vue过渡动画

.fade-transition {
transition: all .5s ease;
opacity: 1;
}
.fade-enter,
.fade-leave {
opacity: 0;
}

<div class="czk-model" @touchmove.prevent v-if="czkModel.show" transition="fade">

.fade-enter-active, .fade-leave-active {
transition: opacity .5s
}
.fade-enter, .fade-leave-to /* .fade-leave-active in below version 2.1.8 */ {
opacity: 0
}

<transition name="fade">
<p v-if="show">hello</p>
</transition>