vue router 组件的高级应用实例代码

import VueRouter from 'vue-router';
...

//加载 vue-router 插件
Vue.use(VueRouter);

/*定义路由匹配表*/
const Routers = [{
 path: '/index',
 component: (resolve) => require(['./router/views/index.vue'], resolve),
 meta: {
  title: '首页'
 }
},
 //一次性加载
 // {
 //  path: '/index',
 //  component: require('./router/views/index.vue')
 // },
 {
  path: '/about',
  component: (resolve) => require(['./router/views/about.vue'], resolve),
  meta: {
   title: '关于'
  }
 },
 {
  path: '/article/:id',
  component: (resolve) => require(['./router/views/article.vue'], resolve)
 }
 ,
 {//当访问的页面不存在时，重定向到首页
  path: '*',
  redirect: '/index'
 }
]
//路由配置
const RouterConfig = {
 //使用 HTML5 的 History 路由模式
 mode: 'history',
 routes: Routers
};
//路由实例
const router = new VueRouter(RouterConfig);
//动态设置页面标题
router.beforeEach((to, from, next) => {
 window.document.title = to.meta.title;
 next();
})
new Vue({
 el: '#app',
 router: router,
 render: h => h(Hello)
})

meta: {
  title: 'xxx'
}

router.afterEach((to, from, next) => {
 window.scrollTo(0, 0);
});

router.beforeEach((to, from, next) => {
 if (window.localStorage.getItem('token')) {
  next();
 } else {
  next('/login');
 }
});