摘要: <?phpclass a { static public $obj; public function __construct(){ } static public function getInstance(){ if(empty(self::$obj)){ echo "执行实例化"; self::$obj = new a(); } return self::$obj; } public function test(){ return "111"; ... 阅读全文
posted @ 2012-05-10 23:31 ﹏Sakura 阅读(352) 评论(4) 推荐(0) 编辑