import Vue from 'vue'
import Router from 'vue-router'
Vue.use(Router)

const router = new Router({...})

router.beforeEach((to, from, next) => {
 if(/^\/[S|B|V]/.test(to.path)){
  if (isLogin()) {//判断token信息的自写方法
   next();
  }
  else {
   next({ name: 'login' })//跳转到登录页
  }
 }
 else {
  next();
 }
})

import axios from 'axios'
// http request 拦截器
axios.interceptors.request.use(function (config) {
  config.headers.token = sessionStorage.getItem("user_token")//将接口返回的token信息配置到接口请求中
  return config;
}, function (error) {
  return Promise.reject(error);
});
// http response 拦截器
axios.interceptors.response.use(function(response){
  if(response.data.code=='1001'||response.data.code=='1002'){//具体的判断token失效的参数
    sessionStorage.setItem("user_token",'')
    sessionStorage.setItem("LoginUser",'{}')
    alert(response.data.msg);
    window.location.href='/#/login'//需求方要求一旦出错立即跳转登录，所以采取这种侵入式的手段。
  }else{
    return response
  }
}, function (error) {
  return Promise.reject(error);
});