>
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`
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w.Write([]byte(html))
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}
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// 提取公众号主页
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func extractHomepageHandler(w http.ResponseWriter, r *http.Request) {
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var req struct {
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URL string `json:"url"`
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}
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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writeJSON(w, Response{Success: false, Message: "请求参数错误"})
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return
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}
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// 执行命令（使用绝对路径）
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exePath := filepath.Join("..", "wechat-crawler.exe")
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absPath, _ := filepath.Abs(exePath)
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log.Printf("尝试执行: %s", absPath)
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cmd := exec.Command(absPath, req.URL)
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workDir, _ := filepath.Abs("..")
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cmd.Dir = workDir
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output, err := cmd.CombinedOutput()
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if err != nil {
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log.Printf("执行失败: %v, 输出: %s", err, string(output))
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writeJSON(w, Response{Success: false, Message: "执行失败: " + string(output)})
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return
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}
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// 从输出中提取公众号主页链接
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outputStr := string(output)
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lines := strings.Split(outputStr, "\n")
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var homepageURL string
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for _, line := range lines {
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if strings.Contains(line, "公众号主页链接") || strings.Contains(line, "https://mp.weixin.qq.com/mp/profile_ext") {
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// 提取URL
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if idx := strings.Index(line, "https://"); idx != -1 {
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homepageURL = strings.TrimSpace(line[idx:])
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break
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}
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}
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}
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if homepageURL == "" {
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writeJSON(w, Response{Success: false, Message: "未能提取到主页链接"})
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return
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}
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writeJSON(w, Response{
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Success: true,
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Message: "提取成功",
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Data: map[string]string{
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"homepage": homepageURL,
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"output": outputStr,
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},
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})
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}
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// 下载单篇文章（这里需要实现具体逻辑）
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func downloadArticleHandler(w http.ResponseWriter, r *http.Request) {
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var req struct {
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URL string `json:"url"`
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SaveImage bool `json:"save_image"`
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SaveContent bool `json:"save_content"`
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}
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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writeJSON(w, Response{Success: false, Message: "请求参数错误"})
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return
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}
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currentTask.Running = true
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currentTask.Progress = 0
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currentTask.Message = "正在下载文章..."
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// 注意：这里需要实际调用爬虫的下载功能
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// 由于当前后端程序没有单独的下载单篇文章的命令行接口
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// 需要后续实现或使用其他方式
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writeJSON(w, Response{
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Success: true,
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Message: "下载任务已启动",
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Data: map[string]interface{}{
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"url": req.URL,
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},
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})
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}
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// 获取文章列表
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func getArticleListHandler(w http.ResponseWriter, r *http.Request) {
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var req struct {
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AccessToken string `json:"access_token"`
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Pages int `json:"pages"`
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}
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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writeJSON(w, Response{Success: false, Message: "请求参数错误"})
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return
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}
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currentTask.Running = true
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currentTask.Progress = 0
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currentTask.Message = "正在获取文章列表..."
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// 同步执行爬虫程序（功能3）
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exePath := filepath.Join("..", "wechat-crawler.exe")
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absPath, _ := filepath.Abs(exePath)
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workDir, _ := filepath.Abs("..")
