const routes = [
  {
    path: '/',
    name: '/',
    component: Index
  },
  {
    path: '/repository',
    name: 'repository',
    meta: {
      requireAuth: true, // 添加該字段，表示進(jìn)入這個(gè)路由是需要登錄的
    },
    component: Repository
  },
  {
    path: '/login',
    name: 'login',
    component: Login
  }
]; 

router.beforeEach((to, from, next) => {
  if (to.meta.requireAuth) { // 判斷該路由是否需要登錄權(quán)限
    if (store.state.token) { // 通過vuex state獲取當(dāng)前的token是否存在
      next();
    }
    else {
      next({
        path: '/login',
        query: {redirect: to.fullPath} // 將跳轉(zhuǎn)的路由path作為參數(shù)，登錄成功后跳轉(zhuǎn)到該路由
      })
    }
  }
  else {
    next();
  }
}) 

// http request 攔截器
axios.interceptors.request.use(
  config => {
    if (store.state.token) { // 判斷是否存在token，如果存在的話，則每個(gè)http header都加上token
      config.headers.Authorization = `token ${store.state.token}`;
    }
    return config;
  },
  err => {
    return Promise.reject(err);
  });
// http response 攔截器
axios.interceptors.response.use(
  response => {
    return response;
  },
  error => {
    if (error.response) {
      switch (error.response.status) {
        case 401:
          // 返回 401 清除token信息并跳轉(zhuǎn)到登錄頁面
          store.commit(types.LOGOUT);
          router.replace({
            path: 'login',
            query: {redirect: router.currentRoute.fullPath}
          })
      }
    }
    return Promise.reject(error.response.data)  // 返回接口返回的錯(cuò)誤信息
  }); 

/**
 * http配置
 */
// 引入axios以及element ui中的loading和message組件
import axios from 'axios'
import { Loading, Message } from 'element-ui'
// 超時(shí)時(shí)間
axios.defaults.timeout = 5000
// http請(qǐng)求攔截器
var loadinginstace
axios.interceptors.request.use(config => {
 // element ui Loading方法
 loadinginstace = Loading.service({ fullscreen: true })
 return config
}, error => {
 loadinginstace.close()
 Message.error({
 message: '加載超時(shí)'
 })
 return Promise.reject(error)
})
// http響應(yīng)攔截器
axios.interceptors.response.use(data => {// 響應(yīng)成功關(guān)閉loading
 loadinginstace.close()
 return data
}, error => {
 loadinginstace.close()
 Message.error({
 message: '加載失敗'
 })
 return Promise.reject(error)
})
export default axios