IC卡管理系统（Java基础）

系统类

import java.util.Scanner;

import demo.d1021.CreatName;

/**

需求分析：
1、注册IC
2、查询
3、注销
4、充值
5、登录
概要设计：
用户属性（user）：姓名、卡号、电话、金额、学号、密码
存储方式：使用数组存放IC
@author liujx

public class ICManager {

private static User[] users = new User[1000];
private static Scanner in = new Scanner(System.in);//静态块
static {users[0] = new User(CreatName.createName(),"15070180224","15197644583","0000");users[1] = new User(CreatName.createName(),"16040230133","13732642455","0000");users[2] = new User(CreatName.createName(),"14050460412","17844642151","0000");users[3] = new User(CreatName.createName(),"18020130205","16964648453","0000");users[4] = new User(CreatName.createName(),"16010340344","13678641545","0000");users[5] = new User(CreatName.createName(),"14030410136","15563641542","0000");users[6] = new User(CreatName.createName(),"17060340322","14292641542","0000");
}public static void main(String[] args) {// 输出登录菜单showLoginMenu();System.out.println("登录成功！");// 打开主菜单showMainMenu();}/*** 登录菜单*/
private static void showLoginMenu() {//登入计数器int count = 0;while (true) {System.out.println("**********************");System.out.println("*   欢迎使用IC卡管理系统        *");System.out.println("**********************");System.out.print("*请输入用户名：");String name = in.next();System.out.print("*请输密码：");String passWord = in.next();if ("ljx".equals(name) && "7371".equals(passWord)) {return;} else {if (count == 2) {System.out.println("您已输入错误3次，系统将自动退出！");in.nextLine();in.nextLine();System.exit(-1);} else {System.out.println("用户名或密码错误，请重新输入！");System.out.println("按任意键继续。。。");in.nextLine();in.nextLine();}count++;}}
}/*** 打开主菜单*/
private static void showMainMenu() {System.out.println("***********************");System.out.println("*    欢迎使用IC卡管理系统        *");System.out.println("***********************");System.out.println("*        1 注册                       *");System.out.println("*        2 查询                       *");System.out.println("*        3 注销                       *");System.out.println("*        4 充值                       *");System.out.println("*        0 退出                       *");System.out.println("***********************");System.out.print("*请选择操作：");int hd = in.nextInt();//输入操作错误，重新输入while(true){if(hd == 0 || hd == 1 || hd == 2 || hd == 3 || hd == 4){break;} else {System.out.print("*输入错误！请重新选择操作：");hd = in.nextInt();}}switch (hd) {case 1:signIn();     //注册break;case 2:inquire();    //查询break;case 3:logOut();     //注销break;case 4:topUp();      //充值break;default:System.out.println("欢迎再次使用！再见");System.exit(-1);    //退出系统}}/*** 注册*/
private static void signIn() {//创建对象User user = new User();System.out.println("***********************");System.out.println("*    欢迎使用IC卡管理系统        *");System.out.println("*         注册                          *");System.out.println("***********************");System.out.println("*请输入注册信息");System.out.print("*姓名：");user.setName(in.next());System.out.print("*学号：");user.setStuNum(in.next());System.out.print("*电话：");user.setPhoneNum(in.next());System.out.print("*密码：");user.setPassWord(in.next());System.out.println("注册成功，您的卡号为：" + user.getCardNum());addUser(user);goBack();}/*** 查询*/
private static void inquire() {System.out.println("***********************");System.out.println("*    欢迎使用IC卡管理系统        *");System.out.println("*         查询                          *");System.out.println("***********************");System.out.println("序号\t" + "姓名\t" + "学号\t\t" + "电话号码\t\t" + "金额\t" + "卡号\t");for(int i = 0; i <= users.length; i++){if(users[i] != null){System.out.print(i+1 + "\t");System.out.println(users[i]);} else {break;}}goBack();}/*** 注销*/
