直播系统源代码，vue实现无缝滚动

直播系统源代码，vue实现无缝滚动

一、采用js的方法实现

<template>
<div>
<div class="box">
<div v-for="item in 2" class="item-box" :style="{transform:'translate(0,'+scrollTop+'px)'}">
<div class="item" v-for="i in 9">{{i}}</div>
</div>
</div>
</div>
</template>
 
<script>
export default {
data() {
return {
scrollTop: 0,
}
},
onLoad() {
this.roll()
},
methods: {
roll() {
if (this.scrollTop == -300) {
this.scrollTop = 0
}
this.scrollTop -= 1;
setTimeout(() => {
this.roll()
}, 10)
},
}
}
</script>
<style>
.box {
width: 320px;
height: 300px;

overflow: hidden;
}
 
.box .item-box {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
flex-wrap: wrap;
}
 
.box .item-box .item {
width: 29%;
height: 29%;
margin: 1%;
background-color: paleturquoise;
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
}
</style>

​

二、css动画实现

<template>
<div>
<div class="box">
<div v-for="item in 2" class="item-box">
<div class="item" v-for="i in 9">{{i}}</div>
</div>
</div>
</div>
</template>
 
<script>
export default {
data() {
return {}
},
methods: {
 
}
}
</script>
<style>
.box {
width: 320px;
height: 300px;

overflow: hidden;
}
 
.box .item-box {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
flex-wrap: wrap;
animation: roll 5s linear infinite;
}
 
.box .item-box .item {
width: 29%;
height: 29%;
margin: 1%;
background-color: paleturquoise;
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
}
 
@keyframes roll {
0% {
transform: translate(0, 0px);
}
 
20% {
transform: translate(0, -60px);
}
 
40% {
transform: translate(0, -120px);
}
 
60% {
transform: translate(0, -180px);
}
 
80% {
transform: translate(0, -240px);
}
 
100% {
transform: translate(0, -300px);
}
}
</style> 

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