Java 自动创建会员信息--包含用户名，卡号，密码，电话号码

Posted 2022-06-05 twuxian

|--需求说明

1、自动注册一堆会员账号并保存为本地文件

2、关闭程序，载入本地文件，可以用注册出来的会员账号及密码登录

 

|--实现方式

1、使用随机的方式生成会员信息

2、使用ObjectOutputStream和ObjectInputStream 对会员信息进行保存和读取

 

|--代码内容

 1 package cn.save;
 2 
 3 import java.io.Serializable;
 4 
 5 /**
 6  * @auther:：9527
 7  * @Description: 用户类
 8  * @program: shi_yong
 9  * @create: 2019-08-02 15:45
10  */
11 public class User implements Serializable 
12     private String name;
13     private String cardId;
14     private String phoneNum;
15     private String passWord;
16 
17     public User() 
18     
19 
20     public User(String name, String cardId, String phoneNum, String passWord) 
21         this.name = name;
22         this.cardId = cardId;
23         this.phoneNum = phoneNum;
24         this.passWord = passWord;
25     
26 
27     public String getName() 
28         return name;
29     
30 
31     public void setName(String name) 
32         this.name = name;
33     
34 
35     public String getCardId() 
36         return cardId;
37     
38 
39     public void setCardId(String cardId) 
40         this.cardId = cardId;
41     
42 
43     public String getPhoneNum() 
44         return phoneNum;
45     
46 
47     public void setPhoneNum(String phoneNum) 
48         this.phoneNum = phoneNum;
49     
50 
51     public String getPassWord() 
52         return passWord;
53     
54 
55     public void setPassWord(String passWord) 
56         this.passWord = passWord;
57     
58 
59     @Override
60     public String toString() 
61         return "User" +
62                 "name=‘" + name + ‘\\‘‘ +
63                 ", cardId=‘" + cardId + ‘\\‘‘ +
64                 ", phoneNum=‘" + phoneNum + ‘\\‘‘ +
65                 ", passWord=‘" + passWord + ‘\\‘‘ +
66                 ‘‘;
67     
68 

User类--初始化会员信息

  1 package cn.save;
  2 
  3 import com.sun.xml.internal.txw2.output.DumpSerializer;
  4 
  5 import java.util.ArrayList;
  6 import java.util.HashMap;
  7 import java.util.Map;
  8 import java.util.Random;
  9 
 10 /**
 11  * @auther:：9527
 12  * @Description:
 13  * @program: shi_yong
 14  * @create: 2019-08-02 15:48
 15  */
 16 public class Meth 
 17 
 18     //创建HashMap的方法
 19     public HashMap<String, User> getMap(String name, String cardId, String phoneNum, String passWord) 
 20         HashMap<String, User> map = new HashMap<>();
 21         User user = new User();
 22         user.setName(name);
 23         user.setCardId(cardId);
 24         user.setPhoneNum(phoneNum);
 25         user.setPassWord(passWord);
 26 
 27         map.put(user.getName(),user);
 28 
 29 
 30 
 31         return map;
 32     
 33 
 34     //批量创建会员卡，创建的会员信息是传参加1
 35     public HashMap<String, User> getMap(int num)
 36         HashMap<String, User> map = new HashMap<>();
 37         //恒定创建一个tom的会员信息，以便记忆
 38         User us1 = new User("tom","cp936","15393571586","95273");
 39         map.put(us1.getName(),us1);
 40         for (int i = 0; i < num; i++) 
 41             //String name, String cardId, String phoneNum, String passWord
 42             User user = new User();
 43             user.setName(name());
 44             user.setCardId(cardId());
 45             user.setPhoneNum(phoneNum());
 46             user.setPassWord(getPWD());
 47             map.put(user.getName(),user);
 48         
 49 
 50         return map;
 51     
 52 
 53 
 54 
 55     //随机生成6位密码的方法
 56     public String getPWD() 
 57         String code = "";
 58         for (int i = 0; i < 6; i++) 
 59             //设定布尔值，根据布尔值确定本轮使用数字还是使用字母
 60             boolean boo = ((int) (Math.random() * 2)) == 0 ? true : false;
 61             if (boo) 
 62                 //如果布尔为真，则本次密码加一个数字
 63                 code += (int) (Math.random() * 10);
 64              else 
 65                 int temp = ((int) (Math.random() * 2)) == 0 ? 65 : 97;
 66                 code += (char) ((int) (Math.random() * 26) + temp);
 67             
 68         
 69         return code;
 70     
 71 
 72     //随机创建帐号的方法
 73     public String cardId() 
 74         Random random = new Random();
 75         String cardId = String.valueOf(random.nextInt(99999999));
 76         return cardId;
 77     
 78 
 79     //生成随机电话号码的方法
 80     public String phoneNum() 
 81         //给予真实的初始号段，号段是在百度上面查找的真实号段
 82         String[] start = "133", "149", "153", "173", "177",
 83                 "180", "181", "189", "199", "130", "131", "132",
 84                 "145", "155", "156", "166", "171", "175", "176", "185", "186", "166", "134", "135",
 85                 "136", "137", "138", "139", "147", "150", "151", "152", "157", "158", "159", "172",
 86                 "178", "182", "183", "184", "187", "188", "198", "170", "171";
 87         //随机出一个号段
 88         String fistNum = start[(int) (Math.random() * start.length)];
 89         //随机出一个尾号
 90         String lastNum = "";
 91         for (int i = 0; i < 8; i++) 
 92             lastNum += (int) (Math.random() * 10);
 93         
 94         //手机号就是手机号段+尾号
 95         String phoneNum = fistNum + lastNum;
 96         return phoneNum;
 97     
 98 
 99     //创建用户名的方法
100     public String name() 
101         String code = "";
102         for (int i = 0; i < 4; i++) 
103             code += (char) ((int) (Math.random() * 26) + 97);
104         
105         return code;
106     
107 
108 
109 
110 
111 
112 

