摘要：
<style> .v-enter,.v-leave-to{ opacity: 0; } .v-enter-active,.v-leave-active{ transition:opacity 1s; } </style> <div id='app'> <transition> <div v-if=' 阅读全文
摘要：
<style> .v-enter,.v-leave-to{ opacity: 0; } .v-enter-active,.v-leave-active{ transition: opacity 1s; } </style> <div id='app'> <transition-group> <div 阅读全文