/**
*
* 构建消息返回值(失败)
*
* @param any $data
* 扩展包含数据
* @param int $code
* 代码
*
* @return CommonUtilReturnVar
*/
public static function RetFail($code = 0, $data = null, $code_string = '')
{
return CommonUtilReturnVar::Ret(false, $code, $data, $code_string);
}
