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- package KFC点餐系统;
- //food 类
- public class Kfcfood {
-
- private String fname ;
- private int fnumb=1;
- private float fPrice;
-
- public Kfcfood() {
- super();
- }
-
- public Kfcfood(String fname, int fnumb, float fPrice) {
- super();
- this.fname = fname;
- this.fnumb = fnumb;
- this.fPrice = fPrice;
- }
-
- public String getFname() {
- return fname;
- }
- public void setFname(String fname) {
- this.fname = fname;
- }
- public int getFnumb() {
- return fnumb;
- }
- public void setFnumb(int fnumb) {
- this.fnumb = fnumb;
- }
- public float getfPrice() {
- return fPrice*fnumb;
- }
- public void setfPrice(float fPrice) {
- this.fPrice = fPrice;
- }
- @Override
- public String toString() {
- return fname + " 价格 [" + fPrice + "]";
- }
-
-
- }
- package KFC点餐系统;
- /*
- * 1.正常餐品结算和找零。
- 2.基本套餐结算和找零。
- 3.使用优惠劵购买餐品结算和找零。
- 4.可在一定时间段参与店内活动(自行设计或参考官网信息)。
- 5.模拟打印小票的功能(写到文件中)。
- * */
- /*@author:kxd
- * @Date:2018.10.25
- *
- * 本人写这个小程序,第一创建Kfcfood类属性有foodname foodPrice foodnumb 和一些必要函数 这个类负责封装食物属性
- * Demo1 是主程序 核心 是HashMap 集合,HashMap<Kfcfood , String > 做购物车 添加食物 和遍历打印小票
- * 用字符输出流 很简洁的写法写入文本
- * BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("out.txt",true)));//字符缓冲输出流
- *
- * */
- import java.io.BufferedWriter;
- import java.io.FileNotFoundException;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.OutputStreamWriter;
- import java.util.Date;
- import java.util.HashMap;
- import java.util.Scanner;
- import java.util.Set;
-
- public class Demo1 {
-
-
- public static void main(String[] args) throws IOException {
- Kfcfood k1=new Kfcfood("全家桶",1,(float)(79.9));
- Kfcfood k2=new Kfcfood("奥尔良鸡腿堡",1,(float)(19.9));
- Kfcfood k3=new Kfcfood("热辣鸡腿堡",1,(float)(18.9));
- Kfcfood k4=new Kfcfood("帕尼尼早餐套餐",1,(float)(29.9));
- Kfcfood k5=new Kfcfood("可乐",1,(float)(9.9));
- Kfcfood k6=new Kfcfood("鸡米花",1,(float)(9.9));
- Kfcfood k7=new Kfcfood("薯条",1,(float)(8.8));
- Kfcfood k8=new Kfcfood("热辣鸡翅",1,(float)(11.9));
- Kfcfood k9=new Kfcfood("冰淇淋",1,(float)(9.9));
-
-
-
-
- HashMap<Kfcfood , String > hm= new HashMap<Kfcfood , String >();
-
- System.out.println("**********************************");
- System.out.println("*********欢迎光临肯德基餐厅*************");
- System.out.println(" 菜单 ");
- System.out.println("1:"+k1.toString());
- System.out.println("2:"+k2.toString());
- System.out.println("3:"+k3.toString());
- System.out.println("4:"+k4.toString());
- System.out.println("5:"+k5.toString());
- System.out.println("6:"+k6.toString());
- System.out.println("7:"+k7.toString());
- System.out.println("8:"+k8.toString());
- System.out.println("9:"+k9.toString());
- boolean z=true ; int count=1;//计数器
- float total=0;
- while(z) {
- System.out.println("请点餐 :输入编号");
- Scanner sc = new Scanner (System.in );
- int i = sc.nextInt();
- switch (i) {
-
- case 1:
- System.out.println(count+k1.getFname());
- System.out.println("请输入数量:");
- Scanner sc1= new Scanner (System.in );
- int n = sc1.nextInt();
- k1.setFnumb(n);//输入数量
- total=total+k1.getfPrice();//计算入总价
-
- hm.put(k1,"数量:"+String.valueOf( k1.getFnumb()) );//添加进树
- break;
- case 2:
- System.out.println(count+k2.getFname());
- System.out.println("请输入数量:");
- Scanner sc2= new Scanner (System.in );
- int n2 = sc2.nextInt();
- k2.setFnumb(n2);
-
- total=total+k2.getfPrice();//计算入总价
- hm.put(k2,"数量:"+String.valueOf( k2.getFnumb()) );//添加进树
- break;
- case 3:
- System.out.println(count+k3.getFname());
- System.out.println("请输入数量:");
- Scanner sc3= new Scanner (System.in );
- int n3 = sc3.nextInt();
