基于JWT实现Token的加密和解密

public class test {
static String TTP_SECRET = "bfb82ec324d34a9d";

public static String getToken(String uuid,String time){
JSONObject userinfo = new JSONObject();
userinfo.put("useruuid",uuid);
userinfo.put("time",time);

Payload payload = new Payload(userinfo);

JWSHeader header = new JWSHeader(JWSAlgorithm.HS256);
header.setContentType("jwt");

//创建 JWSObject 对象
JWSObject jwsObject = new JWSObject(header, payload);

// 签名（秘钥）
JWSSigner signer = new MACSigner(TTP_SECRET.getBytes());

try {

jwsObject.sign(signer);

} catch (JOSEException e) {
System.err.println("Couldn't sign JWS object: " + e.getMessage());
return "error";
}

String token = jwsObject.serialize();
System.out.println("Token:"+token);
return  token;
}

public static String  parseToken(String token){
try {
JWT jwt = JWTParser.parse(token);
ReadOnlyJWTClaimsSet cs = jwt.getJWTClaimsSet();
Map<String,Object> map = cs.getAllClaims();

String useruuid = (String) map.get("useruuid");
String time = (String) map.get("time");

System.out.println(useruuid);
System.out.println(time);
return useruuid;
} catch (ParseException e) {
e.printStackTrace();
return null;
}
}

public static void main(String[] args) {
String token=getToken("myuuid","mytime");
String useruuid = parseToken(token);

}
}