package KFC點(diǎn)餐系統(tǒng);
//food 類(lèi) 
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 + " 價(jià)格 [" + fPrice + "]";
 }
 
 
}

package KFC點(diǎn)餐系統(tǒng);
/*
 * 1.正常餐品結(jié)算和找零。
2.基本套餐結(jié)算和找零。
3.使用優(yōu)惠劵購(gòu)買(mǎi)餐品結(jié)算和找零。
4.可在一定時(shí)間段參與店內(nèi)活動(dòng)（自行設(shè)計(jì)或參考官網(wǎng)信息）。
5.模擬打印小票的功能（寫(xiě)到文件中）。
 * */
/*@author:kxd
 * @Date:2018.10.25
 * 
 * 本人寫(xiě)這個(gè)小程序，第一創(chuàng)建Kfcfood類(lèi)屬性有foodname foodPrice foodnumb 和一些必要函數(shù) 這個(gè)類(lèi)負(fù)責(zé)封裝食物屬性
 * Demo1 是主程序 核心 是HashMap 集合，HashMap<Kfcfood , String > 做購(gòu)物車(chē) 添加食物 和遍歷打印小票 
 * 用字符輸出流 很簡(jiǎn)潔的寫(xiě)法寫(xiě)入文本 
 * BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("out.txt",true)));//字符緩沖輸出流
 * 
 * */
 
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("奧爾良雞腿堡",1,(float)(19.9));
 Kfcfood k3=new Kfcfood("熱辣雞腿堡",1,(float)(18.9));
 Kfcfood k4=new Kfcfood("帕尼尼早餐套餐",1,(float)(29.9));
 Kfcfood k5=new Kfcfood("可樂(lè)",1,(float)(9.9));
 Kfcfood k6=new Kfcfood("雞米花",1,(float)(9.9));
 Kfcfood k7=new Kfcfood("薯?xiàng)l",1,(float)(8.8));
 Kfcfood k8=new Kfcfood("熱辣雞翅",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("*********歡迎光臨肯德基餐廳*************"); 
 System.out.println("  菜單   ");
 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;//計(jì)數(shù)器
 float total=0;
 while(z) { 
 System.out.println("請(qǐng)點(diǎn)餐 ：輸入編號(hào)");
 Scanner sc = new Scanner (System.in );
 int i = sc.nextInt();
 switch (i) {
 
 case 1:
 System.out.println(count+k1.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc1= new Scanner (System.in );
 int n = sc1.nextInt();
 k1.setFnumb(n);//輸入數(shù)量 
 total=total+k1.getfPrice();//計(jì)算入總價(jià)
 
 hm.put(k1,"數(shù)量："+String.valueOf( k1.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 2:
 System.out.println(count+k2.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc2= new Scanner (System.in );
 int n2 = sc2.nextInt();
 k2.setFnumb(n2);
 
 total=total+k2.getfPrice();//計(jì)算入總價(jià)
 hm.put(k2,"數(shù)量："+String.valueOf( k2.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 3:
 System.out.println(count+k3.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc3= new Scanner (System.in );
 int n3 = sc3.nextInt();
 k3.setFnumb(n3);
 
 total=total+k3.getfPrice();//計(jì)算入總價(jià)
 hm.put(k3,"數(shù)量："+String.valueOf( k3.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 4:
 System.out.println(count+k4.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc4= new Scanner (System.in );
 int n4 = sc4.nextInt();
 k4.setFnumb(n4);
 
 total=total+k4.getfPrice();//計(jì)算入總價(jià)
 hm.put(k4,"數(shù)量："+String.valueOf( k4.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 5:
 System.out.println(count+k5.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc5= new Scanner (System.in );
 int n5 = sc5.nextInt();
 k5.setFnumb(n5);
 