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log.Printf("启动功能3: %s, 工作目录: %s", absPath, workDir)
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cmd := exec.Command(absPath)
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cmd.Dir = workDir
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// 创建输入管道
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stdin, err := cmd.StdinPipe()
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if err != nil {
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log.Printf("创建输入管道失败: %v", err)
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currentTask.Running = false
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writeJSON(w, Response{Success: false, Message: "创建输入管道失败: " + err.Error()})
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return
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}
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// 启动命令
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if err := cmd.Start(); err != nil {
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log.Printf("启动命令失败: %v", err)
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currentTask.Running = false
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writeJSON(w, Response{Success: false, Message: "启动命令失败: " + err.Error()})
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return
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}
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// 发送选项"3"（功能3：通过access_token获取文章列表）
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fmt.Fprintln(stdin, "3")
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fmt.Fprintln(stdin, req.AccessToken)
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if req.Pages > 0 {
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fmt.Fprintf(stdin, "%d\n", req.Pages)
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} else {
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fmt.Fprintln(stdin, "0")
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}
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stdin.Close()
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// 等待命令完成
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if err := cmd.Wait(); err != nil {
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log.Printf("命令执行失败: %v", err)
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currentTask.Running = false
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writeJSON(w, Response{Success: false, Message: "命令执行失败: " + err.Error()})
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return
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}
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currentTask.Running = false
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currentTask.Progress = 100
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currentTask.Message = "文章列表获取完成"
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// 查找生成的文件并返回下载链接
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dataDir := "../data"
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entries, err := os.ReadDir(dataDir)
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if err != nil {
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writeJSON(w, Response{Success: false, Message: "读取数据目录失败: " + err.Error()})
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return
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}
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// 查找最新创建的公众号目录
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var latestDir string
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var latestTime time.Time
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for _, entry := range entries {
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if entry.IsDir() && entry.Name() != "." && entry.Name() != ".." {
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info, _ := entry.Info()
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if info.ModTime().After(latestTime) {
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latestTime = info.ModTime()
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latestDir = entry.Name()
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}
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}
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}
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if latestDir == "" {
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writeJSON(w, Response{Success: false, Message: "未找到生成的数据目录"})
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return
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}
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log.Printf("找到最新目录: %s", latestDir)
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// 查找文章列表文件（优先查找直连链接文件）
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accountPath := filepath.Join(dataDir, latestDir)
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files, err := os.ReadDir(accountPath)
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if err != nil {
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writeJSON(w, Response{Success: false, Message: "读取公众号目录失败: " + err.Error()})
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return
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}
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var excelFile string
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// 优先查找直连链接文件（.xlsx或.txt）
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for _, file := range files {
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if !file.IsDir() && strings.Contains(file.Name(), "直连链接") {
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if strings.HasSuffix(file.Name(), ".xlsx") || strings.HasSuffix(file.Name(), ".txt") {
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excelFile = file.Name()
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log.Printf("找到直连链接文件: %s", excelFile)
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break
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}
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}
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}
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// 如果没有直连链接文件，查找原始链接文件
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if excelFile == "" {
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for _, file := range files {
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if !file.IsDir() && strings.Contains(file.Name(), "原始链接") {
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if strings.HasSuffix(file.Name(), ".xlsx") || strings.HasSuffix(file.Name(), ".txt") {
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excelFile = file.Name()
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log.Printf("找到原始链接文件: %s", excelFile)
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break
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}
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}
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}
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}
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// 如果还是没有，查找任何文章列表文件
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if excelFile == "" {
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for _, file := range files {
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if !file.IsDir() && strings.Contains(file.Name(), "文章列表") {
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if strings.HasSuffix(file.Name(), ".xlsx") || strings.HasSuffix(file.Name(), ".txt") {
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excelFile = file.Name()
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log.Printf("找到文章列表文件: %s", excelFile)
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break
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}
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}
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}
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}
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|
|
|||
|
|
if excelFile == "" {
|
|||
|
|
// 列出所有文件用于调试
|
|||
|
|
var fileList []string
|
|||
|
|
for _, file := range files {
|
|||
|
|
fileList = append(fileList, file.Name())
|
|||
|
|
}
|
|||
|
|
log.Printf("目录 %s 中的文件: %v", latestDir, fileList)
|
|||
|
|
writeJSON(w, Response{Success: false, Message: "未找到Excel文件，目录中的文件: " + strings.Join(fileList, ", ")})
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
writeJSON(w, Response{
|
|||
|
|
Success: true,
|
|||
|
|
Message: "文章列表获取成功",
|
|||
|
|
Data: map[string]interface{}{
|
|||
|
|
"account": latestDir,
|
|||
|
|
"filename": excelFile,
|
|||
|
|
"download": fmt.Sprintf("/download/%s/%s", latestDir, excelFile),
|
|||
|
|
},
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 批量下载文章
|
|||
|
|
func batchDownloadHandler(w http.ResponseWriter, r *http.Request) {
|
|||
|
|
var req struct {
|
|||
|
|
OfficialAccount string `json:"official_account"`
|
|||
|
|
SaveImage bool `json:"save_image"`
|
|||
|
|
SaveContent bool `json:"save_content"`
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
|
|||
|
|
writeJSON(w, Response{Success: false, Message: "请求参数错误"})
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
currentTask.Running = true
|
|||
|
|
currentTask.Progress = 0
|
|||
|
|
currentTask.Message = "正在批量下载文章..."