private static void logOut() {System.out.println("***********************");System.out.println("*    欢迎使用IC卡管理系统        *");System.out.println("*         注销                          *");System.out.println("***********************");while (true) {//录入注销的卡号System.out.print("*请输入注销卡号(输入0退出)：");String cID = in.next();//输入0退出if("0".equals(cID)){showMainMenu();break;}//遍历IC用户数组for(int i = 0; i < users.length; i++) {//查找IC用户，对比卡号if(users[i] != null && cID.equals(users[i].getCardNum())){//将该用户设置为空  nullusers[i] = null;//将后面的元素向前推进一位for(int j = i + 1; j < users.length; j++){if(users[j] != null){users[j - 1] = users[j];users[j] = null;} else {break;}}System.out.println("*注销成功！");goBack();return;}}//如果正常的退出for循环，证明要注销的用户没有找到System.out.println("*您要注销的用户不存在！请重新输入。。。。");in.nextLine();}}/*** 充值*/
private static void topUp() {System.out.println("***********************");System.out.println("*    欢迎使用IC卡管理系统        *");System.out.println("*         充值                          *");System.out.println("***********************");System.out.println("*       1 单人充值                   *");System.out.println("*       2 多人充值                   *");System.out.println("*       3 输入完成                   *");System.out.println("*       0 退出充值                   *");System.out.println("***********************");System.out.print("*请选择充值方式：");int select = in.nextInt();// 输入操作错误，重新输入while (true) {if (select == 0 || select == 1 || select == 2) {break;} else {System.out.print("*输入错误！请重新选择充值方式：");select = in.nextInt();}}switch (select) {case 1 : oneTopUp();break;case 2 :mulTopUp();break;case 0 :showMainMenu();break;}}/*** 多人充值*/private static void mulTopUp() {String[] cardNum = new String[users.length];int count = 1;  //记入充值个数while (true) {//录入充值卡号System.out.print("*请输入充值卡号" + count + "：");String cID = in.next();//输入0退出if("0".equals(cID)){showMainMenu();break;}//输入0退出if("3".equals(cID)){break;}//遍历IC用户数组for(int i = 0; i < users.length; i++) {//查找IC用户，对比卡号if(users[i] != null && cID.equals(users[i].getCardNum())){cardNum[count - 1] = cID;}}if(cardNum[count - 1] == null){//如果正常的退出for循环，证明要注销的用户没有找到System.out.println("*您要注销的用户不存在！请重新输入。。。。");in.nextLine();} else {count ++;}}// 遍历IC用户数组,充值for (int i = 0; i < users.length; i++) {if (cardNum[i] == null) {System.out.println("*充值完成！");break;} else {for (int j = 0; j < users.length; j++) {// 查找IC用户，对比卡号if (cardNum[i].equals(users[j].getCardNum())) {System.out.print("*" + users[j].getCardNum() + "号卡余额：" + users[j].getMoney());System.out.println();System.out.print("*充值金额：");users[j].setMoney(in.nextInt() + users[j].getMoney());break;}}}}goBack();}/*** 单人充值*/private static void oneTopUp() {while (true) {//录入充值卡号System.out.print("*请输入充值卡号：");String cID = in.next();//输入0退出if("0".equals(cID)){showMainMenu();break;}//遍历IC用户数组for(int i = 0; i < users.length; i++) {//查找IC用户，对比卡号if(users[i] != null && cID.equals(users[i].getCardNum())){if (cID.equals(users[i].getCardNum())) {System.out.print("*卡余额：" + users[i].getMoney());System.out.println();System.out.print("*充值金额：");users[i].setMoney(in.nextInt() + users[i].getMoney());System.out.println("*充值完成！");goBack();return;}}}//如果正常的退出for循环，证明要注销的用户没有找到System.out.println("*您要注销的用户不存在！请重新输入。。。。");in.nextLine();}}/*** 存入数组* @param user*/private static void addUser(User user) {for(int i = 0; i < users.length; i++){if(users[i] == null){users[i] = user;break;}}}/*** 返回上一级*/private static void goBack() {System.out.println("输入0返回上一级。。。。");String a = in.next();if(a != null){System.out.println();showMainMenu();}}

