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55 lines
1.4 KiB
55 lines
1.4 KiB
package model
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import (
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"fmt"
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"godo/libs"
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"io"
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"log"
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"net/http"
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"os"
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"path/filepath"
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)
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type DownserverStucct struct {
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Path string `json:"path"`
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}
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func DownServerHandler(w http.ResponseWriter, r *http.Request) {
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filePath := r.URL.Query().Get("path")
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//log.Printf("imagePath: %s", imagePath)
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// 检查路径是否为空或无效
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if filePath == "" {
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http.Error(w, "Invalid file path", http.StatusBadRequest)
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return
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}
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if !libs.PathExists(filePath) {
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http.Error(w, "File not found", http.StatusNotFound)
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return
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}
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// 获取文件信息以获取文件大小
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fileInfo, err := os.Stat(filePath)
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if err != nil {
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log.Printf("Error getting file info: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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// 设置响应头,指示浏览器以附件形式下载文件
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w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, filepath.Base(filePath)))
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w.Header().Set("Content-Type", "application/octet-stream")
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w.Header().Set("Content-Length", fmt.Sprintf("%d", fileInfo.Size()))
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// 读取文件并写入响应体
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file, err := os.Open(filePath)
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if err != nil {
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log.Printf("Error opening file: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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defer file.Close()
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_, err = io.Copy(w, file)
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if err != nil {
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log.Printf("Error copying file to response: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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}
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}
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