|
|||
|
|
|
|||
|
|
// 同步执行爬虫程序（功能5）
|
|||
|
|
exePath := filepath.Join("..", "wechat-crawler.exe")
|
|||
|
|
absPath, _ := filepath.Abs(exePath)
|
|||
|
|
workDir, _ := filepath.Abs("..")
|
|||
|
|
|
|||
|
|
log.Printf("启动功能5: %s, 工作目录: %s", absPath, workDir)
|
|||
|
|
cmd := exec.Command(absPath)
|
|||
|
|
cmd.Dir = workDir
|
|||
|
|
|
|||
|
|
// 创建输入管道
|
|||
|
|
stdin, err := cmd.StdinPipe()
|
|||
|
|
if err != nil {
|
|||
|
|
log.Printf("创建输入管道失败: %v", err)
|
|||
|
|
currentTask.Running = false
|
|||
|
|
writeJSON(w, Response{Success: false, Message: "创建输入管道失败: " + err.Error()})
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 启动命令
|
|||
|
|
if err := cmd.Start(); err != nil {
|
|||
|
|
log.Printf("启动命令失败: %v", err)
|
|||
|
|
currentTask.Running = false
|
|||
|
|
writeJSON(w, Response{Success: false, Message: "启动命令失败: " + err.Error()})
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 发送选项"5"（功能5：批量下载）
|
|||
|
|
fmt.Fprintln(stdin, "5")
|
|||
|
|
fmt.Fprintln(stdin, req.OfficialAccount)
|
|||
|
|
|
|||
|
|
// 是否保存图片
|
|||
|
|
if req.SaveImage {
|
|||
|
|
fmt.Fprintln(stdin, "y")
|
|||
|
|
} else {
|
|||
|
|
fmt.Fprintln(stdin, "n")
|
|||
|
|
}
|
|||
|
|
stdin.Close()
|
|||
|
|
|
|||
|
|
// 等待命令完成
|
|||
|
|
if err := cmd.Wait(); err != nil {
|
|||
|
|
log.Printf("命令执行失败: %v", err)
|
|||
|
|
currentTask.Running = false
|
|||
|
|
writeJSON(w, Response{Success: false, Message: "命令执行失败: " + err.Error()})
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
currentTask.Running = false
|
|||
|
|
currentTask.Progress = 100
|
|||
|
|
currentTask.Message = "批量下载完成"
|
|||
|
|
|
|||
|
|
// 统计下载的文章数量
|
|||
|
|
accountPath := filepath.Join("../data", req.OfficialAccount, "文章详细")
|
|||
|
|
var articleCount int
|
|||
|
|
if entries, err := os.ReadDir(accountPath); err == nil {
|
|||
|
|
articleCount = len(entries)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
writeJSON(w, Response{
|
|||
|
|
Success: true,
|
|||
|
|
Message: fmt.Sprintf("批量下载完成，共下载 %d 篇文章", articleCount),
|
|||
|
|
Data: map[string]interface{}{
|
|||
|
|
"account": req.OfficialAccount,
|
|||
|
|
"articleCount": articleCount,
|
|||
|
|
"path": accountPath,
|
|||
|
|
},
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 获取数据列表
|
|||
|
|
func getDataListHandler(w http.ResponseWriter, r *http.Request) {
|
|||
|
|
dataDir := "../data"
|
|||
|
|
var accounts []map[string]interface{}
|
|||
|
|
|
|||
|
|
entries, err := os.ReadDir(dataDir)
|
|||
|
|
if err != nil {
|
|||
|
|
// 如果目录不存在，返回空列表而不是错误
|
|||
|
|
writeJSON(w, Response{
|
|||
|
|
Success: true,
|
|||
|
|
Data: accounts,
|
|||
|
|
})
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for _, entry := range entries {
