摘要: _bulb = $bulb; } public function execute() { $this->_bulb->turnOn(); } public function undo() { $this->_bulb->turnOff(); } public function redo() { ... 阅读全文
posted @ 2017-07-19 09:23 Bin_x 阅读(149) 评论(0) 推荐(0)