Vue.js 切换组件视图示例

<template>
  <div>
    <button @click="changeView">切换视图</button>
    <transition name="fade" mode="out-in">
      <component :is="currentView"></component>
    </transition>
  </div>
</template>
<script>
import ComponentA from './ComponentA.vue'
import ComponentB from './ComponentB.vue'

export default {
  components: {
    ComponentA,
    ComponentB
  },
  data() {
    return {
      currentView: 'ComponentA'
    }
  },
  methods: {
    changeView() {
      this.currentView = this.currentView === 'ComponentA' ? 'ComponentB' : 'ComponentA'
    }
  }
}
</script>
<style>
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.5s;
}
.fade-enter,
.fade-leave-to {
  opacity: 0;
}
</style>