code: def create(self, user_id, name, department=None, position=None,
                 mobile=None, gender=0, tel=None, email=None,
                 weixin_id=None, extattr=None):
          
          user_data = optionaldict()
          user_data['userid'] = user_id
          user_data['name'] = name
          user_data['gender'] = gender
          user_data['department'] = department
          user_data['position'] = position
          user_data['mobile'] = mobile
          user_data['tel'] = tel
          user_data['email'] = email
          user_data['weixinid'] = weixin_id
          user_data['extattr'] = extattr
  
          return self._post(
              'user/create',
              data=user_data
          )
docs: 创建成员
  
          https://work.weixin.qq.com/api/doc#90000/90135/90195