餐厅点餐点菜系统，有菜单、顾客输入菜名号码，生成菜单一个java编程问题，关于点菜浏览次数：62

文件名称: 餐厅点餐点菜系统，有菜单、顾客输入菜名号码，生成菜单

所属分类: Java

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文件大小: 10kb

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上传时间: 2011-07-04

提供者: peng****

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详细说明：一个java编程问题，关于点菜浏览次数：629次悬赏分：15 | 解决时间：2010-1-14 13:10 | 提问者：aimiaozi 现在有一份菜单给客人察看，并要计算他们的消费。要求：客人菜时要打印出菜单，而且只需输入菜号即点菜，并要打印出客人所点的菜，最后计算客人应付的菜钱。编号菜名价钱 01 扬州炒饭 5.0 02 辣子鸡丁 9.0 03 羊肉串 5.0 04 鸡汤 15.0 各位高手帮帮忙吧~~~~~能做得了全部最好，谢谢！！！问题补充：程序是要输入菜号就能知道菜名、菜价，我就是不会这点。。。如果可以，希望能用一维数组做出来。我是初学者！！！！！答得好能加分哦，谢谢！！麻烦各位了，请多包涵！最佳答案 package ddd; public class Dish { private String name; private String id; private double unit; private int number; private String text; public Dish( String id,String name,double unit,int number){ this.id=id; this.name=name; this.unit=unit; this.number=number; } public Dish(){ } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getId() { return id; } public void setId(String id) { this.id = id; } public double getUnit() { return unit; } public void setUnit(double unit) { this.unit = unit; } public int getNumber() { return number; } public void setNumber(int number) { this.number = number; } public String getText() { return text; } public void setText(String text) { this.text = text; } public Dish clone(){ Dish d=new Dish(); d.setId(id); d.setName(name); d.setUnit(unit); d.setNumber(number); return d; } } ----------------------------------------- package ddd; import java.sql.Date; import java.text.SimpleDateFormat; import java.util.LinkedList; import java.util.List; public class Order { private String user; public List list; private double sumMoney; private String date; public Order(String user){ this.user=user; SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); Date date=new Date(System.currentTimeMillis()); this.date=format.format(date); list=new LinkedList(); } public List getList() { return list; } public void setList(List list) { this.list = list; } public double getSumMoney() { return sumMoney; } public void setSumMoney(double sumMoney) { this.sumMoney = sumMoney; } public String getDate() { return date; } public void setDate(String date) { this.date = date; } public String getUser() { return user; } public void setUser(String user) { this.user = user; } public void printOrder(){ System.out.println("--------------------------------------------------------------"); System.out.println("+用户名:"+user+"+"); System.out.println("+消费日期:"+date+"+"); System.out.println("--------------------------------------------------------------"); System.out.println("编号 \t 名称 \t 价格(元) \t数量 \t 合计(元)"); for(Dish dish:list){ System.out.printf("%-5s \t %-12s \t %-5s \t %-2s \t %-5s\n",dish.getId(),dish.getName(),dish.getUnit(),dish.getNumber(),dish.getUnit()*dish.getNumber()); } System.out.println("--------------------------------------------------------------"); System.out.println("+消费合计:"+sumMoney+"+"); } } -------------------------------------------- package ddd; import java.io.IOException; import java.util.LinkedHashMap; import java.util.Map; import java.util.Scanner; public class Main { private Map map; private Order order; public Main(String username){ map=new LinkedHashMap(); map.put("01",new Dish("01","扬州炒饭",5.0,10)); map.put("02",new Dish("02","辣子鸡丁",9.0,10)); map.put("03",new Dish("03","羊肉串 ",5.0,10)); map.put("04",new Dish("04","鸡汤 ",15.0,10)); map.put("05",new Dish("05","红烧排骨",25.0,10)); map.put("06",new Dish("06","清蒸鲤鱼 ",35.0,10)); map.put("07",new Dish("07","杂酱面 ",8.0,10)); map.put("08",new Dish("08","绿豆粥 ",2.0,10)); order=new Order(username); } public void printDishList(){ System.out.println("-------------------菜谱-------------------"); System.out.println("编号 \t 名称 \t 价格(元) \t数量"); System.out.println("--------------------------------------------"); for(Dish dish:map.values()){ System.out.printf("%-5s \t %-12s \t %-5s \t %-2s\n",dish.getId(),dish.getName(),dish.getUnit(),dish.getNumber()); } System.out.println("--------------------------------------------"); } public static void main(String[] str) throws IOException{ Main main=new Main("佚名"); Scanner s=new Scanner(System.in); main.printDishList(); while(true){ String id=""; System.out.print("请输入菜单编号："); id=s.nextLine(); if(!main.map.containsKey(id)) {System.out.println("没有该菜名编号！");continue;} Dish dish=main.map.get(id).clone(); System.out.println(dish.getName()); System.out.print("请输入所要菜名【"+dish.getName()+"】的数量(0表示全部都要;必须小于等于"+dish.getNumber()+")："); int number=Integer.parseInt(s.nextLine()); if(number<0 || number>dish.getNumber()){System.out.println("数量输入错误！");continue;} else if(number==0) ; else dish.setNumber(number); main.order.setSumMoney(main.order.getSumMoney()+dish.getNumber()*dish.getUnit()); main.order.list.add(dish); System.out.println("一种菜品添加成功！继续直接any key；结束输入exit并回车"); String tag=s.nextLine(); if("exit".equalsIgnoreCase(tag)) break; } main.order.printOrder(); } } ...展开收缩

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