【设计模式】策略模式设计-电影票打折功能

本文主要是介绍【设计模式】策略模式设计-电影票打折功能，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

任务二：使用策略模式设计电影票打折功能

某电影院售标系统为不同类型的用户提供了不同的打折方式（Discount），学生凭学生证可享受8折优惠**（StudentDiscount），儿童可享受减免10元的优惠（ChildrenDiscount），VIP用户除享受半价优惠外还可以进行积分（VIPDiscount）**。使用策略模式设计该系统。

UML-class

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* @ClassName: Ticket  * @Description: TODO  * @Author ZSC  * @Date 2023/12/4 11:32  * @Version 1.0 public class Ticket {private double price;private Discount discount;public double getPrice() {return discount.calculate(this.price);}public void setPrice(double price) {this.price = price;}public void setDiscount(Discount discount) {this.discount = discount;} }

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public interface Discount {public double calculate(double price);
}

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    @Overridepublic double calculate(double price) {return price-10;} }public class StuDiscount implements Discount{@Overridepublic double calculate(double price) {return price*0.8;} }public class VIPDiscount implements Discount{@Overridepublic double calculate(double price) {System.out.println("提示：增加积分！");return price*0.5;} }

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public class TicketMain {public static void main(String[] args) {// discoutdouble disPrice;Ticket ticket = new Ticket();// set priceticket.setPrice(66.66);// stuDiscount stuDiscount = new StuDiscount();ticket.setDiscount(stuDiscount);disPrice = ticket.getPrice();System.out.println("stu--折后价格为："+disPrice);// chilDiscount chilDiscount = new ChilDiscount();ticket.setDiscount(chilDiscount);disPrice = ticket.getPrice();System.out.println("childen--折后票价为："+disPrice);System.out.println("==========================");// VIPDiscount vipDiscount = new VIPDiscount();ticket.setDiscount(vipDiscount);disPrice = ticket.getPrice();System.out.println("VIP会员---折后票价为："+disPrice);}
}