token的创建及解析

<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt</artifactId>
    <version>0.9.0</version>
</dependency>

/**
 * 通过jwt创建token
 * @param args
 */
public static void main(String[] args) {
    //获取token构造器JwtBuilder
                    //id           //项目信息              //token创建时间
    JwtBuilder jwtBuilder = Jwts.builder().setId("2019").setSubject("yn_parent").setIssuedAt(new Date()).
                    //设置签名
                    signWith(SignatureAlgorithm.HS256, "ynhrm");
    //生成token加密字符串
    String token = jwtBuilder.compact();
    System.out.println(token );
}

/**
 * 解析token字符串
 * @param args
 */
public static void main(String[] args) {
    String token="eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiIyMDE5Iiwic3ViIjoieW5fcGFyZW50IiwiaWF0IjoxNTc0MjY4NzYzfQ.HFU96vjoKz7HFHmedwXmhVPayGLCaxQNzbSYHa2ql9E";
    Claims claims = Jwts.parser().setSigningKey("ynhrm").parseClaimsJws(token).getBody();
    //私有数据存放在claims中
    System.out.println(claims.getId());
    System.out.println(claims.getSubject());
    System.out.println(claims.getIssuedAt());
}