1 /**
  2  * @author EASON
  3  * @date 2017.1.7  13:23
  4  * @function 工厂模式
  5  */
  6 package com.nju;
  7
  8 import java.io.BufferedReader;
  9 import java.io.IOException;
 10 import java.io.InputStreamReader;
 11
 12 public class Test {
 13     public static void main(String[] args) {
 14         PizzaStore ps = new PizzaStore();
 15         ps.orderPizza();
 16     }
 17 }
 18
 19 //抽象产品类
 20 interface Pizza{
 21     public void prepare();
 22     public void bake();
 23     public void cut();
 24     public void packaged();
 25 }
 26
 27 //具体产品类-奶酪披萨
 28 class CheesePizza implements Pizza{
 29     //具体产品类需要实现抽象产品类中的方法
 30     public void prepare() {
 31         System.out.println("奶酪披萨开始制作...");
 32     }
 33
 34     public void bake() {
 35         System.out.println("奶酪披萨开始烘焙...");
 36     }
 37
 38     public void cut() {
 39         System.out.println("奶酪披萨开始切块...");
 40     }
 41
 42     public void packaged() {
 43         System.out.println("奶酪披萨包装完毕...");
 44     }
 45
 46 }
 47
 48 //具体产品类-洋葱披萨
 49 class PepperoniPizza implements Pizza{
 50
 51     public void prepare() {
 52         System.out.println("洋葱披萨开始制作...");
 53     }
 54
 55     public void bake() {
 56         System.out.println("洋葱披萨开始烘焙...");
 57     }
 58
 59     public void cut() {
 60         System.out.println("洋葱披萨开始切块...");
 61     }
 62
 63     public void packaged() {
 64         System.out.println("洋葱披萨包装完毕...");
 65     }
 66
 67 }
 68
 69 //Pizza工厂类
 70 class PizzaFactory{
 71     public Pizza getPizza(String pizzaType){
 72         switch(pizzaType){
 73         case("cheesePizza"):
 74             return new CheesePizza();
 75         case("pepperonPizza"):
 76             return new PepperoniPizza();
 77         default:
 78             return null;
 79         }
 80     }
 81 }
 82
 83 //Pizza商店类
 84 class PizzaStore{
 85     public void orderPizza(){
 86         BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
 87         PizzaFactory pf = new PizzaFactory();
 88         System.out.println("欢迎光临！");
 89         System.out.println("请输入你想要购买的Pizza：");
 90         try {
 91             String pizzaType = bf.readLine();
 92             Pizza pizza = pf.getPizza(pizzaType);
 93             pizza.prepare();
 94             pizza.bake();
 95             pizza.cut();
 96             pizza.packaged();
 97             System.out.println("欢迎下次光临！");
 98         } catch (IOException e) {
 99             e.printStackTrace();
100         }
101     }
102 }