private void GuidAudio(HttpContext context)
        {
            string _upfilepath = context.Request.QueryString["UpFilePath"]; //取得上传的对象名称
            HttpPostedFile _upfile = context.Request.Files[_upfilepath];
            bool _iswater = false; //默认不打水印
            bool _isthumbnail = false; //默认不生成缩略图

            if (_upfile == null)
            {
                context.Response.Write("{\"msg\": 0, \"msgbox\": \"请选择要上传文件!\"}");
                return;
            }
            UpLoad upFiles = new UpLoad();
            string msg = upFiles.fileSaveGuidAudioAs(_upfile, _isthumbnail, _iswater, false, true);
            //返回成功信息
            context.Response.Write(msg);
            context.Response.End();
        }