<?php
//数据访问对象模式描述了如何创建透明访问数据源的对象。
class BaseDao
{
private $db;
public function __construct($config)
{
$this->db = mysql_connect($config['user'], $config['pass'], $config['host']);
myswl_select_db($config['database'], $this->db);
}
public function query($sql)
{
return mysql_query($sql);
}
}
class UserDao extends BaseDao
{
public function addUser()
{
$sql = " INSERT INTO user (username) VALUES ('initphp'); ";
return $this->query($sql);
}
}
$config = array('user' => 'root', 'pass' => 'root', 'host' => 'localhost', 'database' => 'user');
$userDao = new UserDao($config);
$userDao->addUser();
