会话跟踪方案
JWT令牌
JWT依赖
<!-jwt依赖-->
<dependency>
<groupId>com.auth0</groupId>
<artifactId>java-jwt</artifactId>
<version>3.19.2</version>
</dependency>
JWT工具类
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)//设置我们给定的数据
.withExpiresAt(new Date(System.currentTimeMillis() + 1000 * 60 * 60 * 12))//令牌的有效期