request.js

import axios from 'axios'
import storage from 'store'
// import router from '@/router'
import notification from 'ant-design-vue/es/notification'
import qs from 'qs'
import { ACCESS_TOKEN } from '@/store/mutation-types'
// 创建 axios 实例
const request = axios.create({
  // API 请求的默认前缀
  baseURL: process.env.VUE_APP_PREVIEW === 'true' ? '/api' : process.env.VUE_APP_API_BASE_URL,
  timeout: 30000 // 请求超时时间
})

// request interceptor
request.interceptors.request.use(config => {
  const token = storage.get(ACCESS_TOKEN)
  // 如果 token 存在
  // 让每个请求携带自定义 token 请根据实际情况自行修改
  if (token) {
    config.headers['Authorization'] = token
  }
  return config
},
error => {
  // do something with request error
  console.log(error) // for debug
  return Promise.reject(error)
})

// response interceptor
request.interceptors.response.use(
  response => {
    // return response.data
    const res = response.data || {}

    if (!res.success) {
      // 401: Unauthorized
      if (res.code === 401 || res.code === 501 || res.code === 402) {
        notification.error({
          key: 'Unauthorized',
          message: '错误',
          description: '身份验证失败，请重新登陆'
        })
        // 从 localstorage 获取 token
        this.$store.commit('SET_TOKEN', '')
        storage.remove(ACCESS_TOKEN)
      //   const token = storage.get(ACCESS_TOKEN)
      //   if (token) {
      //     store.dispatch('Logout').then(() => {
      //       window.location.reload()
      //     })
      //   }
      }

      return Promise.reject(response)
    } else {
      return res
    }
  },
  error => {
    return Promise.reject(error)
  }
)

export default {
  /**
   *
   * @param {String} url
   * @param {Object} data
   * @param {String} isForm
   * @param {Object} config
   *
   * 这里是通用请求
   * 如果需要特殊的配置在config中配置
   *
   */
  post (url, data, isForm, config = {}) {
    if (isForm === 'FORM') {
      const formHeaders = {
        // 'X-Requested-With': 'XMLHttpRequest',
        'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8'
      }
      const transformRequest = data =>
        qs.stringify(data, {
          encode: false,
          allowDots: true,
          arrayFormat: 'indices'
        })
      config.transformRequest = config.transformRequest ? [transformRequest, ...config.transformRequest] : [transformRequest]

      config = { headers: formHeaders, ...config }
    }
    // 文件上传
    if (isForm === 'FILE') {
      const formHeaders = {
        'Content-Type': 'multipart/form-data'
      }
      config = { headers: formHeaders, ...config }
      const forms = new FormData()
      forms.append('file', data)
      data = forms
    }
    return request.post(url, data, config)
  },
  /**
   *
   * @param {String} url
   * @param {Object} params
   */
  get (url, params, config) {
    return request.get(url, { params: params }, config)
  },
  put (url, data, isForm, config = {}) {
    if (isForm === 'FORM') {
      const formHeaders = {
        // 'X-Requested-With': 'XMLHttpRequest',
        'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8'
      }
      const transformRequest = data =>
        qs.stringify(data, {
          encode: false,
          allowDots: true,
          arrayFormat: 'indices'
        })
      config.transformRequest = config.transformRequest ? [transformRequest, ...config.transformRequest] : [transformRequest]

      config = { headers: formHeaders, ...config }
    }
    return request.put(url, data, config)
  }
}