系统是java开发的，单点登录到python的系统,就需要使用python 解析 java jwt生产的token

之所以能在各个语言互通加密解密，就是因为 JSON Web Tokens (JWT)是开发的一个行业标准。所以通用

1.java生成jwt

pom

<dependency>
				<groupId>com.auth0</groupId>
				<artifactId>java-jwt</artifactId>
				<version>3.2.0</version>
			</dependency>

生产token

public static String create(Long userNo, Long date) {
		try {
			return JWT.create().withIssuer(ISSUER).withClaim(USERNO, userNo.toString()).withExpiresAt(new Date(System.currentTimeMillis() + date)).sign(Algorithm.HMAC256(TOKEN_SECRET));
		} catch (IllegalArgumentException | JWTCreationException | UnsupportedEncodingException e) {
			logger.error("JWT生成失败", e);
			return "";
		}
	}

输出

eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyTm8iOiIyMDE4MTEyMjA5NTMxODAzIiwiaXNzIjoiUk9OQ09PIiwiZXhwIjoxNjM0MTgzOTM3fQ.Uv9ScXxCjU0rtbY........

2.python解析token

pip install pyjwt

token = handler.get_cookie('template_token')
user = jwt.decode(token,'JIUzI1NiJ9',algorithms = ['HS256'])
print(user)

输出

{'userid': '2021', 'iss': 'is', 'exp': 1634183937}