``` import axios from 'axios' axios.defaults.baseURL=' https://www.easy-mock.com/mock/5c2dbb7932924755e4c0dc10/' class HTTP { request({url,data={},method="get",params={}}){ return axios({ url, method, data, params }) } } export {HTTP} ``` ``` import {HTTP} from "./HTTP"; class HomeModel extends HTTP{ getHomeData(){ return this.request({ url:"home", }) } } export {HomeModel}; ```