vue 无缝滚动文字

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前言

用vue做无缝滚动，字体弹幕

就上代码吧

<head>
<meta charset="UTF-8">
<style>
div, ul, li, span, img {
margin: 0;
padding: 0;
display: flex;
box-sizing: border-box;
}
.marquee {
width: 100%;
height: 50px;
align-items: center;
color: #3A3A3A;
background-color: #b3effe;
display: flex;
box-sizing: border-box;
}.marquee_title {
padding: 0 20px;
height: 30px;
font-size: 14px;
border-right: 1px solid #d8d8d8;
align-items: center;
}.marquee_box {
display: block;
position: relative;
width: 60%;
height: 30px;
overflow: hidden;
}.marquee_list {
display: block;
position: absolute;
top: 0;
left: 0;
}
.marquee_top {
transition: all 0.5s;
margin-top: -30px
}.marquee_list li {
height: 30px;
line-height: 30px;
font-size: 14px;
padding-left: 20px;
}.marquee_list li span {
padding: 0 2px;
}.red {
color: #FF0101;
}</style></head>

<body><div class="vueBox">
<div class="marquee">
<div class="marquee_title">
<span>滚动</span></div> <div class="marquee_box">
<ul class="marquee_list" :class="{marquee_top:animate==true}">
<li v-for="(item, index) in latestGiftVoterList" :key="index">
<span>{{item.name}}</span> <span>在</span> <span class="red">{{item.city}}</span> <span>杀敌</span> <span class="red">{{item.amount}}</span> <span>万</span></li>
</ul>
</div>
</div>
</div><script type="text/javascript" src="js/vue.min.js"></script>
<script type="text/javascript">
const vm = new Vue({
el: ".vueBox",
data: {
animate: false,
marqueeList: [
{
name: '1军',
city: '北京',
amount: '10'
},
{
name: '2军',
city: '上海',
amount: '20'
},
{
name: '3军',
city: '广州',
amount: '30'
},
{
name: '4军',
city: '重庆',
amount: '40'
}
]
},
created: function () {
setInterval(this.showMarquee, 2000)
},
methods: {
showMarquee: function () {
this.animate = true;
setTimeout(()=>{
this.marqueeList.push(this.marqueeList[0]);
this.marqueeList.shift();
this.animate = false; //这个地方如果不把animate 取反会出现消息回滚的现象，此时把ul 元素的过渡属性取消掉就可以完美实现无缝滚动的效果了