一站式网上办事大厅

import jwt

from datetime import datetime, timedelta

def generate_token(user_id):

payload = {

'user_id': user_id,

'exp': datetime.utcnow() + timedelta(hours=1)

}

token = jwt.encode(payload, 'secret_key', algorithm='HS256')

return token

def verify_token(token):

try:

payload = jwt.decode(token, 'secret_key', algorithms=['HS256'])

return payload['user_id']

except jwt.ExpiredSignatureError:

return None

except jwt.InvalidTokenError:

return None