php桥接模式应用案例分析_php技巧_

 abstract class info{ public $msgClass = null; public function __construct($obj){ $this->msgClass = $obj; } abstract function msg(); public function send($to,$content){ return $this->msg() . $this->msgClass->send($to,$content); } } //QQ信息 class qq_msg{ public function send($to,$content){ return '【QQ消息】发送给：'.$to.'，内容：'.$content; } } //邮件信息 class email_msg{ public function send($to,$content){ return '【Email消息】发送给：'.$to.'，内容：'.$content; } } //短信消息 class sms_msg{ public function send($to,$content){ return '【短信消息】发送给：'.$to.'，内容：'.$content; } } //普通消息 class common_info extends info{ public function msg(){ return '【普通】'; } } //警告消息 class warning_info extends info{ public function msg(){ return '【警告】'; } } //危急消息 class danger_info extends info{ public function msg(){ return '【危急】'; } } $a = new common_info(new email_msg()); $res = $a->send('zhang san','好好学习'); var_dump($res); $a = new warning_info(new sms_msg()); $res = $a->send('zhang san','好好学习'); var_dump($res);