在PC端网页,包括大数据、官网、后台管理平台开发中,可能会用到这种列表循环滚动的展示。
大致需求: 列表可以使用数组循环遍历;每隔几秒中列表数据向上滚动一定距离,展示下一条数据;滚动到最后一条数据时重新显示第一条开始的数据(类似走马灯、banner图的循环效果); 整体思路: 使用两个定时器嵌套实现;需要两个相同容器存放同样内容,实现无缝衔接效果; 效果展示: 完整代码:DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>title>
<script src="https://unpkg.com/vue@2.6.14/dist/vue.min.js">script>
<style>
/* 滚动表格最外层 */
.tableoOut {
margin: 100px auto;
width: 500px;
height: 400px;
background: pink;
overflow: hidden;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
}
.tableBox {
width: 100%;
background: #000;
overflow: hidden
}
.tableTit {
background: #000;
width: 100%;
height: 40px;
color: #858A84;
text-align: center;
display: flex;
justify-content: center;
align-items: center;
}
.tableInner {
height: auto;
}
.box {
width: 100%;
height: 50px;
display: flex;
justify-content: center;
align-items: center;
color: #fff;
}
.box .time {
color: #858A84;
}
.tableoOut .addr, .tableoOut .time, .tableoOut .name {
box-sizing: border-box;
padding: 0 5px;text-align: center;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.tableoOut .addr {
width: calc(100% - 200px);
flex-shrink: 0;
}
.tableoOut .name, .tableoOut .time {
width: 100px;
flex-shrink: 0;
}
style>
head>
<body>
<div id="app">
<div class="tableoOut" ref="tableoOut">
<div class="tableTit">
<div class="name">姓名div>
<div class="addr">地址div>
<div class="time">入驻时间div>
div>
<div class="tableBox" ref="tableBox"
:style="{height: tableHei}">
<div class="tableInner" ref="tableInner">
<div class="box" v-for="item in 7" :key="item">
<div class="name">{{item}}div>
<div class="addr">山东省山东省山东省山东省山东省山东省山东省山东省
山东省山东省山东省山东省山东省div>
<div class="time">2022-05-26div>
div>
div>
<div class="tableInner" v-if="size < 7">
<div class="box" v-for="item in 7" :key="item">
<div class="name">{{item}}div>
<div class="addr">山东省山东省山东省山东省山东省山东省山东省山东省
山东省山东省山东省山东省山东省div>
<div class="time">2022-05-26div>
div>
div>
div>
div>
div>
body>
<script>
new Vue({
el: '#app',
data: {
tableHei: 'auto',
timer: null,
size: 0
},
mounted() {
this.getTable();
},
methods: {
getTable() {
const outHei = this.$refs.tableoOut.clientHeight - 60;
this.size = Math.floor(outHei / 50);
this.tableHei = this.size * 50 + 'px';
this.scrolls();
},
stepScroll() {
const step = 50;
let num = 0;
const tableBox = this.$refs.tableBox;
const stepTime = setInterval(function () {
num += 2;
if (num > step) {
num = 0;
clearInterval(stepTime);
} else {
tableBox.scrollTop += 2;
}
}, 20);
},
scrolls() {
const that = this;
const tableBox = this.$refs.tableBox;
const tableInner = this.$refs.tableInner;
clearInterval(this.timer);
this.timer = setInterval(function () {
if(tableBox.scrollTop === tableInner.scrollHeight) {
tableBox.scrollTop = 0;
}
that.stepScroll();
}, 2000);
},
}
})
script>
html>
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