ssi/ui/src/utils/request.js

import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, removeToken } from '@/utils/auth'
import router, { resetRouter } from '@/router'

// 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: 1000 * 60 * 10 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    alert(1)
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['Authorization'] = getToken()
    }
    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
    alert('request.js')
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 0) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
          confirmButtonText: 'Re-Login',
          cancelButtonText: 'Cancel',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    if (error.response) {
      switch (error.response.status) {
        case 401:
          console.log(error)
          console.log(1111)
          console.log('用户验证失败！')
          // 返回 401 清除token信息并跳转到登录页面
          removeToken()
          resetRouter()
          router.push('/login')
          Message({
            message: error.response.data.data,
            type: 'error',
            duration: 5 * 1000
          })
          break
        case 403:
          console.log('登录超时！')
          // 返回 401 清除token信息并跳转到登录页面
          removeToken()
          resetRouter()
          router.push('/login')
          Message({
            message: '登录超时',
            type: 'error',
            duration: 5 * 1000
          })
          break
        case 500:
          Message({
            message: '服务器关闭了！请联系相关工作人员',
            type: 'error',
            duration: 5 * 1000
          })
          removeToken()
          resetRouter()
          router.push('/login')
          break
        case 504:
          console.log('服务器关闭了！')
          resetRouter()
          break
      }
    }
    /*    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })*/
    return Promise.reject(error)
  }
)

export default service