axios 全局拦截_全局axios拦截

import axios from 'axios'
import { getToken }  from './auth'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // 接口域名地址
  timeout: 5000 						// 请求超时时间
})
//请求拦截器（interceptors.requst）是指可以拦截每次或指定HTTP请求，并可修改配置项
service.interceptors.request.use(
  config => {
    if (getToken()) {
      config.headers['X-Token'] = getToken()// 'token'  token是在登录成功的时候才会给你 有的话加到请求头上
    }  
    return config
  },
  error => {
    console.log(error) // for debug
    return Promise.reject(error)
  }
)
//响应拦截器（interceptors.response）可以在每次HTTP请求后拦截住每次或指定HTTP请求，并可修改返回结果项
service.interceptors.response.use(
  response => {
    const res = response.data
    if (res.code !== 20000) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        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 => {
    console.log('err' + error) 
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
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