摘要：obj)){ $this->obj[] = $observer; } } /** * @desc 取消观察者观察 * **/ public function detach($observer){ $key = array_search($observer, $this->obj); ... 阅读全文

摘要：name = $name; } public function getName(){ return $this->name; } } $single1 = single::getIns(); $single2 = single::getIns(); $single1->setName('hello world!'); $single2->setName('hello php!... 阅读全文

摘要：getDb('mysql'); $db->conn(); //测试结果输出：恭喜您，mysql数据库连接成功 阅读全文