Java实现控制台商品管理系统

import common.Constant; import common.Response; import entity.Shop; import service.BusinessService; import service.LoginService; import java.util.Scanner; public class Main { private static LoginService loginService = new LoginService(); private static BusinessService businessService = new BusinessService(); private static boolean isLogin = false; private static boolean isExit = false; private static boolean isMenu = false; public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("欢迎使用<<"+ Constant.SYS_NAME +">>"); while(!isLogin){ System.out.print("请输入您的用户名："); String username = input.next().trim(); System.out.print("请输入您的密码："); String password = input.next().trim(); Response loginRes = loginService.login(username,password); System.out.println("\n\r"+loginRes.getMsg()+"\n\r"); if("success".equals(loginRes.getCode())){ isLogin = true; } } while (!isMenu){ isExit = false; System.out.println( "功能菜单：\n\r" + "1.查询"+ Constant.MAIN_CLASS+"（输入Q）\n\r" + "2.新增"+ Constant.MAIN_CLASS+"（输入A）\n\r" + "3.修改"+ Constant.MAIN_CLASS+"（输入E）\n\r" + "4.删除"+ Constant.MAIN_CLASS+"（输入D）\n\r" + "5.退出（输入0）"); System.out.print("请输入对应的功能代号:"); String code = input.next().trim(); while (!isExit){ switch(code){ case "Q" ://查询 query(input); break; case "A" ://新增 add(input); break; case "E" ://编辑 edit(input); break; case "D" ://删除 delete(input); break; default://退出 isMenu = true; isExit = true; break; } } } System.out.println("谢谢使用，Bye~"); } /** * 查询 * @param input */ public static void query(Scanner input){ System.out.print("请输入您需要查询的"+ Constant.MAIN_CLASS+"编号（输入0退出）："); String input_name = input.next().trim(); if("0".equals(input_name)){ isExit = true; return; } Response res = businessService.query(input_name); System.out.println(res.getMsg()); if("success".equals(res.getCode())){ System.out.println("为您查询到的"+ Constant.MAIN_CLASS+"信息："); System.out.println(res.getData()); } } /** * 新增 * @param input */ public static void add(Scanner input){ System.out.print("请输入商品编号（输入0退出）："); String prop1 = input.next().trim(); if("0".equals(prop1)) { isExit = true; return; } System.out.print("请输入商品名称（输入0退出）："); String prop2 = input.next().trim(); if("0".equals(prop2)) { isExit = true; return; } System.out.print("请输入商品库存（输入0退出）："); String prop3 = input.next().trim(); if("0".equals(prop3)) { isExit = true; return; } System.out.print("请输入商品单价（输入0退出）："); String prop4 = input.next().trim(); if("0".equals(prop4)) { isExit = true; return; } System.out.print("请输入商品产地（输入0退出）："); String prop5 = input.next().trim(); if("0".equals(prop5)) { isExit = true; return; } Shop shop = new Shop(prop1, prop2, prop3, prop4, prop5); Response res = businessService.add(shop); System.out.println(res.getMsg()); if("success".equals(res.getCode())){ System.out.println("新增的"+ Constant.MAIN_CLASS+"信息："); System.out.println(res.getData()); } } /** * 编辑 * @param input */ public static void edit(Scanner input){ System.out.print("请输入需要编辑的"+ Constant.MAIN_CLASS+"编号（输入0退出）："); String name = input.next().trim(); if("0".equals(name)) { isExit = true; return; } Response res = businessService.query(name); if("success".equals(res.getCode())){ System.out.println("为您查询到的"+ Constant.MAIN_CLASS+"信息："); System.out.println(res.getData()); }else{ System.out.println("该"+ Constant.MAIN_CLASS+"不存在。"); isExit = true; return; } System.out.print("请输入需要编辑的属性代码（例：如编辑"+ Constant.MAIN_CLASS+"姓名请输入name，输入0退出）:"); String prop = input.next().trim(); if("0".equals(prop)) { isExit = true; return; } System.out.print("请输入新的属性值（输入0退出）:"); String newPropValue = input.next().trim(); if("0".equals(newPropValue)) { isExit = true; return; } Response checkRes = businessService.checkProp((Shop) res.getData(), prop, newPropValue); System.out.println(checkRes.getMsg()); if("success".equals(checkRes.getCode())){ System.out.println("编辑后的"+ Constant.MAIN_CLASS+"信息："); System.out.println(res.getData()); } } /** * 删除 * @param input */ public static void delete(Scanner input){ System.out.print("请输入需要删除的"+ Constant.MAIN_CLASS+"编号（输入0退出）："); String name = input.next().trim(); if("0".equals(name)) { isExit = true; return; } Response delRes = businessService.delete(name); System.out.println(delRes.getMsg()); } }