https://blog.csdn.net/qq_41948178/article/details/103901722
<transition name="plus-icon">
<div class="service" @click="qq()" v-if='go_qq'>
<img src="~@/../static/img/service.png" alt="">
</div>
</transition>
.plus-icon-enter-active {
transition: opacity 0.5s;
}
.plus-icon-enter {
opacity: 0;
}
.plus-icon-leave-active {
transition: opacity 0.5s;
}
.plus-icon-leave-to {
opacity: 0;
}
