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 } }