}

用户类

import java.util.Random;

public class User {

//用户属性（user）：姓名、卡号、电话、金额、学号、密码private String name;private String stuNum;private String phoneNum;private int money;private String cardNum;private String passWord;public User() {super();this.money = 0;this.cardNum = this.creatNum();}public User(String name, String stuNum, String phoneNum, String passWord) {this.name = name;this.stuNum = stuNum;this.phoneNum = phoneNum;this.money = 0;this.cardNum = this.creatNum();this.passWord = passWord;}/*** 自动生成卡号* @return*/public String creatNum() {Random r = new Random();long time = System.currentTimeMillis() * r.nextInt();  //返回系统时间戳String sn = "" +  time;   //将数字转换成字符串//截取后6位sn = sn.substring(sn.length() - 4, sn.length());return sn;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getStuNum() {return stuNum;}public void setStuNum(String stuNum) {this.stuNum = stuNum;}public String getPhoneNum() {return phoneNum;}public void setPhoneNum(String phoneNum) {this.phoneNum = phoneNum;}public int getMoney() {return money;}public void setMoney(int money) {this.money = money;}public String getCardNum() {return cardNum;}public void setCardNum(String cardNum) {this.cardNum = cardNum;}public String getPassWord() {return passWord;}public void setPassWord(String passWord) {this.passWord = passWord;}/*** to String 方法用于将当前对象以字符串形势输出*/public String toString() {return this.name + "\t" + this.stuNum + "\t" + this.phoneNum + "\t" + this.money + "\t" + this.cardNum + "\t";}

}

随机生成名字类

import java.util.Random;

