JWT的Maven配置文件

   <!--java-jwt坐标-->
    <dependency>
      <groupId>com.auth0</groupId>
      <artifactId>java-jwt</artifactId>
      <version>4.4.0</version>
    </dependency>

package com.itheima.utils;
 
import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
 
import java.util.Date;
import java.util.Map;
 
public class JwtUtil {
 
    private static final String KEY = "itheima";
  
  //接收业务数据,生成token并返回
    public static String genToken(Map<String, Object> claims) {
        return JWT.create()
                .withClaim("claims", claims)
                .withExpiresAt(new Date(System.currentTimeMillis() + 1000 * 60 * 60 ))
                .sign(Algorithm.HMAC256(KEY));
    }
 
  //接收token,验证token,并返回业务数据
    public static Map<String, Object> parseToken(String token) {
        return JWT.require(Algorithm.HMAC256(KEY))
                .build()
                .verify(token)
                .getClaim("claims")
                .asMap();
    }
 
}