java作业程序,急求

发布网友发布时间：2023-09-20 07:57

共4个回答

热心网友时间：2024-12-14 23:39

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;

public class Test {
    public static void main(String[] args) throws IOException{
      Map<String, Room> rooms =initRooms();
      BufferedReader ctrl=new BufferedReader(new InputStreamReader(System.in));

      getRoomState(rooms);
      boolean exit = true;
      while(exit){
          println("");
          print("菜单: ");
          print(" 1:订房");
          print(" 2:退房");
          print(" 3:查询");
          print(" 4:退出");
          println("");
          print(" 请输入:");
          String num =ctrl.readLine();
          cls();
          switch (num) {
               case "1":
                   print("房间号:");
                   String rid = ctrl.readLine();
                   print("帐号:");
                   String user = ctrl.readLine();
                   print("密码:");
                   String pwd = ctrl.readLine();
                   print("住天数:");
                   String day = ctrl.readLine();
                   Room r = rooms.get(rid);
                   if(r==null){
                       println("没有此房间");
                   }else{
                       r.setDay(Integer.parseInt(day));
                       r.setName(user);
                       r.setPwd(pwd);
                       rooms.put(r.getrId(),r);
                       println("订房成功！！");
                       getRoomState(rooms);
                   }
                   break;
               case "2":
                   print("帐号:");
                   String user2 = ctrl.readLine();
                   print("密码:");
                   String pwd2 = ctrl.readLine();
                   Room r2 =getRoowByUserAndPwd(rooms,user2,pwd2);
                   if(r2==null){
                       println("你没有订房!!");
                   }else{
                       r2.setName("");
                       r2.setPwd("");
                       r2.setDay(0);
                       rooms.put(r2.getrId(),r2);
                       println("退订成功");
                       getRoomState(rooms);
                   }
                   break;
               case "3":
                   print("帐号:");
                   String user3 = ctrl.readLine();
                   print("天数:");
                   String day3 = ctrl.readLine();
                   Room r3 =getRoowByUserAndDay(rooms,user3,day3);
                   if(r3==null){
                       println("你没有订房!!");
                   }else{
                       println(r3.toString());
                   }
                   break;
               case "4":exit = false ;break;
           }
          getRoomState(rooms);
      }

    }

   private static void getRoomState(Map<String, Room> rooms) {
       println("房间情况:");
          for (Room r : rooms.values()) {
              println("房号:"+r.getrId()+"=>" + r.getPrice()+" 状态:"+r.isEmptyRoom());
          }
   }
   private static Room getRoowByUserAndDay(Map<String, Room> rooms,String user,String day) {
          for (Room r : rooms.values()) {
              if(r.getName().equals(user) && day.equals(r.getDay()+""))
                  return r;
          }
          return null;
   }
   private static Room getRoowByUserAndPwd(Map<String, Room> rooms,String user,String pwd) {
          for (Room r : rooms.values()) {
              if(r.getName().equals(user) && pwd.equals(r.getPwd()+""))
                  return r;
          }
          return null;
   }

    /**
     * 初始化房间
     */
    private static Map<String, Room> initRooms() {
       Map<String, Room> result = new HashMap<String, Room>();
       result.put("8001", new Room("8001",100.0));
       result.put("8002", new Room("8002",100.0));
       result.put("8003", new Room("8003",100.0));

       result.put("8004", new Room("8004",200.0));
       result.put("8005", new Room("8005",200.0));
       result.put("8006", new Room("8006",200.0));

       result.put("8007", new Room("8007",300.0));
       result.put("8008", new Room("8008",300.0));
       result.put("8009", new Room("8009",300.0));

       return result;
   }
    public static void cls() throws IOException{
       Runtime.getRuntime().exec("clear");
    }
   public static void println(Object str){
       System.out.println(str);
    }
   public static void print(Object str){
       System.out.print(str);
    }
}
class Room{
   private String rId="";
   private String name="";
   private String pwd="";
   private int day=0;
   private double price=0.0;

   public String isEmptyRoom(){
       return this.name.equals("")?"空房间":"已出租";
   }

   public Room(String rId, double price) {
       this.rId = rId;
       this.price = price;
   }


   @Override
   public String toString() {
       return "房号=" + rId + ", 用户=" + name + ", 天数=" + day
               + ", 租金=" + price + ", 总金额=" + (price*day);
   }

   public Room(String name, String pwd, int day) {
       this.name = name;
       this.pwd = pwd;
       this.day = day;
   }

   public Room() {
   }

   public String getrId() {
       return rId;
   }
   public void setrId(String rId) {
       this.rId = rId;
   }
   public String getName() {
       return name;
   }
   public void setName(String name) {
       this.name = name;
   }
   public String getPwd() {
       return pwd;
   }
   public void setPwd(String pwd) {
       this.pwd = pwd;
   }
   public int getDay() {
       return day;
   }
   public void setDay(int day) {
       this.day = day;
   }

   public double getPrice() {
       return price;
   }

   public void setPrice(double price) {
       this.price = price;
   }
}

比较粗糙将就

热心网友时间：2024-12-14 23:39

程序蛮简单的，自己写吧。只是要用数据库存数据

热心网友时间：2024-12-14 23:39

这基本就是输入输出。。。。。。。。。。。。

热心网友时间：2024-12-14 23:40

这是一个钱进的社会哦。