public string GetExcel(HttpContext context) { string address = HandlerCommon.ExportExcel(context); ///ENTITY_NAME string entityName = context.Request["ENTITY_NAME"]; if (HttpCommon.IsNullOrEmptyOrUndefined(entityName)) { throw new Exception("MC:1x00000030");///参数获取错误 } return(address + "&" + entityName); }