快递驿站简单版，适用于java基础小白食用

package com.jinhuan.chapter04.no4_4.task_010302_003.view; import com.jinhuan.chapter04.no4_2.exception.CantFindExpressException; import com.jinhuan.chapter04.no4_4.task_010302_003.dao.ExpressDao; import com.jinhuan.chapter04.no4_4.task_010302_003.entity.Express; import com.jinhuan.chapter04.no4_4.task_010302_003.entity.ExpressMessage; import com.jinhuan.chapter04.no4_4.task_010302_003.exception.ExpressIsExistException; import com.jinhuan.chapter04.no4_4.task_010302_003.exception.InputErrorException; import com.jinhuan.chapter04.no4_4.task_010302_003.exception.OutOfBoundException; import com.jinhuan.chapter04.no4_4.task_010302_003.exception.OutOfSpaceException; import java.util.Scanner; /** * @Author jinhuan * @Date 2022/4/22 9:26 * Description: */ public class ExpressView { private static Scanner input = new Scanner(System.in); private static ExpressDao expressDao = new ExpressDao(); private static final int TRANSPORTNUM_LENGTH = 6; /** * 初始化菜单 * */ public void inintMenu() { System.out.println("===========欢迎使用Quiet快递驿站服务系统==========="); do { System.out.println("请输入您的身份： 1-管理员 2-用户 0-退出"); String receive = input.nextLine(); try { //调用指令检查方法 if(orderCheck(receive, 0, 2)){ //说明数据输入合法 if("1".equals(receive)){ //进入管理员界面 System.out.println("欢迎进入管理员界面！"); adminstor(); }else if("2".equals(receive)){ System.out.println("欢迎进入用户界面！"); userMenu(); }else { System.out.println("谢谢使用！已安全退出！"); } break; } } catch ( NumberFormatException e) { System.out.println(e.getMessage()); } } while (true); } /** * 管理员界面 * */ public void adminstor(){ do{ System.out.println("请输入指令：1-快递录入 2-删除快递 3-修改快递 4-查看所有快递 0-返回上一级"); String receive = input.nextLine(); if(orderCheck(receive,0,4)){ //说明数据输入合法 switch (receive) { case "1": System.out.println("进入快递录入界面："); addExpressMenu(); break; case "2": System.out.println("进入快递删除界面："); deleteExpressMenu(); break; case "3": System.out.println("进入快递修改界面："); alterExpressMenu(); break; case "4": System.out.println("进入快递查看界面："); showExpressMenu(); break; default: System.out.println("已返回上一级！"); inintMenu(); break; } break; } }while (true); } /** * 用户界面 */ private void userMenu() { do{ System.out.println("请输入指令：1-取快递 0-返回上一级"); String receive = input.nextLine(); if(orderCheck(receive, 0, 1)){ if ("1".equals(receive)){ do { System.out.println("请输入取件码："); String code = input.nextLine(); Express findExpress = expressDao.getExpressByPicCode(code); if (findExpress != null){ expressDao.deleteExpressByTransportCode(findExpress.getTransportNum()); System.out.println("快递已取出！"); System.out.println("是否继续取件？ 1-是 0-否"); String num = input.nextLine(); if(orderCheck(num,0,1)){ if("0".equals(num)){ userMenu(); return; } } }else{ System.out.println("查询不到对应的快递信息！请检查取件码后重试！"); } }while (true); }else{ inintMenu(); return; } } }while (true); } /** * 快递录入操作面板 */ private void addExpressMenu() { while (true){ System.out.println("请输入要录入的快递单号及承运公司："); try { System.out.println("请输入运单号："); String transPortNum = input.nextLine(); if (checkTransPortNum(transPortNum)){ System.out.println("请输入承运公司："); String company = input.nextLine(); if (checkInput(company)){ if (expressDao.findExpressByTransportNum(transPortNum) == null) { Express express = new Express(transPortNum, company, true); //获取存储位置 ExpressMessage expressMessage = expressDao.add(express); System.out.println("快递存入成功！取件码为："+expressMessage.getPicCode()+";在第" + (expressMessage.getX() + 1) + "排第" + (expressMessage.getY() + 1) + "列储物柜中!"); while (true){ try{ System.out.println("是否继续存快递？ 1-是 0-否"); String receiveNum = input.nextLine(); if (checkInput(receiveNum)){ if (orderCheck(receiveNum, 0, 1)) { if ("0".equals(receiveNum)) { adminstor(); return; } } break; } }catch (InputErrorException e){ System.out.println(e.getMessage()); } } }else { throw new ExpressIsExistException("快递单号已存在，请重新录入"); } } } } catch ( ExpressIsExistException | InputErrorException | OutOfSpaceException e) { System.out.println(e.getMessage()); } } } /** * 快递删除修改界面 */ private void deleteExpressMenu() { if (expressDao.getSize() == 0){ System.out.println("当前快递柜为空！"); adminstor(); return; } do{ System.out.println("请输入要删除的快递单号："); try{ String transportCode = input.nextLine();