vue拦截器

http.js

import axios from 'axios'
 import store from './store/store'
 import * as types from './store/mutation_type'
 import router from './router/index'

 axios.defaults.timeout = 5000; // 超时时间
 //axios.defaults.baseURL = '';

 // http request 拦截器
 axios.interceptors.request.use(
    config => {
        if (store.state.token) {  // 判断是否存在token，如果存在的话，则每个http header都加上token
            config.headers.Authorization = `token ${store.state.loginModule.token}`;
        }
        return config;
    },
    err => {
        return Promise.reject(err);
    });

 // http response 拦截器
 axios.interceptors.response.use(
    response => {
        return response;
    },
    error => {
        if (error.response) {
            switch (error.response.status) {
                case 401:
                    // 401 清除token信息并跳转到登录页面
                    store.commit('loginOut');
                    router.replace({
                        path: 'login',
                        query: {redirect: router.currentRoute.fullPath}
                    })
            }
        }
        // console.log(JSON.stringify(error));//console : Error: Request failed with status code 402
        return Promise.reject(error.response.data)  // 返回接口返回的错误信息
    });

 export default axios;

https://blog.csdn.net/qq_39759115/article/details/77185101