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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ### 實例 設計一個更好的,更靈活的.能使我們的異常可以被觀察 . 定義一個接口 ~~~ interface Exception_Observer{ public function update(Observer_Exception $observer_Exception); } ~~~ 定義一個觀察者模式的異常類 ~~~ class Observer_Exception extends Exception{ public static $observers = []; public function __construct(string $message = "", int $code = 0, Throwable $previous = null) { parent::__construct($message, $code, $previous); $this->notify(); } public static function attach(Exception_Observer $exception_Observer) { self::$observers[] = $exception_Observer; } public function notify() { foreach(self::$observers as $observer){ $observer->update($this); } } } ~~~ 未完
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