php学习笔记之面向对象编程

复制代码 代码如下:<?phpclass db {     private $mysqli; //数据库连接     private $options; //SQL选项     private $tableName; //表名     public function __construct($tabName) {         $this->tableName = $tabName;         $this->db ();     }     private function db() {         $this->mysqli = new mysqli ( ‘localhost’,