php桥接模式(bridge pattern)

╰+哭是因爲堅強的太久メ 2021-11-19 14:04 273阅读 0赞

有点通了

<?php
    /*
    The bridge pattern is used when we want to decouple a class or abstraction from its
    implementation, allowing them both to change independently. This is useful when
    the class and its implementation vary often
    */
    
    interface MessagingInterface {
        public function send($body);
    }
    
    class TextMessage implements MessagingInterface {
        public function send($body) {
            echo "TextMessage > send > $body: <br/>";
        }
    }
    
    class HtmlMessage implements MessagingInterface {
        public function send($body) {
            echo "HtmlMessage > send > $body: <br/>";
        }
    }
    
    interface MailerInterface {
        public function setSender(MessagingInterface $sender);
        public function send($body);
    }
    
    abstract class Mailer implements MailerInterface {
        protected $sender;
        public function setSender(MessagingInterface $sender) {
            $this->sender = $sender;
        }
    }
    
    class PHPMailer extends Mailer {
        public function send($body) {
            $body .= "\n\n Set from a phpmailer .";
            return $this->sender->send($body);
        }
    }
    
    class SwiftMailer extends Mailer {
        public function send($body) {
            $body .= "\n\n Set from a swiftmailer .";
            return $this->sender->send($body);
        }
    }
    
    $phpMailer = new PHPMailer();
    $phpMailer->setSender(new TextMessage());
    $phpMailer->send('Hi!');
    
    $swiftMailer = new SwiftMailer();
    $swiftMailer->setSender(new HtmlMessage());
    $swiftMailer->send('Hello!');
    ?>

![465438-20190713192443983-562790342.png][]

转载于:https://www.cnblogs.com/aguncn/p/11181779.html

[465438-20190713192443983-562790342.png]: /images/20211119/8294c7d303344ad2b505b1c208e875bd.png