|
|||
|
|
if entry.IsDir() {
|
|||
|
|
accountPath := filepath.Join(dataDir, entry.Name())
|
|||
|
|
|
|||
|
|
// 统计文章数量
|
|||
|
|
detailPath := filepath.Join(accountPath, "文章详细")
|
|||
|
|
var articleCount int
|
|||
|
|
if detailEntries, err := os.ReadDir(detailPath); err == nil {
|
|||
|
|
articleCount = len(detailEntries)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 获取最后更新时间
|
|||
|
|
info, _ := entry.Info()
|
|||
|
|
lastUpdate := info.ModTime().Format("2006-01-02")
|
|||
|
|
|
|||
|
|
accounts = append(accounts, map[string]interface{}{
|
|||
|
|
"name": entry.Name(),
|
|||
|
|
"articleCount": articleCount,
|
|||
|
|
"path": accountPath,
|
|||
|
|
"lastUpdate": lastUpdate,
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
writeJSON(w, Response{
|
|||
|
|
Success: true,
|
|||
|
|
Data: accounts,
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 获取任务状态
|
|||
|
|
func getTaskStatusHandler(w http.ResponseWriter, r *http.Request) {
|
|||
|
|
writeJSON(w, Response{
|
|||
|
|
Success: true,
|
|||
|
|
Data: currentTask,
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 下载文件处理
|
|||
|
|
func downloadFileHandler(w http.ResponseWriter, r *http.Request) {
|
|||
|
|
// 从 URL 中提取路径 /api/download/公众号名称/文件名
|
|||
|
|
path := strings.TrimPrefix(r.URL.Path, "/api/download/")
|
|||
|
|
parts := strings.SplitN(path, "/", 2)
|
|||
|
|
|
|||
|
|
if len(parts) != 2 {
|
|||
|
|
http.Error(w, "路径错误", http.StatusBadRequest)
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
accountName := parts[0]
|
|||
|
|
filename := parts[1]
|
|||
|
|
|
|||
|
|
// 构建完整文件路径
|
|||
|
|
filePath := filepath.Join("..", "data", accountName, filename)
|
|||
|
|
absPath, _ := filepath.Abs(filePath)
|
|||
|
|
|
|||
|
|
// 检查文件是否存在
|
|||
|
|
if _, err := os.Stat(absPath); os.IsNotExist(err) {
|
|||
|
|
http.Error(w, "文件不存在", http.StatusNotFound)
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
log.Printf("下载文件: %s", absPath)
|
|||
|
|
|
|||
|
|
// 设置响应头
|
|||
|
|
contentType := "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
|
|||
|
|
if strings.HasSuffix(filename, ".txt") {
|
|||
|
|
contentType = "text/plain; charset=utf-8"
|
|||
|
|
}
|
|||
|
|
w.Header().Set("Content-Type", contentType)
|
|||
|
|
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename*=UTF-8''%s", filename))
|
|||
|
|
|
|||
|
|
// 发送文件
|
|||
|
|
http.ServeFile(w, r, absPath)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 写入JSON响应
|
|||
|
|
func writeJSON(w http.ResponseWriter, data interface{}) {
|
|||
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|||
|
|
json.NewEncoder(w).Encode(data)
|
|||
|
|
}
|