private void ReportFile(HttpContext context) { string _refilepath = ContextRequest.GetQueryString("ReFilePath"); //取得返回的对象名称 string _upfilepath = ContextRequest.GetQueryString("UpFilePath"); //取得上传的对象名称 string _delfile = ContextRequest.GetString(_refilepath); HttpPostedFile _upfile = context.Request.Files[_upfilepath]; 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.ExcelFileSaveAs(_upfile, true); //删除已存在的旧文件 Utils.DeleteUpFile(_delfile); //返回成功信息 context.Response.Write(msg); context.Response.End(); }