`class HTTP` ~~~ import axios from "axios" axios.defaults.baseURL = 'https://www.easy-mock.com/mock/5bf3c7b551173f3d71de3a58/vue'; class HTTP{ request({url,method="GET",data={},params={}}){ return axios({ method, url, data, params }); } } export {HTTP} ~~~ ~~~ import {HTTP} from "./HTTP"; class HomeModel extends HTTP{ getHomeData(){ return this.request({ url:"/index" }) } } export {HomeModel}; ~~~ 在组件的mounted()中使用