egg-axios-plus/lib/axios_loader.js

适用于egg框架完成基本的http请求，支持async/await操作,实现egg框架下agent/app挂载,支持后端请求

'use strict';

const Axios = require('./axios_request.js');
const axiosInstance = Symbol('egg#egg-axios-plus');
module.exports = app => {
  // config axios object to new
  if (!this[axiosInstance]) {
    this[axiosInstance] = new Axios(app);
  }
  app.axios = this[axiosInstance];
};