Vue.js -禁用子分区上的过渡

<template>
  <div>
    <button @click="toggle">Toggle</button>
    <transition name="fade">
      <div v-if="show" class="box"></div>
    </transition>
  </div>
</template>

<script>
export default {
  data() {
    return {
      show: true
    };
  },
  methods: {
    toggle() {
      this.show = !this.show;
    }
  }
};
</script>

<style>
.fade-enter-active, .fade-leave-active {
  transition: opacity 0.5s;
}
.fade-enter, .fade-leave-to /* .fade-leave-active in <2.1.8 */ {
  opacity: 0;
}
.box {
  width: 100px;
  height: 100px;
  background-color: blue;
}
</style>

<template>
  <transition :appear="false">
    <div class="box"></div>
  </transition>
</template>

<style>
.box {
  width: 100px;
  height: 100px;
  background-color: blue;
}
</style>

<template>
  <transition
    @before-enter="beforeEnter"
    @enter="enter"
    @after-enter="afterEnter"
    @before-leave="beforeLeave"
    @leave="leave"
    @after-leave="afterLeave"
  >
    <div v-if="show" class="box"></div>
  </transition>
</template>

<script>
export default {
  data() {
    return {
      show: true
    };
  },
  methods: {
    beforeEnter(el) {
      // 过渡开始前的准备工作
    },
    enter(el, done) {
      // 过渡进入的逻辑
      done();
    },
    afterEnter(el) {
      // 过渡进入完成后的逻辑
    },
    beforeLeave(el) {
      // 过渡离开前的准备工作
    },
    leave(el, done) {
      // 过渡离开的逻辑
      done();
    },
    afterLeave(el) {
      // 过渡离开完成后的逻辑
    }
  }
};
</script>