axios拦截器

import axios from ‘axios‘
axios.defaults.timeout = 10000 // 超时时间
let VueCookie = require(‘vue-cookie‘)
let cookieVue = VueCookie.get(‘x_auth_token‘) // 获取cookie
axios.interceptors.request.use(
  config => {
    config.headers[‘X-Auth-Token‘] = cookieVue //cookie设置在头部信息里面
    config.headers[‘Content-Type‘] = ‘application/json‘ 
    return config
  },
  error => {
    alert(‘请求超时，请稍后重试！‘)
    return Promise.reject(error)
  }
)
// http响应拦截器
axios.interceptors.response.use(res => {
  if (res.data.bodyObj && res.data.bodyObj.code) {
    let code = res.data.bodyObj.code
    // 10101是未登录状态码
    if (code === 10101) { // 如果是未登录直接踢出去
      location.href = ‘/login.html‘
    }
  }
  return res
},
error => {
  alert(‘请求失败，请稍后重试！‘)
  return Promise.reject(error)
}
)

export default axios

// util.js
import axios from ‘axios‘
import cookies from ‘vue-cookies‘
import router from ‘vue-router‘
export const $axios = axios.create({ // 这里是配置项
  timeout: 7000,
})

// 拦截请求
$axios.interceptors.request.use(
  config => {
    console.log(config);
    let t = cookies.get(‘t‘)
    if (t) {
      config.headers.t = t
    } else {
      router.replace({path: ‘/login‘})
    }
    return config
  },
  err => {
    return Promise.reject(err)
  }
)

// 拦截响应
$axios.interceptors.response.use(
  response => {
    console.log(response)
    return response
  },
  err => {
    console.log(err);
    if (err.response) {
      switch (err.response.status) {
        case 401:
          // 这里写清除token的代码
          router.replace({
            path: ‘login‘,
            query: {redirect: router.currentRoute.fullPath} // 登录成功后跳入浏览的当前页面
          })
      }
    }
    return Promise.reject(err)
  }
)
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原文链接：https://blog.csdn.net/qq_39081974/article/details/81940300