PHP面对对象设计模式之适配器模式

< ?php
 
// 微博登录类
class Weibo {
    public function weiboLogin($username,$password){
        echo $username.' is logining weibo with password '. $password. '<br>';
    }
}
 
// 微信登录类
class Weixin {
    public function weixinLogin($config){
        echo $config['username'].' is logining weixin with password '. $config['password']. '<br />';
    }
}
 
// 适配器接口
interface Adapter {
    public function login($username, $password);
}
 
// 微博适配器
class WeiboAdapter extends Weibo implements Adapter {
 
    public function login($username, $password) {
        $this->weiboLogin($username, $password);
    }
}
 
// 微信适配器
class WeixinAdapter extends WeiXin implements Adapter {
 
    public function login($username, $password) {
        $this->weixinLogin(['username'=>$username, 'password'=> $password]);
    }
}
 
// 用户类
class User {
    private $adapter;
 
    public function setAdapter(Adapter $adapter) {
        $this->adapter = $adapter;
    }
 
    public function login($username, $password){
        $this->adapter->login($username, $password);
    }
}
 
$user = new User();
// 实例化微博适配器
$adapter1 = new WeiboAdapter();
$adapter2 = new WeixinAdapter();
// 设置适配器
$user->setAdapter($adapter1);
$user->login('明凯博客', '123456');
$user->setAdapter($adapter2);
$user->login('明凯微信', '123456');