HM21St_Page_Manager/src/utils/request.js

import axios from 'axios'
import router from '../router'
import store from '../store'
import Cookies from 'js-cookie'
import { Message } from 'element-ui'
import { removeToken } from './auth';

axios.defaults.withCredentials = true
axios.defaults.dataType = 'json'
axios.defaults.headers['cache-control'] = 'no-cache'
axios.defaults.headers['Content-Type'] = 'application/json'
axios.defaults.headers['X-Requested-With'] = 'XMLHttpRequest'
    // create an axios instance
const service = axios.create({
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    // withCredentials: true, // send cookies when cross-domain requests
    // timeout: 60000 // request timeout
})

// request interceptor
service.interceptors.request.use(
    config => {
        // do something before request is sent
        // let each request carry token
        // ['X-Token'] is a custom headers key
        // please modify it according to the actual situation
        config.headers['Content-Type'] = 'application/json'
        return config
    },
    error => {
        // do something with request error
        console.log(error) // for debug
        return Promise.reject(error)
    }
)

// response interceptor
service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
        const res = response.data
        let msg = null
            // if the custom code is not 20000, it is judged as an error.
        if (res.status == 0 || res.status == -2) {
            // 执行错误  JSON 数据格式错误
            msg = Message({
                message: res.msg || res.error || 'Error',
                type: 'error',
                showClose: true,
                duration: 3000
            })
            return Promise.reject(new Error(res.message || res.error || 'Error'))
        } else if (res.status === -1) {
            // 登录失效
            Cookies.remove('session_id')
            Cookies.remove('user_code')
            Cookies.remove('user_real_name')
            Cookies.remove('user_type')
            removeToken();
            msg = Message({
                message: '登录会话失效，请重新登录',
                type: 'error',
                showClose: true,
                duration: 3000
            })
            if (process.env.NODE_ENV === 'development') {
                router.push(`/login`)
            } else {
                window.location.href = window.location.href.substring(0, window.location.href.indexOf('/#/')) + "/#/login";
            }
            return false
        } else {
            // Message.closeAll()
            return res
        }
    },
    error => {
        // || (error+1).indexOf('500') > -1
        if ((error + 1).indexOf('401') > -1) {
            // console.log(router)
            // store.dispatch('user/postError')
            // router.push(`/login`)
        }
        Message({
            message: '网络错误，请稍后重试',
            type: 'error',
            duration: 2 * 1000
        })
        return Promise.reject(error)
    }
)

export default service