axios封装

import axios from 'axios'
import qs from 'qs'
import {Message} from 'element-ui'
let Promise = require('promise')
// 请求成功，返回的状态码不是200时调用
const statusError = (err) => {
  Message({
    showClose: true,
    message: '错误：' + err.msg,
    type: 'error'
  })
}

// 网络出错时调用
const requestError = (err) => {
  let errorText = ''
  if (err.response && err.response.status) {
    errorText = '请求错误：' + err.response.status + ',' + err.response.statusText
  }
  if (/Error/.test(err)) {
    console.log(21, err)
    errorText = '请求超时'
  }
  Message({
    showClose: true,
    message: errorText,
    type: 'error'
  })
}

axios.defaults.timeout = 30 * 1000
axios.defaults.withCredentials = true
axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=UTF-8'
axios.defaults.baseURL = process.env.NODE_ENV !== 'production' ? 'http://bestsign.test.com' : `${window.location.protocol}//${window.location.host}`

axios.interceptors.request.use((config) => {
  if (config.data && config.data.isValidateRequest) {
    axios.isValidateRequest = config.data.isValidateRequest
  } else {
    axios.isValidateRequest = null
  }

  if (config.method === 'post') {
    config.data = qs.stringify(config.data)
  }
  return config
}, (err) => {
  return Promise.reject(err)
})

axios.interceptors.response.use((rs) => {
  if (rs.data.code !== 200 && rs.data.code !== '200') {
    if (axios.isValidateRequest !== true && rs.data.code !== '401') {
      statusError(rs.data)
    }
    return Promise.reject(rs)
  }
  return rs
}, (err) => {
  requestError(err)
  // return Promise.reject(err)
})

export default function (options) {
  if (!options) {
    return
  }

  let config = {
    url: options.url,
    method: options.method
  }
  if (options.method === 'get') {
    config.params = options.data
  }
  if (options.method === 'post') {
    config.data = options.data
  }

  return new Promise((resolve, reject) => {
    axios(config).then((rs) => {
      resolve(rs.data)
    }, (err) => {
      reject(err)
    }).catch((err) => {
      reject(err)
    })
  })
}