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README/设计模式-v2.md
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README/设计模式-v2.md
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package cn.bunny.pattern10;
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public class Facade {
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public static void main(String[] args) {
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DeviceFacade deviceFacade = new DeviceFacade();
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// 查看
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deviceFacade.on();
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// 看完关闭
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deviceFacade.off();
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}
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// 子系统-手机
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static class SubSystemIPhone {
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public void on() {
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System.out.println("打开手机。。。");
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}
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public void off() {
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System.out.println("关闭手机。。。");
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}
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}
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// 子系统-天气
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static class SubSystemWeather {
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public void on() {
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System.out.println("打开天气。。。");
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}
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public void off() {
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System.out.println("关闭天气。。。");
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}
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}
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// 门面
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static class DeviceFacade {
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// 也可以作为参数传递,如果没有别的实现类,直接在内部初始化会使使用者更简单
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SubSystemIPhone subSystemIPhone = new SubSystemIPhone();
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SubSystemWeather subSystemWeather = new SubSystemWeather();
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public void on() {
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subSystemIPhone.on();
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subSystemWeather.on();
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}
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public void off() {
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subSystemWeather.off();
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subSystemIPhone.off();
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}
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}
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}
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package cn.bunny.pattern11;
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public class PaymentProcess {
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public static void main(String[] args) {
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ConcretePaymentProcess concretePaymentProcess = new ConcretePaymentProcess();
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concretePaymentProcess.startProcess();
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}
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// 抽象模板方法
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static abstract class AbstractPaymentProcess {
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/**
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* 开始流程
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*/
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public void startProcess() {
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authenticationUser();
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checkBalance();
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executePayment();
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returnPayment();
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}
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/**
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* 验证用户身份
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*/
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private void authenticationUser() {
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System.out.println("验证用户身份。。。");
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}
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/**
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* 检查余额
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*/
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public abstract void checkBalance();
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/**
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* 执行支付
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*/
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private void executePayment() {
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System.out.println("执行支付。。。");
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}
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/**
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* 返回支付结果
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*/
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public abstract void returnPayment();
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}
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static class ConcretePaymentProcess extends AbstractPaymentProcess {
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/**
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* 检查余额
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*/
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@Override
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public void checkBalance() {
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System.out.println("检查完成,我的余额还有:1999亿元");
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}
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/**
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* 返回支付结果
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*/
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@Override
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public void returnPayment() {
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System.out.println("支付成功,我的余额还有:1994亿元");
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}
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}
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}
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