vue实现公告栏⽂字上下滚动效果
<template>
<div>
<h2>公告栏⽂字停顿滚动</h2>
<div class="textBox">
<transition name="slide">
<p
class="text"
:key="text.id"
@mouseenter="mouseenter"
@mouseleave="mouseleave"
>{{text.val}}</p>
</transition>
</div>
</div>
</template>
<script>
export default{
name:'scroll',
data(){
return{
textArr:[
'1 第⼀条公告',
'2 第⼆条公告第⼆条公告',
'3 第三条公告第三条公告第三条公告'
],
number:0,
timer: null
}
},
text align centercomputed:{
text(){
return{
id:this.number,
Arr[this.number]
}
}
},
mounted(){
this.startMove()
},
methods:{
mouseenter(){
clearInterval(this.timer)
},
mouseleave(){
this.startMove()
},
startMove(){
this.timer =setTimeout(()=>{
if(this.number ===2){
this.number =0;
}else{
this.number +=1;
}
this.startMove();
},2000)// 滚动不需要停顿则将2000改成动画持续时间
}
}
}
</script>
<style scoped>
<style scoped>
h2 {
padding:20px 0;
}
.
textBox {
width:100%;
height:40px;
margin:0 auto;
overflow: hidden;
position: relative;
text-align: center;
}
.text {
width:100%;
position: absolute;
bottom:0;
}
.slide-enter-active,
.slide-leave-active {
transition: all 0.5s linear;
}
.slide-enter {
transform:translateY(20px)scale(1);  opacity:1;
}
.slide-leave-to {
transform:translateY(-20px)scale(0.8);  opacity:0;
}
</style>

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