public class CreatName {

static String[] xings = { "赵", "钱", "孙", "李", "周", "吴", "郑", "王", "冯", "陈", "褚", "卫", "蒋", "沈", "韩", "杨", "朱", "秦", "尤","许", "何", "吕", "施", "张", "孔", "曹", "严", "华", "金", "魏", "陶", "姜", "戚", "谢", "邹", "喻", "柏", "水", "窦", "章","云", "苏", "潘", "葛", "奚", "范", "彭", "郎", "鲁", "韦", "昌", "马", "苗", "凤", "花", "方", "俞", "任", "袁", "柳", "酆","鲍", "史", "唐", "费", "廉", "岑", "薛", "雷", "贺", "倪", "汤", "滕", "殷", "罗", "毕", "郝", "邬", "安", "常", "乐", "于","时", "傅", "皮", "卞", "齐", "康", "伍", "余", "元", "卜", "顾", "孟", "平", "黄", "和", "穆", "萧", "尹", "姚", "邵", "湛","汪", "祁", "毛", "禹", "狄", "米", "贝", "明", "臧", "计", "伏", "成", "戴", "谈", "宋", "茅", "庞", "熊", "纪", "舒", "屈","项", "祝", "董", "梁", "杜", "阮", "蓝", "闵", "席", "季", "麻", "强", "贾", "路", "娄", "危", "江", "童", "颜", "郭", "梅","盛", "林", "刁", "钟", "徐", "邱", "骆", "高", "夏", "蔡", "田", "樊", "胡", "凌", "霍", "虞", "万", "支", "柯", "昝", "管","卢", "莫", "经", "房", "裘", "缪", "干", "解", "应", "宗", "丁", "宣", "贲", "邓", "郁", "单", "杭", "洪", "包", "诸", "左","石", "崔", "吉", "钮", "龚", "程", "嵇", "邢", "滑", "裴", "陆", "荣", "翁", "荀", "羊", "於", "惠", "甄", "麴", "家", "封","芮", "羿", "储", "靳", "汲", "邴", "糜", "松", "井", "段", "富", "巫", "乌", "焦", "巴", "弓", "牧", "隗", "山", "谷", "车","侯", "宓", "蓬", "全", "郗", "班", "仰", "秋", "仲", "伊", "宫", "宁", "仇", "栾", "暴", "甘", "钭", "厉", "戎", "祖", "武","符", "刘", "景", "詹", "束", "龙", "叶", "幸", "司", "韶", "郜", "黎", "蓟", "薄", "印", "宿", "白", "怀", "蒲", "邰", "从","鄂", "索", "咸", "籍", "赖", "卓", "蔺", "屠", "蒙", "池", "乔", "阴", "郁", "胥", "能", "苍", "双", "闻", "莘", "党", "翟","谭", "贡", "劳", "逄", "姬", "申", "扶", "堵", "冉", "宰", "郦", "雍", "舄", "璩", "桑", "桂", "濮", "牛", "寿", "通", "边","扈", "燕", "冀", "郏", "浦", "尚", "农", "温", "别", "庄", "晏", "柴", "瞿", "阎", "充", "慕", "连", "茹", "习", "宦", "艾","鱼", "容", "向", "古", "易", "慎", "戈", "廖", "庾", "终", "暨", "居", "衡", "步", "都", "耿", "满", "弘", "匡", "国", "文","寇", "广", "禄", "阙", "东", "殴", "殳", "沃", "利", "蔚", "越", "夔", "隆", "师", "巩", "厍", "聂", "晁", "勾", "敖", "融","冷", "訾", "辛", "阚", "那", "简", "饶", "空", "曾", "毋", "沙", "乜", "养", "鞠", "须", "丰", "巢", "关", "蒯", "相", "查","後", "荆", "红", "游", "竺", "权", "逯", "盖", "益", "桓", "公", "万俟", "司马", "上官", "欧阳", "夏侯", "诸葛", "闻人", "东方", "赫连","皇甫", "尉迟", "公羊", "澹台", "公冶", "宗政", "濮阳", "淳于", "单于", "太叔", "申屠", "公孙", "仲孙", "轩辕", "令狐", "钟离", "宇文", "长孙","慕容", "鲜于", "闾丘", "司徒", "司空" };static String[] mings = { "灿","洛", "璟", "煜", "芮", "睿", "晨", "熠", "悟", "莹", "颖", "语", "烜", "瑄", "萱", "轩", "珸", "羽", "璇", "允","芸", "沺", "苒", "阳", "煦", "珊", "灿", "耀", "烨", "诺", "玥", "悦", "跃", "峥", "知", "智", "旭", "珝", "珬", "珂", "姁","琬", "妧", "炎", "妍", "珚", "彦", "琰", "婷", "琅", "朗", "卓", "琢", "凡", "思", "宇", "郁", "碧凡", "夏菡", "曼香", "若烟","半梦", "雅绿", "冰蓝", "灵槐", "平安", "书翠", "翠风", "香巧", "代云", "友巧", "听寒", "梦柏", "醉易", "访旋", "亦玉", "凌萱", "访卉", "怀亦","笑蓝", "春翠", "靖柏", "书雪", "乐枫", "念薇", "靖雁", "寻春", "恨山", "从寒", "忆香", "觅波", "静曼", "凡旋", "新波", "代真", "新蕾", "雁玉","冷卉", "紫山", "千琴", "恨天", "傲芙", "盼山", "怀蝶", "冰兰", "问旋", "从南", "白易", "问筠", "如霜", "半芹", "寒雁", "怜云", "寻文", "谷雪","乐萱", "涵菡", "海莲", "傲蕾", "青槐", "冬儿", "易梦", "惜雪", "宛海", "之柔", "夏青" };/*** 从网上搜索n（n>100）个常用姓氏，和 100个常用名，随机组合产生一个名字*/static Random r = new Random();int xing = r.nextInt(xings.length);
int ming = r.nextInt(mings.length);public static String createName() {int xing = r.nextInt(xings.length);int ming = r.nextInt(mings.length);String name = xings[xing] + mings[ming];return name;}
}

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