- 在pom.xml中添加依赖
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.6.0</version>
</dependency>
- 编写创建Jwt的代码
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import java.util.Date;
/**
* @author Mi
* @version 1.0
* @description: TODO
* @date 2022/1/6 15:37
*/
public class Jwt1Produce {
public static void main(String[] args) {
//创建jwt代码
//Jwt的密钥
String signKey="xiaofengKey";
//创建jwt
JwtBuilder jwtBuilder = Jwts.builder().setId("20181004").setSubject("qinghuaci")
.setIssuedAt(new Date())
.claim("userName","xiaofengcanyue")
.claim("password","123456")
//设置签名值
.signWith(SignatureAlgorithm.HS256,signKey);
System.out.println(jwtBuilder.compact());
}
}
运行生成Jwt
- 测试解码生成的Jwt
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
/**
* 将2中的Jwt解码
* @author Mi
* @version 1.0
* @description: TODO
* @date 2022/1/6 16:14
*/
public class Jwt2Decrypt {
private static final String signKey = "xiaofengKey";
public static void main(String[] args) {
String jwt = "eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiIyMDE4MTAwNCIsInN1YiI6InFpbmdodWFjaSIsImlhdCI6MTY0MTU2NzM1NywidXNlck5hbWUiOiJ4aWFvZmVuZ2Nhbnl1ZSIsInBhc3N3b3JkIjoiMTIzNDU2In0.9ifnIgR-JiDECx0-XXYvL_QJafKaPhG9F5_CKZd1kGo";
Claims body = Jwts.parser().setSigningKey(signKey).parseClaimsJws(jwt).getBody();
System.out.println(body.get("userName"));
System.out.println(body.get("password"));
System.out.println(body.values());
}
}
运行结果
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