物流快递系统java,java模拟物流快递系统程序设计
本文实例为大家分享了爪哇岛实现简单快递系统的具体代码,供大家参考,具体内容如下
创建四个类快递,寄存柜,用户,管理员分别模拟快递,快递柜,用户和管理员。
导入Java。util。随机;导入Java。util。扫描仪;/* * * * @作者hxf * * @日期2020/12/12 */公共课测试{静态扫描器英寸=新扫描器(系统。在);公共静态void main(String[] args) { //生成快递柜,但在后续修改快递位置时没考虑越界问题Locker locker=new Locker(10,10);//创建管理员管理员管理员=新管理员(储物柜);//程序主逻辑外部: while(true){ switch(登录(请选择身份:(-1退出0管理员身份一用户身份),1)){ case-1: break outer;案例0:开关(登录(请选择操作:(-1退出0快递录入一删除快递注射毒品修改快递3查看快递)’,3)){ case-1: break;案例0:在。下一行();System.out.println(请输入公司名称:);System.out.println(取件码“:”管理员。存储(在中。nextline());打破;案例1:管理员。移除();打破;案例2:管理员。change();打破;案例3:管理员。show();打破;}破;案例1:开关(登录(请选择操作:(-1退出0取快递),0)){ case-1: break;案例0:在。下一行();获取(储物柜);打破;}破;} } } //生成有效选择,处理无效选择产生的异常公共静态int log in(String String,int n){ try { system。出去。println(字符串);int select=in。nextint();if(选择n 选择-1){ system。出去。println(请输入有效选择!);英寸next line();返回login(string,n);}返回选择}捕捉(异常e){
System.out.println("请输入有效选择!"); in.nextLine(); return login(string, n); } } // 用户取快递,确保输入有效验证码 public static void fetch(Locker locker){ System.out.println("请输入六位验证码:"); String code = in.nextLine(); User user = new User(code, locker); if (user.fetch()){ System.out.println("取件成功"); }else { System.out.println("验证码有误,请重新输入!"); fetch(locker); } }}class Express { /** * @param code: 6位验证码,数字字符串 * @param company: 公司名称 * @param number: 14位快递单号, 数字字符串 * @param position: 快递存放位置 * @author hxf * @describe: 快递 * @date 2020/12/11 1:17 */ private final String code; private String company; private final String number; private int[] position; public Express(String code, String company, String number, int[] position) { this.code = code; this.company = company; this.number = number; this.position = position; } public String getCode() { return code; } public String getCompany() { return company; } public String getNumber() { return number; } public int[] getPosition() { return position; } public void setCompany(String company) { this.company = company; } public void setPosition(int row, int column) { this.position[0] = row; this.position[1] = column; } @Override public String toString() { StringBuilder stringBuilder = new StringBuilder(); stringBuilder.append("快递信息简介{"); stringBuilder.append("快递公司:"); stringBuilder.append(company); stringBuilder.append(", 快递单号:"); stringBuilder.append(number); stringBuilder.append(", 存放位置:"); stringBuilder.append("第"); stringBuilder.append(position[0]); stringBuilder.append("排,第"); stringBuilder.append(position[1]); stringBuilder.append("列"); return stringBuilder.toString(); }}class Locker { /** * @param code: 存储Express * @param random: 随机数生成器 * @param position: 存放临时快递位置 * @param LENGTH_OF_CODE: 验证码长度 * @author hxf * @describe: 快递柜 * @date 2020/12/11 1:25 */ Express[][] code; Random random; int[] position; private final int LENGTH_OF_CODE = 6; private final int LENGTH_OF_NUMBER = 14; public Locker(int row, int column){ code = new Express[row][column]; random = new Random(); position = new int[2]; } // 生成验证码 public String generateCode(){ StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < LENGTH_OF_CODE; i++){ stringBuilder.append(random.nextInt(10)); } String string = stringBuilder.toString(); checkCode(string); return position[0] == -1 ? string : generateCode(); } // 生成快递单号 public String generateNumber(){ StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < LENGTH_OF_NUMBER; i++){ stringBuilder.append(random.nextInt(10)); } String string = stringBuilder.toString(); checkNumber(string); return position[0] == -1 ? string : generateNumber(); } //生成存放位置 public int[] generatePosition(){ int row = random.nextInt(code.length); int column = random.nextInt(code[0].length); if (code[row][column] != null){ return generatePosition(); }else{ position[0] = row; position[1] = column; return position; } } // 检查有无重复验证码,有则将position改成相应位置,无则position第一个元素为-1 public void checkCode(String string){ position[0] = -1; outer: for (int i = 0; i < code.length; i++){ for (int j = 0; j < code[0].length; j++) { if (code[i][j] != null && code[i][j].getCode().equals(string)) { position[0] = i; position[1] = j; break outer; } } } } // 检查有无重复快递单号 public void checkNumber(String string){ position[0] = -1; outer: for (int i = 0; i < code.length; i++){ for (int j = 0; j < code[0].length; j++) { if (code[i][j] != null && code[i][j].getNumber().equals(string)) { position[0] = i; position[1] = j; break outer; } } } } // 将快递存入快递柜 public String store(Express express){ code[position[0]][position[1]] = express; return express.getCode(); } public void store(Express express, int row, int column){ code[row][column] = express; } // 取出快递 public Express fetch(){ Express express = code[position[0]][position[1]]; code[position[0]][position[1]] = null; return express; } public int[] getPosition() { return position; } // 打印所有快递信息 public void check(){ int count = 0; for (Express[] expresses: code){ for (Express express : expresses){ if (express != null){ System.out.println(express.toString()); count++; } } } if (count == 0){ System.out.println("无快递"); } }}class User { /** *@Param: code: 验证码 *@Param: locker: 快递柜 *@Author: hxf *@date: 2020/12/12 */ private final String code; private Locker locker; public User(String code, Locker locker) { this.code = code; this.locker = locker; } // 取快递 public boolean fetch(){ locker.checkCode(code); if (locker.getPosition()[0] == -1){ return false; }else { System.out.println(locker.fetch().toString()); return true; } }}class Administrator { /** *@Param: locker: 快递柜 *@Author: hxf *@date: 2020/12/12 */ Locker locker; Scanner in = new Scanner(System.in); public Administrator(Locker locker) { this.locker = locker; } // 录入快递 public String store(String company){ String number = locker.generateNumber(); String code = locker.generateCode(); int[] position = locker.generatePosition(); return locker.store(new Express(code, company, number, position)); } // 删除快递 public void remove(){ System.out.println("请输入14位快递单号:"); String number = in.nextLine(); locker.checkNumber(number); if (locker.getPosition()[0] != -1){ System.out.println("单号为"+locker.fetch().getNumber()+"的快递已经删除"); }else{ System.out.println("快递单号不存在,请重试"); remove(); } } // 修改快递 public void change(){ System.out.println("请输入14位快递单号:"); String number = in.nextLine(); locker.checkNumber(number); if (locker.getPosition()[0] != -1){ Express express = locker.fetch(); System.out.println("请输入新的快递公司:"); express.setCompany(in.nextLine()); System.out.println("请输入新的位置:(先行后列,空格隔开)"); int row = in.nextInt(); int column = in.nextInt(); express.setPosition(row, column); locker.store(express, row, column); System.out.println("修改成功!"); }else{ System.out.println("快递单号不存在,请重试"); change(); } } // 显示所有快递信息 public void show(){ locker.check(); }}以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持盛行IT。
郑重声明:本文由网友发布,不代表盛行IT的观点,版权归原作者所有,仅为传播更多信息之目的,如有侵权请联系,我们将第一时间修改或删除,多谢。