在父组件外部呈现Vue内容

<template>
  <div>
    <child-component :data="parentData"></child-component>
  </div>
</template>

<script>
import ChildComponent from '...'

export default {
  components: {
    ChildComponent
  },
  data() {
    return {
      parentData: 'Hello from parent component'
    }
  }
}
</script>

<template>
  <div>
    <p>{{ data }}</p>
  </div>
</template>

<script>
export default {
  props: ['data']
}
</script>

<template>
  <div>
    <component :is="currentComponent"></component>
  </div>
</template>

<script>
import FirstComponent from '...'
import SecondComponent from '...'

export default {
  components: {
    FirstComponent,
    SecondComponent
  },
  data() {
    return {
      currentComponent: 'FirstComponent'
    }
  },
  methods: {
    changeComponent() {
      this.currentComponent = 'SecondComponent'
    }
  }
}
</script>