App.vue 代码

<template>

  <div id="app">
    <Header></Header>
    // 用transition 把切换组件页面的容器包含
    <transition name="slide-fade">
        <router-view></router-view>
    </transition>

    </div>
</template>



<script>
import Header from './components/header'
export default {
  name: 'app',
  components: {Header},

}

</script>
// 动画
<style scoped>
.slide-fade{
  position: absolute;left:0;right: 0;
}
.slide-fade-enter-active {
  transition: all 1.2s ease;
}
.slide-fade-leave-active {

  transition: all .1s cubic-bezier(2.0, 0.5, 0.8, 1.0);
}
.slide-fade-enter, .slide-fade-leave-to
{
  left:0;right: 0;
  transform: translateX(50px);
  opacity: 0;
}
</style>