function __construct($id, $table_name) { parent::__construct($table_name); $this->sql = "SELECT * FROM `" . $table_name . "` WHERE `news_id`=" . $id; }
<?php require "data_operate.php"; if ($_REQUEST['operate_type'] === "select") { //创建操作对象 $request = new connect_query($_REQUEST['table_name']); //连接数据库 $request->connect_database(); //查询并返回最新状态 echo $request->select_new_data(); //关闭数据库连接 $request->close(); }