java实现KFC点餐小程序

本文实例为大家分享了java实现kfc点餐系统的具体代码，供大家参考，具体内容如下

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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