<template> 
 <div id="app"> 
 
  <transition :name="transitionName"> 
   <router-view class="child-view"></router-view> 
  </transition> 
 
 </div> 
</template> 
 
<script> 
 
export default { 
 name: 'app', 
 data () { 
  return { 
   transitionName: 'slide-left' 
  } 
 }, 
 mounted () { 
 }, 
 //监听路由的路径，可以通过不同的路径去选择不同的切换效果 
 watch: { 
  '$route' (to, from) { 
   if(to.path == '/'){ 
    this.transitionName = 'slide-right'; 
   }else{ 
    this.transitionName = 'slide-left'; 
   } 
  } 
 } 
} 
</script> 
 
<style> 
.child-view { 
 position: absolute; 
 left: 0; 
 top: 0; 
 width: 100%; 
 height: 100%; 
 transition: all .5s cubic-bezier(.55,0,.1,1); 
} 
.slide-left-enter, .slide-right-leave-active { 
 opacity: 0; 
 -webkit-transform: translate(30px, 0); 
 transform: translate(30px, 0); 
} 
.slide-left-leave-active, .slide-right-enter { 
 opacity: 0; 
 -webkit-transform: translate(-30px, 0); 
 transform: translate(-30px, 0); 
} 
</style>