IDEA+Java控制台实现房屋信息管理系统

Posted 2023-02-16 水坚石青

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一、系统介绍

1.开发环境

开发工具：IDEA2018.2

JDK版本：jdk1.8

2.技术选型

Java语言开发，使用ArrayList存储实体信息。使用Enum枚举类型存储账号信息，使用乐Switch函数来选择判断。

3.系统功能

1.系统登录登出

2.房屋信息的增删改查

二、系统展示

1.登录系统

2.查询房屋信息

3.添加房屋信息

4.修改房屋信息

5.删除房屋信息

三、部分代码

BussinessService

package service;

import common.Constant;
import common.Response;
import entity.House;

import java.util.ArrayList;
import java.util.List;

public class BussinessService 

    private static List<House> bussinessList = new ArrayList<>();

    static 
        bussinessList.add(new House("1","湖北省","鄂州市","紫气东来","0101","100万"));
        bussinessList.add(new House("2","甘肃省","定西市","和睦和美","0202","60万"));
        bussinessList.add(new House("3","甘肃省","定西市","德善堂村","0303","888888万"));
    

    // 查询
    public Response query(String name)
        if(name == null || "".equals(name))
            return new Response("error","编号为空");
        
        for(House house : bussinessList)
            if(name.equals(house.getId()))
                return new Response("success","查询成功",house);
            
        
        return new Response("error","未查到到此"+ Constant.MAIN_CLASS+",请重新输入：");
    

    // 增加
    public Response add(House house)
        for(House h : bussinessList)
            if(h.getId().equals(house.getId()))
                return new Response("error","该"+Constant.MAIN_CLASS+"已存在。");
            
        
        bussinessList.add(house);
        return new Response("success",Constant.MAIN_CLASS+"添加成功。",house);
    


    // 编辑
    public Response checkProp(House house,String prop,String value)
        if(prop == null || "".equals(prop))
            return new Response("error","属性为空。");
        
        String[] props = "id","province","city","name","number","price";
        switch (prop)
            case "id":
                house.setId(value);
                break;
            case "provuince":
                house.setProvince(value);
                break;
            case "city":
                house.setCity(value);
                break;
            case "name":
                house.setName(value);
                break;
            case "number":
                house.setNumber(value);
                break;
            case "price":
                house.setPrice(value);
                break;
            default:
                return new Response("error","该属性不存在。");

        
        return new Response("success","编辑成功。");
    

    // 删除
    public Response delete(String name)
        if(name == null || "".equals(name))
            return new Response("error",Constant.MAIN_CLASS+"编号为空。");
        
        for(House house:bussinessList)
            if(house.getId().equals(name))
                bussinessList.remove(house);
                return new Response("success",Constant.MAIN_CLASS+"删除成功。");
            
        
        return new Response("error",Constant.MAIN_CLASS+"不存在。");

LoginService

package service;

import common.Account;
import common.Response;
import entity.User;

import java.util.ArrayList;
import java.util.List;

public class LoginService 

    private static List<User> userList = new ArrayList<>();

    static 
        userList.add(new User(Account.ADMIN.getUsername(),Account.ADMIN.getPassword()));
        userList.add(new User(Account.USER1.getUsername(),Account.USER1.getPassword()));
        userList.add(new User(Account.USER2.getUsername(),Account.USER2.getPassword()));
        userList.add(new User(Account.USER3.getUsername(),Account.USER3.getPassword()));
    

    public Response login(String username,String password)
        if(username == null || "".equals(username))
            return new Response("error","用户名为空，请输入用户名。");
        
        if(password == null || "".equals(password))
            return new Response("error","密码为空，请输入密码。");
        
        for(User user : userList)
            if(username.equals(user.getUsername()) && password.equals(user.getPassword()))
                return new Response("success","登录成功！");
            
        
        return new Response("error","用户名或密码输入错误，请检查并输入。");

House

package entity;

/**
 * 房屋实体类
 */
public class House 

    // 房子id
    private String id;
    // 小区省份
    private String province;
    // 小区城市
    private String city;
    // 小区名称
    private String name;
    // 房子楼号
    private String number;
    // 房子价格
    private String price;


    public House(String id,String province,String city,String name,String number,String price)
        this.id = id;
        this.province = province;
        this.city = city;
        this.name = name;
        this.number = number;
        this.price = price;
    


    public String getId()
        return id;
    

    public void setId(String id)
        this.id = id;
    

    public String getProvince() 
        return province;
    

    public void setProvince(String province) 
        this.province = province;
    

    public String getCity() 
        return city;
    

    public void setCity(String city) 
        this.city = city;
    

    public String getName() 
        return name;
    

    public void setName(String name) 
        this.name = name;
    

    public String getNumber() 
        return number;
    

    public void setNumber(String number) 
        this.number = number;
    

    public String getPrice() 
        return price;
    

    public void setPrice(String price) 
        this.price = price;
    

    @Override
    public String toString() 
        return "House" +
                "id='" + id + '\\'' +
                ", province='" + province + '\\'' +
                ", city='" + city + '\\'' +
                ", name='" + name + '\\'' +
                ", number='" + number + '\\'' +
                ", price='" + price + '\\'' +
                '';

User

package entity;

/**
 * 用户实体类
 */
public class User 

    private String username;
    private String password;

    public User()

    

    public User(String username,String password)
        this.username = username;
        this.password = password;
    

    public String getUsername()
        return username;
    

    public void setUsername()
        this.username = username;
    

    public String getPassword()
        return password;
    

    public void setPassword(String password)
        this.password = password;
    

    public String toString()
        return "User"+
                "username='"+username+'\\''+
                ",password='"+password+'\\''+
                '';