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skillnull
Design-Mode-Example
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Bridge-Pattern.js
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Bridge-Pattern.js
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// 桥接模式(Bridge Pattern)
// 实现部分
class EmailSender {
send(content) {
console.log(`邮件发送:${content}`)
}
}
class SmsSender {
send(content) {
console.log(`短信发送:${content}`)
}
}
// 抽象部分
class Message {
constructor(sender) {
this.sender = sender
}
send(content) {
return this.sender.send(content)
}
}
class NormalMessage extends Message {
send(content) {
return this.sender.send(content)
}
}
class UrgentMessage extends Message {
send(content) {
return this.sender.send(`[紧急] ${content}`)
}
}
// 自由组合:
// 邮件发送:会议通知
const normalEmail = new NormalMessage(new EmailSender())
normalEmail.send('会议通知')
// 短信发送:[紧急] 服务器异常
const urgentSms = new UrgentMessage(new SmsSender())
urgentSms.send('服务器异常')
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