- k3.setFnumb(n3);
-
- total=total+k3.getfPrice();//计算入总价
- hm.put(k3,"数量:"+String.valueOf( k3.getFnumb()) );//添加进树
- break;
- case 4:
- System.out.println(count+k4.getFname());
- System.out.println("请输入数量:");
- Scanner sc4= new Scanner (System.in );
- int n4 = sc4.nextInt();
- k4.setFnumb(n4);
-
- total=total+k4.getfPrice();//计算入总价
- hm.put(k4,"数量:"+String.valueOf( k4.getFnumb()) );//添加进树
- break;
- case 5:
- System.out.println(count+k5.getFname());
- System.out.println("请输入数量:");
- Scanner sc5= new Scanner (System.in );
- int n5 = sc5.nextInt();
- k5.setFnumb(n5);
-
- total=total+k5.getfPrice();//计算入总价
- hm.put(k5,"数量:"+String.valueOf( k5.getFnumb()) );//添加进树
- break;
- case 6:
- System.out.println(count+k6.getFname());
- System.out.println("请输入数量:");
- Scanner sc6= new Scanner (System.in );
- int n6 = sc6.nextInt();
- k6.setFnumb(n6);
-
- total=total+k6.getfPrice();//计算入总价
- hm.put(k6,"数量:"+String.valueOf( k6.getFnumb()) );//添加进树
- break;
- case 7:
- System.out.println(count+k7.getFname());
- System.out.println("请输入数量:");
- Scanner sc7= new Scanner (System.in );
- int n7 = sc7.nextInt();
- k7.setFnumb(n7);
-
- total=total+k7.getfPrice();//计算入总价
- hm.put(k7,"数量:"+String.valueOf( k7.getFnumb()) );//添加进树
- break;
- case 8:
- System.out.println(count+k8.getFname());
- System.out.println("请输入数量:");
- Scanner sc8= new Scanner (System.in );
- int n8 = sc8.nextInt();
- k8.setFnumb(n8);
-
- total=total+k8.getfPrice();//计算入总价
- hm.put(k8,"数量:"+String.valueOf( k8.getFnumb()) );//添加进树
- break;
- case 9:
- System.out.println(count+k9.getFname());
- System.out.println("请输入数量:");
- Scanner sc9= new Scanner (System.in );
- int n9 = sc9.nextInt();
- k9.setFnumb(n9);
-
- total=total+k9.getfPrice();//计算入总价
- hm.put(k9,"数量:"+String.valueOf( k9.getFnumb()) );//添加进树
- break;
-
-
- default:System.out.println("请输入正确的号码!");
- break;
-
- }
- //遍历树
-
- Set<Kfcfood> ks1 = hm.keySet();//遍历Map
- for(Kfcfood s2:ks1) {
- System.out.println("("+s2+","+hm.get(s2)+")");
- }
-
- System.out.println("1 继续点餐 2 重新点餐 3 结束点餐 ");
- Scanner sca= new Scanner (System.in );
- int n = sca.nextInt();
- switch(n) {
- case 1:
- count++;
- break ;
- case 2 :
- System.out.println("重新点餐!");
-
- hm.clear();
-
-
- break;
-
- case 3 :
- System.out.println("总价"+total);
- System.out.println("结束点餐");
- z=false;
- break;
- default:System.out.println("请输入正确的号码!");
- break;
- }
-
-
- }
- System.out.println("****************************************");
- System.out.println("*********欢迎光临肯德基餐厅*************");
- System.out.println(" 您的菜单为! ");
-
- //遍历树
-
- Set<Kfcfood> ks1 = hm.keySet();//遍历Map
- for(Kfcfood s2:ks1) {
- System.out.println(" "+s2+", "+hm.get(s2)+" ");
- }
- System.out.println("总价"+total);
- System.out.println("订单时间: "+new Date());
- System.err.println(" 欢迎下次光临!");
- System.out.println("**********************************");
-
- BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("out.txt")));//字符缓冲输出流
- bw.write("****************************************");bw.newLine();
- bw.write("*********欢迎光临肯德基餐!*************");bw.newLine();
- bw.write(" 您的菜单为! ");bw.newLine();
- Set<Kfcfood> ks2 = hm.keySet();//遍历Map
- for(Kfcfood s2:ks2) {
- // System.out.println(" "+s2+", "+hm.get(s2)+" ");
- bw.write(s2+", "+hm.get(s2));bw.newLine();
- }
- //System.out.println("总价"+total);
-
- bw.write("订单时间: "+new Date());bw.newLine();
- bw.write(" 欢迎下次光临!");bw.newLine();
- bw.write("**********************************");bw.newLine();
- bw.flush();
- bw.close();
- }
-
-
- }
运行结果:
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