ExpiredSignatureError 的作用

ExpiredSignatureError 专门用来捕获我们的token是否过期的异常信息



from jwt import ExpiredSignatureError

try:
    payload = jwt.decode(token,key,algorithms="HS256")
except ExpiredSignatureError as e:
    return jsonify({
        'code':406,
        'msg':"Token过期"
    })