export default new Router({
 routes: [
  {
   path: '/live',
   name: 'live',
   component: () => import('@/view/live/live.vue')
  }
 ]
})

<template>
  <index></index>
</template>
<script>
  import LoadingComponent from './load.vue' // LoadingComponents是 live.vue为获取前展示的内容
  export default {
    components: {
      index: () => ({
        component: import('@/view/live/live.vue'),
        // 异步组件加载时使用的组件
        loading: LoadingComponent,
        // 展示加载时组件的延时时间。默认值是 200 (毫秒)
        delay: 200,
        // 如果提供了超时时间且组件加载也超时了，
        // 则使用加载失败时使用的组件。默认值是：`Infinity`
        timeout: 3000
      })
    }
  }
</script>

export default new Router({
 routes: [
  {
   path: '/live',
   name: 'live',
   component: import('loadable.vue')
  }
 ]
})

import LoadingComponent from './load.vue'
export default (asyncComponent) => {
  const Com= () => ({
    // 这里vue官网可以知道具体有哪些参数可以设置
    // https://cn.vuejs.org/v2/guide/components-dynamic-async.html#%E5%A4%84%E7%90%86%E5%8A%A0%E8%BD%BD%E7%8A%B6%E6%80%81
    component: asyncComponent(),
    loading: LoadingComponent
  })
  return {
    render (h) {
     return h(Com, {})
    }
  }
}

import loadable from 'loadable.js'
export default new Router({
 routes: [
  {
   path: '/live',
   name: 'live',
   component: loadable (() => import('@/view/live/live.vue'))
  }
 ]
})