<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="lib/vue-2.4.0.js"></script>
<style>
.ball{
width: 15px;
height: 15px;
border-radius: 50%;
background-color: red;
}
</style>
</head>
<body>
<div id="app">
<input type="button" value="加入购物车" @click="flag=!flag">
<transition v-on:before-enter="beforeEnter" v-on:enter="enter" v-on:after-enter="afterEnter">
<div class="ball" v-show="flag"></div>
</transition>
<!--<transition
v-on:before-enter="beforeEnter"开始动画之前,起始位置
v-on:enter="enter" 动画进入
v-on:after-enter="afterEnter" 动画进入之后
v-on:enter-cancelled="enterCancelled" 进入取消 没怎么用到
v-on:before-leave="beforeLeave"
v-on:leave="leave"
v-on:after-leave="afterLeave"
v-on:leave-cancelled="leaveCancelled">
</transition>-->
</div>
<script>
var vm=new Vue({
el:"#app",
data:{
flag:false
},
methods:{
beforeEnter(el){
el.style.transform="translate(0,0)"
},
enter(el,done){
el.offsetWidth//强制刷新动画的路径
el.style.transform="translate(150px,450px)"
el.style.transition="all 1s ease"
done()//是afterEnter函数的引用
},
afterEnter(el){
this.flag=!this.flag
console.log("ok")
}
}
})
</script>
</body>
</html>