Java 第一阶段建立编程思想 【房屋出租系统】 ---- 代码

package com.edu.houserent.view; import com.edu.houserent.domain.House; import com.edu.houserent.service.HouseService; import com.edu.houserent.utils.Utility; public class HouseView { private boolean loop = true; private char key = ' '; private HouseService houseService = new HouseService(10); public void update() { System.out.println("==============修改房屋=============="); System.out.println("请输入要修改的房屋的编号(-1退出)："); int updateId = Utility.readInt(); if (updateId == -1) { System.out.println("=============放弃修改房屋============="); return; } House house = houseService.findById(updateId); if (house == null) { System.out.println("要修改的房屋不存在"); } System.out.print("姓名(" + house.getName() + ")："); String name = Utility.readString(8, ""); if (!"".equals(name)) { house.setName(name); } System.out.print("电话(" + house.getPhone() + ")："); String phone = Utility.readString(12, ""); if (!"".equals(phone)) { house.setPhone(phone); } System.out.print("地址(" + house.getAddress() + ")："); String address = Utility.readString(18, ""); if (!"".equals(address)) { house.setAddress(address); } System.out.print("租金(" + house.getRent() + ")："); int rent = Utility.readInt(-1); if (rent != -1) { house.setRent(rent); } System.out.print("状态(" + house.getState() + ")："); String state = Utility.readString(3, ""); if (!"".equals(state)) { house.setState(state); } System.out.println("==============修改成功=============="); } public void findHouse() { System.out.println("==============查找房屋=============="); System.out.println("请输入要查找的ID："); int findId = Utility.readInt(); House house = houseService.findById(findId); if (house != null) { System.out.println(house); } else { System.out.println("==============查找房屋的ID不存在=============="); } } public void exit() { char choice = Utility.readConfirmSelection(); if (choice == 'Y') { loop = false; } } public void delHouse() { System.out.println("==============删除房屋=============="); System.out.print("请输入要删除的房屋的编号(-1退出)："); int delId = Utility.readInt(); if (delId == -1) { System.out.println("=============取消删除房屋============="); return; } char choice = Utility.readConfirmSelection(); if (choice == 'Y') { if (houseService.del(delId)) { System.out.println("==============删除成功=============="); } else { System.out.println("===========房屋编号不存在，删除失败==========="); } } else { System.out.println("==============删除失败=============="); } } public void addHouse() { System.out.println("==============添加房屋=============="); System.out.print("姓名："); String name = Utility.readString(8); System.out.print("电话："); String phone = Utility.readString(12); System.out.print("地址："); String address = Utility.readString(16); System.out.print("月租："); int rent = Utility.readInt(); System.out.print("状态："); String state = Utility.readString(3); House newHouse = new House(0, name, phone, address, rent, state); if (houseService.add(newHouse)) { System.out.println("============添加房屋成功============"); } else { System.out.println("============添加房屋失败============"); } } public void listHouse() { System.out.println("==============房屋列表============="); System.out.println("编号\t\t房主\t\t电话\t\t地址\t\t月租\t\t状态(未出租/已出租)"); House[] houses = houseService.list(); for (int i = 0; i < houses.length; i++) { if (houses[i] == null) break; System.out.println(houses[i]); } System.out.println("============房屋列表显示完成==========="); } public void mainMenu() { do { System.out.println("==============房屋出租系统============="); System.out.println("\t\t\t1 新 增 房 源"); System.out.println("\t\t\t2 查 找 房 屋"); System.out.println("\t\t\t3 删 除 房 屋 信 息"); System.out.println("\t\t\t4 修 改 房 屋 信 息"); System.out.println("\t\t\t5 房 屋 列 表"); System.out.println("\t\t\t6 退 出"); System.out.print("请输入你的选择（1-6）："); key = Utility.readChar(); switch (key) { case '1': addHouse(); break; case '2': findHouse(); break; case '3': delHouse(); break; case '4': update(); break; case '5': listHouse(); break; case '6': exit(); break; } } while (loop); } }