方法类--创建HashMap、随机创建会员信息的所有方法

 1 package cn.save;
 2 
 3 import java.io.FileNotFoundException;
 4 import java.io.FileOutputStream;
 5 import java.io.IOException;
 6 import java.io.ObjectOutputStream;
 7 import java.util.HashMap;
 8 
 9 /**
10  * @auther:：9527
11  * @Description: 保存批量注册的信息的程序入口
12  * @program: shi_yong
13  * @create: 2019-08-02 17:46
14  */
15 public class Save 
16     public static void main(String[] args) 
17         HashMap<String, User> map = new HashMap<>();
18         Meth meth = new Meth();
19         //随机创建10+1组帐号密码
20         map = meth.getMap(10);
21 
22         //创建对象输出的方式
23         ObjectOutputStream oos = null;
24         FileOutputStream fos = null;
25 
26         try 
27             fos = new FileOutputStream("d:/userinfo");
28             oos = new ObjectOutputStream(fos);
29             oos.writeObject(map);
30             oos.flush();
31          catch (FileNotFoundException e) 
32             e.printStackTrace();
33          catch (IOException e) 
34             e.printStackTrace();
35          finally 
36             try 
37                 oos.close();
38                 fos.close();
39                 System.out.println("文件已保存并关闭相应进程");
40              catch (IOException e) 
41                 e.printStackTrace();
42             
43         
44     
45 

使用ObjectOutputStream保存信息

 1 package cn.save;
 2 
 3 import java.io.FileInputStream;
 4 import java.io.FileNotFoundException;
 5 import java.io.IOException;
 6 import java.io.ObjectInputStream;
 7 import java.util.HashMap;
 8 import java.util.Scanner;
 9 
10 /**
11  * @auther:：9527
12  * @Description:
13  * @program: shi_yong
14  * @create: 2019-08-02 15:45
15  */
16 public class Register 
17     public static void main(String[] args) 
18         Scanner scanner = new Scanner(System.in);
19         ObjectInputStream ois = null;
20         FileInputStream fis = null;
21         HashMap<String,User> map = null;
22 
23         try 
24             fis = new FileInputStream("d:/userinfo");
25             ois = new ObjectInputStream(fis);
26 
27             map = (HashMap<String, User>)ois.readObject();
28 
29             System.out.println("请输入会员名");
30             String name = scanner.next();
31             System.out.println("请输入你的密码");
32             String pwd = scanner.next();
33 
34             if (map.containsKey(name))
35                 if (map.get(name).getPassWord().equals(pwd))
36                     System.out.println("登录成功，你的会员信息如下：   \\n卡号"+map.get(name).getCardId()
37                             +"\\n电话号码："+map.get(name).getPhoneNum());
38 
39 
40                     System.out.println("登录成功，你的会员信息如下：   \\n卡号"+map.get(name).toString());
41                 
42             else 
43                 System.out.println("没有找到这个会员名");
44             
45 
46 
47 
48 
49          catch (FileNotFoundException e) 
50             e.printStackTrace();
51          catch (IOException e) 
52             e.printStackTrace();
53          catch (ClassNotFoundException e) 
54             e.printStackTrace();
55         
56 
57     
58 

登录类---用于载入数据并登录

 

|--运行结果