创建成员

        https://work.weixin.qq.com/api/doc#90000/90135/90195

def create(self, user_id, name, department=None, position=None,
               mobile=None, gender=0, tel=None, email=None,
               weixin_id=None, extattr=None):
        """
        创建成员

        https://work.weixin.qq.com/api/doc#90000/90135/90195
        """
        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
        )