Java：java-jwt实现JsonWebToken

文档：https://github.com/auth0/java-jwt

依赖

 <!-- JWT依赖 -->
 <dependency> <groupId>com.auth0</groupId> <artifactId>java-jwt</artifactId> <version>3.4.0</version>
 </dependency>


  

 

  
1
  
2
  
3
  
4
  
5
  
6
  
7
 

代码示例

package com.mouday;


import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTVerifier;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.Claim;
import com.auth0.jwt.interfaces.DecodedJWT;
import org.junit.jupiter.api.Test;

import java.util.Date;
import java.util.Map;

public class JwtDemo { //过期时间  120秒后 private long expire = 120; // 秘钥 private String secret = "123456"; @Test public void createJwt() { Date now = new Date(); Date expireDate = new Date(now.getTime() + expire * 1000); Algorithm algorithm = Algorithm.HMAC256(secret); String token = JWT.create() .withClaim("id", 12) // 增加Payload数据 .withExpiresAt(expireDate)  // 过期时间 .sign(algorithm); System.out.println(token); } @Test public void decodeJwt() { String token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6MTIsImV4cCI6MTYwNzg3MjM5NH0.J5ih6dffc7z3D2ckYDCe61JuhsQJLXjQuDIUGMip94s"; DecodedJWT jwt = JWT.decode(token); System.out.println(jwt.getToken()); System.out.println(jwt.getHeader()); System.out.println(jwt.getPayload()); System.out.println(jwt.getSignature()); // 获取Payload中的数据 Map<String, Claim> claims = jwt.getClaims(); //Key is the Claim name Integer id = claims.get("id").asInt(); System.out.println(id); } @Test public void verifyJwt() { String token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6MTIsImV4cCI6MTYwNzg3MjM5NH0.J5ih6dffc7z3D2ckYDCe61JuhsQJLXjQuDIUGMip94s"; Algorithm algorithm = Algorithm.HMAC256(secret); JWTVerifier verifier = JWT.require(algorithm).build(); //Reusable verifier instance try { verifier.verify(token); System.out.println("验证成功"); } catch (Exception e) { e.printStackTrace(); } }
}


  

 

  
1
  
2
  
3
  
4
  
5
  
6
  
7
  
8
  
9
  
10
  
11
  
12
  
13
  
14
  
15
  
16
  
17
  
18
  
19
  
20
  
21
  
22
  
23
  
24
  
25
  
26
  
27
  
28
  
29
  
30
  
31
  
32
  
33
  
34
  
35
  
36
  
37
  
38
  
39
  
40
  
41
  
42
  
43
  
44
  
45
  
46
  
47
  
48
  
49
  
50
  
51
  
52
  
53
  
54
  
55
  
56
  
57
  
58
  
59
  
60
  
61
  
62
  
63
  
64
  
65
  
66
  
67
  
68
 

文章来源: pengshiyu.blog.csdn.net，作者：彭世瑜，版权归原作者所有，如需转载，请联系作者。

原文链接：pengshiyu.blog.csdn.net/article/details/111151548