axios的基本使用
// get 请求axios.get(\'api/index.json\',{params: {}}).then(res => {}).catch(err => {})// post 请求axios.post(\'/api/getUserInfo\', {data: {}}).then(res => {}).catch(err => {})// 并发请求axios.all([axios.get(\'/api/index.json\'),axios.get(\'/api/getUser.json\')]).then(axios.spread((indexJson, userJson) => {// indexJson 第一个接口返回的数据// userJson 第二个接口返回的数据}))
axios的全局配置
axios.defaults.timeout = 1000
axios 实例配置
let instance = axios.creat({timeout: 1000, // 请求的超时时长baseURL: \'http://localhost:8080\', // 请求的基本域名地址url: \'/api/getUser\', // 请求地址data: {}, // post请求入参params: {}, //get 请求入参headers: {} // 设置请求头})
axios 拦截器
// 请求拦截器let instance = axios.interceptors.request.use(config => {// 请求前做些什么return config}, err => {return Promise.reject(err)})// 响应拦截器let instance = axios.interceptors.response.use(res => {// 响应成功对数据做些什么return res}, err => {return Promise.reject(err)})// 取消拦截器 (一般不用)axios.interceptors.request.eject(instance)
取消请求
let source = axios.CancelToken.source()axios.get(\'/index.json\', {cancelToken: source.token}).then(res => {console.log(res)}).catch(err => {console.log(err)})// source.cancel(message) 参数message 可选填source.cancel(\'http get cancel\')
axios 的封装
import axios from \'axios\'import { baseURL } from \'@/config/index.js\'class HttpRequest {constructor (baseUrl = baseURL) {this.baseUrl = baseUrl// 队列this.query = {}}// 全局参数getinSidConfig () {const config = {baseUrl: this.baseUrl,headers: {}}return config}// 请求方法request (options) {const instance = axios.create()options = Object.assign(this.getinSidConfig(), options)this.interceptors(instance, options.url)return instance(options)}// 拦截器interceptors (instance, url) {instance.interceptors.request.use(config => {// 使用队列的方式处理如果是第一个到最后一个请求了则增加loding// 以防出现多个loding层样式错误if (!Object.keys(this.query).length) {// Spin.show()}this.query = truereturn config}, err => {return Promise.reject(err)})instance.interceptors.response.use(res => {delete this.query[url]const {data, status} = resreturn {data, status}}, err => {return Promise.reject(err)})}}export default HttpRequest// 用法import axios from \'./index\'export const getUserInfo = () => {return axios.request({url: \'/getUserInfo\',methods: \'get\'})}// home.vuecreated () {getUserInfo().then(res => {console.log(res)})}[/code]
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