Java使用Jwt令牌技术

<!--JWT依赖-->
<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt</artifactId>
    <version>0.9.1</version>
</dependency>

package com.luoluo.utiles;

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;

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

/**
 * @BelongsProject: spring-demo01
 * @BelongsPackage: com.luoluo.utiles
 * @Author: lijialuo
 * @CreateTime: 2023-11-18  00:26
 * @Description: TODO
 * @Version: 1.0
 */
public class JwtUtils {

    private static String signKey = "LiJiaLuo";
    private static Long expire = 43200000L; //过期时间

    /**
     * @description: 生成jwt令牌
     * @author: lijialuo
     * @date: 2023/11/18 0:28
     * @param: [claims] Jwt第二部分负载payload中存储的内容
     * @return: java.lang.String
     **/
    public static String generateJwt(Map<String, Object> claims) {
        String jwt = Jwts.builder().signWith(SignatureAlgorithm.HS256, signKey)//设置签名算法
                .setClaims(claims)//自定义内容
                .setExpiration(new Date(System.currentTimeMillis() + expire)) //设置有效期为1h
                .compact();
        return jwt;
    }
    /**
     * @description:解析Jwt令牌
     * @author: lijialuo
     * @date: 2023/11/18 0:33
     * @param: [jwt]
     * @return: Jwt第二部分负载payload中存储的内容
     **/
    public static Claims parseJWT(String jwt) {
        Claims claims = (Claims) Jwts.parser()
                .setSigningKey(signKey)
                .parse(jwt)
                .getBody();
        return claims;
    }

}