 total=total+k5.getfPrice();//計(jì)算入總價(jià)
 hm.put(k5,"數(shù)量："+String.valueOf( k5.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 6:
 System.out.println(count+k6.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc6= new Scanner (System.in );
 int n6 = sc6.nextInt();
 k6.setFnumb(n6);
 
 total=total+k6.getfPrice();//計(jì)算入總價(jià)
 hm.put(k6,"數(shù)量："+String.valueOf( k6.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 7:
 System.out.println(count+k7.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc7= new Scanner (System.in );
 int n7 = sc7.nextInt();
 k7.setFnumb(n7);
 
 total=total+k7.getfPrice();//計(jì)算入總價(jià)
 hm.put(k7,"數(shù)量："+String.valueOf( k7.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 8:
 System.out.println(count+k8.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc8= new Scanner (System.in );
 int n8 = sc8.nextInt();
 k8.setFnumb(n8);
 
 total=total+k8.getfPrice();//計(jì)算入總價(jià)
 hm.put(k8,"數(shù)量："+String.valueOf( k8.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 case 9:
 System.out.println(count+k9.getFname());
 System.out.println("請(qǐng)輸入數(shù)量：");
 Scanner sc9= new Scanner (System.in );
 int n9 = sc9.nextInt();
 k9.setFnumb(n9);
 
 total=total+k9.getfPrice();//計(jì)算入總價(jià)
 hm.put(k9,"數(shù)量："+String.valueOf( k9.getFnumb()) );//添加進(jìn)樹(shù)
 break;
 
 
 default:System.out.println("請(qǐng)輸入正確的號(hào)碼！");
 break;
 
 }
 //遍歷樹(shù)
 
 Set<Kfcfood> ks1 = hm.keySet();//遍歷Map
 for(Kfcfood s2:ks1) {
 System.out.println("("+s2+","+hm.get(s2)+")");
 }
 
 System.out.println("1 繼續(xù)點(diǎn)餐 2 重新點(diǎn)餐 3 結(jié)束點(diǎn)餐 ");
 Scanner sca= new Scanner (System.in );
 int n = sca.nextInt();
 switch(n) {
 case 1: 
 count++;
 break ;
 case 2 :
 System.out.println("重新點(diǎn)餐！");
 
 hm.clear();
 
 
 break;
 
 case 3 : 
 System.out.println("總價(jià)"+total);
 System.out.println("結(jié)束點(diǎn)餐");
 z=false;
 break;
 default:System.out.println("請(qǐng)輸入正確的號(hào)碼！");
 break;
 }
 
 
}
 System.out.println("****************************************");
 System.out.println("*********歡迎光臨肯德基餐廳*************"); 
 System.out.println("  您的菜單為！   ");
 
 //遍歷樹(shù)
 
 Set<Kfcfood> ks1 = hm.keySet();//遍歷Map
 for(Kfcfood s2:ks1) {
 System.out.println(" "+s2+", "+hm.get(s2)+" ");
 }
 System.out.println("總價(jià)"+total);
 System.out.println("訂單時(shí)間: "+new Date());
 System.err.println("  歡迎下次光臨！");
 System.out.println("**********************************");
 
 BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("out.txt")));//字符緩沖輸出流
 bw.write("****************************************");bw.newLine();
 bw.write("*********歡迎光臨肯德基餐!*************");bw.newLine();
 bw.write("  您的菜單為！   ");bw.newLine();
 Set<Kfcfood> ks2 = hm.keySet();//遍歷Map
 for(Kfcfood s2:ks2) {
 // System.out.println(" "+s2+", "+hm.get(s2)+" ");
 bw.write(s2+", "+hm.get(s2));bw.newLine();
 }
 //System.out.println("總價(jià)"+total);
 
 bw.write("訂單時(shí)間: "+new Date());bw.newLine();
 bw.write("  歡迎下次光臨！");bw.newLine();
 bw.write("**********************************");bw.newLine();
 bw.flush();
 bw.close();
 }
 
 
}