REST_FRAMEWORK = {
  'DEFAULT_AUTHENTICATION_CLASSES': (
    'rest_framework_jwt.authentication.JSONWebTokenAuthentication',
    'rest_framework.authentication.SessionAuthentication',
    'rest_framework.authentication.BasicAuthentication',
  ),
}
import datetime
JWT_AUTH = {
  'JWT_EXPIRATION_DELTA': datetime.timedelta(days=1), ##设置token的有效值
}

from rest_framework_jwt.settings import api_settings
jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER
jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER

payload = jwt_payload_handler(user)
token = jwt_encode_handler(payload)

from rest_framework_jwt.views import obtain_jwt_token
urlpatterns = [
  path(r'login/', obtain_jwt_token),   ##提供接口
]

def jwt_response_payload_handler(token, user=None, request=None):
  """
  自定义jwt认证成功返回数据
  """
  return {
    'token': token,
    'id': user.id,
    'username': user.username
  }#这个是自定义jwt认证成功返回数据，一般会放在子应用下utils文件中，然后在settings中配置，将路径告诉django

# JWT
JWT_AUTH = {
  'JWT_EXPIRATION_DELTA': datetime.timedelta(days=1),
  'JWT_RESPONSE_PAYLOAD_HANDLER': 'user.utils.jwt_response_payload_handler',
}