public class JwtUtils {// TOKEN的有效期1小时（S）private static final int TOKEN_TIME_OUT = 1 * 3600;// 加密KEYprivate static final String TOKEN_SECRET = "itcast";// 生成Tokenpublic static String getToken(Map params){long currentTime = System.currentTimeMillis();return Jwts.builder().signWith(SignatureAlgorithm.HS512, TOKEN_SECRET) //加密方式.setExpiration(new Date(currentTime + TOKEN_TIME_OUT * 1000)) //过期时间戳.addClaims(params).compact();}/*** 获取Token中的claims信息*/public static Claims getClaims(String token) {return Jwts.parser().setSigningKey(TOKEN_SECRET).parseClaimsJws(token).getBody();}/*** 是否有效 true-有效，false-失效*/public static boolean verifyToken(String token) {if(StringUtils.isEmpty(token)) {return false;}try {Claims claims = Jwts.parser().setSigningKey("itcast").parseClaimsJws(token).getBody();}catch (Exception e) {return false;}return true;}
}