golang文件下载

golang文件下载

func downloadFile(fileFullPath string,res *restful.Response) {
	file,err := os.Open(fileFullPath)

	if err != nil {
		res.WriteEntity(_dto.ErrorDto{Err: err})
		return
	}

	defer file.Close()
	fileName := path.Base(fileFullPath)
	fileName = url.QueryEscape(fileName) // 防止中文乱码
	res.AddHeader("Content-Type","application/octet-stream")
	res.AddHeader("content-disposition","attachment; filename=""+fileName+""")
	_,error := io.Copy(res.ResponseWriter,file)
	if error != nil {
		res.WriteErrorString(http.StatusInternalServerError,err.Error())
		return
	}
}

（编辑：李大同）

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