实例 Vue activated 和 deactivated 钩子实例

<template>

  <h1>The 'activated' and 'deactivated' Lifecycle Hooks</h1>

  <p>In this example for the 'activated' and 'deactivated' hooks we also see when and if the 'mounted' and 'unmounted' hooks are run.</p>

  <button @click="this.activeComp = !this.activeComp">Include component</button>

  <div>

    <KeepAlive>

      <comp-one v-if="activeComp"></comp-one>

    </KeepAlive>

  </div>

</template>

​

<script>

export default {

  data() {

    return {

      activeComp: false

    }

  }

}

</script>

​

<style scoped>

  div {

    border: dashed black 1px;

    border-radius: 10px;

    padding: 20px;

    margin-top: 10px;

    background-color: lightgreen;

  }

</style>