本文實例為大家分享了java實現kfc點餐系統的具體代碼，供大家參考，具體內容如下
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package kfc點餐系統;//food 類 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 + " 價格 [" + fprice + "]"; } } |
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package kfc點餐系統;/* * 1.正常餐品結算和找零。2.基本套餐結算和找零。3.使用優惠劵購買餐品結算和找零。4.可在一定時間段參與店內活動（自行設計或參考官網信息）。5.模擬打印小票的功能（寫到文件中）。 * *//*@author:kxd * @date:2018.10.25 * * 本人寫這個小程序，第一創建kfcfood類屬性有foodname foodprice foodnumb 和一些必要函數 這個類負責封裝食物屬性 * demo1 是主程序 核心 是hashmap 集合，hashmap<kfcfood , string > 做購物車 添加食物 和遍歷打印小票 * 用字符輸出流 很簡潔的寫法寫入文本 * 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",1,(float)(9.9)); kfcfood k6=new kfcfood("雞米花",1,(float)(9.9)); kfcfood k7=new kfcfood("薯條",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;//計數器 float total=0; while(z) { system.out.println("請點餐 ：輸入編號"); scanner sc = new scanner (system.in ); int i = sc.nextint(); switch (i) { case 1: system.out.println(count+k1.getfname()); system.out.println("請輸入數量："); scanner sc1= new scanner (system.in ); int n = sc1.nextint(); k1.setfnumb(n);//輸入數量 total=total+k1.getfprice();//計算入總價 hm.put(k1,"數量："+string.valueof( k1.getfnumb()) );//添加進樹 break; case 2: system.out.println(count+k2.getfname()); system.out.println("請輸入數量："); scanner sc2= new scanner (system.in ); int n2 = sc2.nextint(); k2.setfnumb(n2); total=total+k2.getfprice();//計算入總價 hm.put(k2,"數量："+string.valueof( k2.getfnumb()) );//添加進樹 break; case 3: system.out.println(count+k3.getfname()); system.out.println("請輸入數量："); scanner sc3= new scanner (system.in ); int n3 = sc3.nextint(); k3.setfnumb(n3); total=total+k3.getfprice();//計算入總價 hm.put(k3,"數量："+string.valueof( k3.getfnumb()) );//添加進樹 break; case 4: system.out.println(count+k4.getfname()); system.out.println("請輸入數量："); scanner sc4= new scanner (system.in ); int n4 = sc4.nextint(); k4.setfnumb(n4); total=total+k4.getfprice();//計算入總價 hm.put(k4,"數量："+string.valueof( k4.getfnumb()) );//添加進樹 break; case 5: system.out.println(count+k5.getfname()); system.out.println("請輸入數量："); scanner sc5= new scanner (system.in ); int n5 = sc5.nextint(); k5.setfnumb(n5); total=total+k5.getfprice();//計算入總價 hm.put(k5,"數量："+string.valueof( k5.getfnumb()) );//添加進樹 break; case 6: system.out.println(count+k6.getfname()); system.out.println("請輸入數量："); scanner sc6= new scanner (system.in ); int n6 = sc6.nextint(); k6.setfnumb(n6); total=total+k6.getfprice();//計算入總價 hm.put(k6,"數量："+string.valueof( k6.getfnumb()) );//添加進樹 break; case 7: system.out.println(count+k7.getfname()); system.out.println("請輸入數量："); scanner sc7= new scanner (system.in ); int n7 = sc7.nextint(); k7.setfnumb(n7); total=total+k7.getfprice();//計算入總價 hm.put(k7,"數量："+string.valueof( k7.getfnumb()) );//添加進樹 break; case 8: system.out.println(count+k8.getfname()); system.out.println("請輸入數量："); scanner sc8= new scanner (system.in ); int n8 = sc8.nextint(); k8.setfnumb(n8); total=total+k8.getfprice();//計算入總價 hm.put(k8,"數量："+string.valueof( k8.getfnumb()) );//添加進樹 break; case 9: system.out.println(count+k9.getfname()); system.out.println("請輸入數量："); scanner sc9= new scanner (system.in ); int n9 = sc9.nextint(); k9.setfnumb(n9); total=total+k9.getfprice();//計算入總價 hm.put(k9,"數量："+string.valueof( k9.getfnumb()) );//添加進樹 break; default:system.out.println("請輸入正確的號碼！"); break; } //遍歷樹 set<kfcfood> ks1 = hm.keyset();//遍歷map for(kfcfood s2:ks1) { system.out.println("("+s2+","+hm.get(s2)+")"); } system.out.println("1 繼續點餐 2 重新點餐 3 結束點餐 "); scanner sca= new scanner (system.in ); int n = sca.nextint(); switch(n) { case 1: count++; break ; case 2 : system.out.println("重新點餐！"); hm.clear(); break; case 3 : system.out.println("總價"+total); system.out.println("結束點餐"); z=false; break; default:system.out.println("請輸入正確的號碼！"); 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 set<kfcfood> ks1 = hm.keyset();//遍歷map for(kfcfood s2:ks1) { system.out.println(" "+s2+", "+hm.get(s2)+" "); } system.out.println("總價"+total); system.out.println("訂單時間: "+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"+total); bw.write("訂單時間: "+new date());bw.newline(); bw.write(" 歡迎下次光臨！");bw.newline(); bw.write("**********************************");bw.newline(); bw.flush(); bw.close(); } } |
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原文鏈接：https://blog.csdn.net/harvestUachieve/article/details/83422283
