Esempio n. 1
0
 /**
  * 初始化
  * @access public
  * @param string $type 输出类型
  * @return \think\Response
  */
 public static function instance($type = '')
 {
     if (is_null(self::$instance)) {
         self::$instance = new static($type);
     }
     return self::$instance;
 }