下载文件

  1. func Download(imageURL string) {
  2.     imgPath := "D:\\temp\\one\\"
  4.     fileName := path.Base(imageURL)
  6.     res, err := http.Get(imageURL)
  7.     if err != nil {
  8.         fmt.Println("A error occurred!")
  9.         return
  10.     }
  11.     defer res.Body.Close()
  12.     // 获得get请求响应的reader对象
  13.     reader := bufio.NewReaderSize(res.Body, 32*1024)
  15.     file, err := os.Create(imgPath + fileName + ".jpg")
  16.     if err != nil {
  17.         panic(err)
  18.     }
  19.     // 获得文件的writer对象
  20.     writer := bufio.NewWriter(file)
  22.     written, _ := io.Copy(writer, reader)
  23.     fmt.Printf("Total length: %d", written)
  24. }