生成token和解析token

package com.zhanchuan.util;

import com.auth0.jwt.JWTSigner;
import com.auth0.jwt.JWTVerifier;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.zhanchuan.logon.entity.TSmsCode;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class JwtUtils {


    /**
     * 密钥
     */
    private static  final String SECRET="XX#$%()(#*!()!KL<>?N<:{LWPW";
    /**
     * 默认字段key:exp
     */
    private static final String EXP="exp";
    /**
     * 默认字段key:payload
     */
    private static final String PAYLOAD="payload";

    /**
     * 加密
     * @param object 加密数据
     * @param maxTime 有效期（毫秒数）
     * @param 
     * @return
     */
    public static  String encode(T object,long maxTime){
        try{
            final JWTSigner signer=new JWTSigner(SECRET);
            final Map data=new HashMap(10);
            ObjectMapper objectMapper=new ObjectMapper();
            String jsonString=objectMapper.writeValueAsString(object);
            data.put(PAYLOAD,jsonString);
            data.put(EXP,System.currentTimeMillis()+maxTime);
            return signer.sign(data);
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 数据解密
     * @param jwt 解密数据
     * @param classT 解密类型
     * @param 
     * @return
     * @throws Exception
     */
    public static T unsign(String jwt, Class classT) {
        final JWTVerifier verifier = new JWTVerifier(SECRET);
        try {
            final Map claims= verifier.verify(jwt);
            if (claims.containsKey(EXP) && claims.containsKey(PAYLOAD)) {
                long exp = (Long)claims.get(EXP);
                long currentTimeMillis = System.currentTimeMillis();
                if (exp > currentTimeMillis) {
                    String json = (String)claims.get(PAYLOAD);
                    ObjectMapper objectMapper = new ObjectMapper();
                    return objectMapper.readValue(json, classT);
                }
            }
            return null;
        } catch (Exception e) {
            return null;
        }
    }

    public static void main(String[] args) {
        TSmsCode tSmsCode = new TSmsCode();
       /* tSmsCode.setPhone("15865732513");
        String s = encode(tSmsCode,1);
        System.out.println(s);*/
        TSmsCode s1 =unsign("eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE1NjI4MDk2NzI3MDAsInBheWxvYWQiOiJ7XCJpZFwiOjAsXCJwaG9uZVwiOlwiMTU4NjU3MzI1MTNcIixcInN0YXR1c1wiOjAsXCJjcmVhdGVUaW1lXCI6bnVsbCxcImV4cGlyYXRpb25UaW1lXCI6bnVsbCxcImNoZWNrQ29kZVwiOm51bGx9In0.j2L2EDCjZivJAoJ5agfgjtQyXPJM9OX0T5HB8Tt0JzY",TSmsCode.class);
        if (null == s1){
            System.out.println("身份认证过期");
        }
        //System.out.println(s1.getPhone());
    }
}

需要导入的pom包 
 
      io.jsonwebtoken
      jjwt
      0.7.0
    

    
      com.auth0
      java-jwt
      2.2.0