1 package Token;
2 import java.security.MessageDigest;
3 import java.security.NoSuchAlgorithmException;
4 import java.text.SimpleDateFormat;
5 import java.util.Date;
6 import java.util.Random;
7 import Decoder.BASE64Encoder;
8
9 //令牌生产器
10 public class TokenProcessor {
11 private TokenProcessor(){}
12 private static TokenProcessor instance = new TokenProcessor();
13 public static TokenProcessor getInstance(){
14 return instance;
15 }
16 public String generateTokeCode(){
17 String value = System.currentTimeMillis()+new Random().nextInt()+"";
18 System.out.println(value);
19
20
21 long currentTime = System.currentTimeMillis();
22 SimpleDateFormat formatter = new SimpleDateFormat("yyyy年-MM月dd日-HH时mm分ss秒");
23 Date date = new Date(currentTime);
24 System.out.println(formatter.format(date));
25
26
27 //获取数据指纹，指纹是唯一的
28 try {
29 MessageDigest md = MessageDigest.getInstance("md5");
30 byte[] b = md.digest(value.getBytes());//产生数据的指纹
31 //Base64编码
32 BASE64Encoder be = new BASE64Encoder();
33 be.encode(b);
34 System.out.println(be.encode(b));
35 return be.encode(b);//制定一个编码
36 } catch (NoSuchAlgorithmException e){
37 e.printStackTrace();
38 }
39 return null;
40 }
41 public static void main(String[] args) {
42 TokenProcessor processor=new TokenProcessor();
43 processor.generateTokeCode();
44 }
45 }
