vue enter the page with the left trigger event page

1.切换进入当前路由之前的钩子函数 beforeRouteEnter

<script>
export default {
  beforeRouteEnter(to, form, next) {
    next()
  }
}
</script>

2.离开当前路由之前的钩子函数 beforeRouteLeave

<script>
export default {
  beforeRouteLeave(to, form, next) {
    next()
  }
}
</script>