axios.defaults.timeout = 6000;

// Add a request interceptor
axios.interceptors.request.use(function (config) {
 // Do something before request is sent
 return config;
 }, function (error) {
 // Do something with request error
 return Promise.reject(error);
});
// Add a response interceptor
axios.interceptors.response.use(function (response) {
 // Do something with response data
 return response;
 }, function (error) {
 // Do something with response error
 return Promise.reject(error);
});

this.$axios.get(url, {params:{load:'noload'}}).then(function (response) {
	//dosomething();
}).catch(error => {
	//超時之后在這里捕抓錯誤信息.
	if (error.response) {
		console.log('error.response')
		console.log(error.response);
	} else if (error.request) {
		console.log(error.request)
		console.log('error.request')
		if(error.request.readyState == 4 && error.request.status == 0){
			//我在這里重新請求
		}
	} else {
		console.log('Error', error.message);
	}
	console.log(error.config);
});

// Handle timeout
 request.ontimeout = function handleTimeout() {
  reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED',
  request));
  // Clean up request
  request = null;
 };

axios.interceptors.response.use(function(response){
....
}, function(error){
	var originalRequest = error.config;
	if(error.code == 'ECONNABORTED' && error.message.indexOf('timeout')!=-1 && !originalRequest._retry){
			originalRequest._retry = true
			return axios.request(originalRequest);
	}
});

//在main.js設置全局的請求次數(shù)，請求的間隙
axios.defaults.retry = 4;
axios.defaults.retryDelay = 1000;
axios.interceptors.response.use(undefined, function axiosRetryInterceptor(err) {
 var config = err.config;
 // If config does not exist or the retry option is not set, reject
 if(!config || !config.retry) return Promise.reject(err);
 // Set the variable for keeping track of the retry count
 config.__retryCount = config.__retryCount || 0;
 // Check if we've maxed out the total number of retries
 if(config.__retryCount >= config.retry) {
  // Reject with the error
  return Promise.reject(err);
 }
 // Increase the retry count
 config.__retryCount += 1;
 // Create new promise to handle exponential backoff
 var backoff = new Promise(function(resolve) {
  setTimeout(function() {
   resolve();
  }, config.retryDelay || 1);
 });
 // Return the promise in which recalls axios to retry the request
 return backoff.then(function() {
  return axios(config);
 });
});

import axios from 'axios';
//安裝方法
npm install axios
//或
bower install axios