Js跑马灯效果 && 在Vue中使用
Posted 东风杨柳岸，岁月如烟
tags:
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DEMO:
<!DOCTYPE html>
<html>
<head>
<title>滚动播报</title>
<meta charset="UTF-8">
<style>
.content {
height: 60px;
background-color: #2c2c34;
overflow: hidden;
}
.content ul {
white-space: nowrap;
}
.content ul li {
position: relative;
font-size: 14px;
vertical-align: middle;
line-height: 35px;
padding: 0 8px;
white-space: nowrap;
display: inline-block;
color: #fff
}
#scrollBox {
overflow: hidden;
}
#scrollBox .scrollWrap {
width: 500%
}
.scrollCont {
float: left;
}
</style>
</head>
<body>
<div class="content">
<ul>
<div id="scrollBox">
<div class="scrollWrap">
<div id="scrollContOne" class="scrollCont">
<li>我是第一条数据</li>
<li>我是第二条数据</li>
<li>我是第三条数据</li>
<li>我是第四条数据</li>
<li>我是第五条数据</li>
<li>我是第六条数据</li>
<li>我是第七条数据</li>
<li>我是第八条数据</li>
</div>
<div id="scrollContTwo" class="scrollCont"></div>
</div>
</div>
</ul>
</div>
<script>
let speed = 40
let scrollBox = document.getElementById("scrollBox");
let scrollContOne = document.getElementById("scrollContOne");
let scrollContTwo = document.getElementById("scrollContTwo");
scrollContTwo.innerHTML = scrollContOne.innerHTML;
scrollBox.scrollLeft = 0;
function scrollRadio() {
if (scrollBox.scrollLeft >= scrollContTwo.offsetWidth) {
scrollBox.scrollLeft -= scrollContOne.offsetWidth
} else {
scrollBox.scrollLeft += 2;
}
}
let MyScrollRadio = setInterval(scrollRadio, speed);
scrollBox.onmouseover = function() {
clearInterval(MyScrollRadio)
};
scrollBox.onmouseout = function() {
MyScrollRadio = setInterval(scrollRadio, speed)
};
</script>
</body>
</html>
在Vue中使用：
<template>
<div class="content">
<ul>
<div id="scrollBox">
<div class="scrollWrap">
<div id="scrollContOne" class="scrollCont">
<li v-for="item in items">
<a href="{{item}" target="_blank"></a>
</li>
</div>
<div id="scrollContTwo" class="scrollCont"></div>
</div>
</div>
</ul>
</div>
</template>
<style scoped>
.content {
height: 60px;
background-color: #2c2c34;
overflow: hidden;
}
.content ul {
white-space: nowrap;
}
.content ul li {
position: relative;
font-size: 14px;
vertical-align: middle;
line-height: 35px;
padding: 0 8px;
white-space: nowrap;
display: inline-block;
}
.content ul li a {
text-decoration: none;
color:#fff;
}
#scrollBox {
overflow: hidden;
margin-left: 36px;
}
#scrollBox .scrollWrap {
width: 500%
}
.scrollCont {
float: left;
}
</style>
<script>
export default {
data: () => ({
canScrollTimer: 0
}),
methods: {
run() {
let speed = 40;
let scrollBox = document.getElementById("scrollBox");
let scrollContOne = document.getElementById("scrollContOne");
let scrollContTwo = document.getElementById("scrollContTwo");
scrollContTwo.innerHTML = scrollContOne.innerHTML;
scrollBox.scrollLeft = 0;
function scrollRadio() {
if (scrollBox.scrollLeft >= scrollContTwo.offsetWidth) {
scrollBox.scrollLeft -= scrollContOne.offsetWidth
} else {
scrollBox.scrollLeft += 2;
}
}
let MyScrollRadio = setInterval(scrollRadio, speed);
scrollBox.onmouseover = function() {
clearInterval(MyScrollRadio)
};
scrollBox.onmouseout = function() {
MyScrollRadio = setInterval(scrollRadio, speed)
};
},
canScroll() {
let innerHTML = document.getElementById("scrollContOne").innerHTML;
if (innerHTML != null && innerHTML != ‘‘ && innerHTML.trim().length != 0) {
clearInterval(this.canScrollTimer);
this.run();
} else {
let self = this;
this.canScrollTimer = setInterval(function() {
self.canScroll()
}, 1000);
}
}
},
ready() {
this.canScroll();
}
}
</script>
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