我已经用以下代码使其工作:
import axios from 'axios';
import config from '../../configuration.json';
import qs from 'qs';
const baseURL = config['baseUrl_local'];
let authTokenRequest;
var client = axios.create({
baseURL: baseURL,
headers: {
appID: 8,
version: "1.1.0",
empID: localStorage.getItem('empID'),
token: localStorage.getItem('accessToken')
}
});
function getAuthToken() {
if (!authTokenRequest) {
authTokenRequest = requestNewToken();
authTokenRequest.then(resetAuthTokenRequest, resetAuthTokenRequest);
}
return authTokenRequest;
}
function requestNewToken() {
var newToken = request({
method: "post",
url: '/sign-in',
data: qs.stringify({
"userName":localStorage.getItem('userName'),
"password":localStorage.getItem('password')
})
}).then((res)=>{
if(res.status == "success"){
localStorage.setItem('accessToken',res.data.accessToken);
featureArray in local storage
if(res.data.features){
localStorage.setItem(
'featureArray',
JSON.stringify(res.data.features));
}
client = axios.create({
baseURL: baseURL,
headers: {
appID: 8,
version: "1.1.0",
empID: localStorage.getItem('empID'),
token: localStorage.getItem('accessToken')
}
});
} else {
window.location = "/logout";
}
});
return newToken;
}
function resetAuthTokenRequest() {
authTokenRequest = null;
}
client.interceptors.response.use(undefined, err => {
const error = err.response;
if (error.status===401 && error.config &&
!error.config.__isRetryRequest) {
return getAuthToken().then(response => {
error.config.__isRetryRequest = true;
error.config.headers.token= localStorage.getItem("accessToken");
return client(error.config);
});
}
});
const request = function(options) {
const onSuccess = function(response) {
return response.data;
}
const onError = function(error) {
if (error.response) {
} else {
console.error('Error Message:', error.message);
}
return Promise.reject(error.response || error.message);
}
return client(options)
.then(onSuccess)
.catch(onError);
options
}
export default request;
【编辑】现在是2019年,这里是另一种对于同样问题的实现。上述解决方案很好,但对于多次失败的请求效果不佳,反而会使用更新后的令牌调用getToken。
import axios from "axios";
import config from "../config";
import TokenService from "./token_service";
class Request {
constructor() {
this.baseURL = config.baseUrl;
this.isRefreshing = false;
this.failedRequests = [];
this.tokenService = new TokenService();
this.client = axios.create({
baseURL: config.apiServerBaseUrl,
headers: {
clientSecret: this.clientSecret,
},
});
this.beforeRequest = this.beforeRequest.bind(this);
this.onRequestFailure = this.onRequestFailure.bind(this);
this.processQueue = this.processQueue.bind(this);
this.client.interceptors.request.use(this.beforeRequest);
this.client.interceptors.response.use(this.onRequestSuccess,
this.onRequestFailure);
}
beforeRequest(request) {
const token = TokenService.getAccessToken();
request.headers.Authorization = `Token ${token}`;
return request;
}
static onRequestSuccess(response) {
return response.data;
}
async onRequestFailure(err) {
const { response } = err;
if (response.status === 401 && err && err.config && !err.config.__isRetryRequest) {
if (this.isRefreshing) {
try {
const token = await new Promise((resolve, reject) => {
this.failedRequests.push({ resolve, reject });
});
err.config.headers.Authorization = `Bearer ${token}`;
return this.client(err.config);
}
catch (e) {
return e;
}
}
this.isRefreshing = true;
err.config.__isRetryRequest = true;
return new Promise((resolve, reject) => {
this.tokenService.refreshAccessToken().then((token) => {
this.tokenService.setAccessToken(token);
err.config.headers.Authorization = `Bearer ${token}`;
this.isRefreshing = false;
this.processQueue(null, token);
resolve(this.client(err.config));
}).catch((e) => {
this.processQueue(e, null);
reject(err.response);
});
});
}
throw response;
}
processQueue(error, token = null) {
this.failedRequests.forEach((prom) => {
if (error) {
prom.reject(error);
} else {
prom.resolve(token);
}
});
this.failedRequests = [];
}
}
const request = new Request();
export default request.client;
axios.post('/endpoint').then(...).catch(function (error) { console.log(error.response.status) //401 console.log(error.response.data.error) // Please Authenticate })
- Muhammad Shahzad