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