<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
list-style: none;
}
.menu {
display: flex;
position: absolute;
bottom: 10px;
}
.menu li {
padding: 3px 20px;
cursor: pointer;
user-select: none;
background-color: black;
margin: 0 10px;
}
.menu li.active {
background-color: red;
}
.container {
height: 300px;
width: 700px;
margin: 100px auto;
position: relative;
display: flex;
justify-content: center;
align-items: center;
}
.arrow {
position: absolute;
width: 30px;
height: 30px;
background-color: red;
cursor: pointer;
}
.arrow.left {
left: -50px;
}
.arrow.right {
right: -50px;
}
</style>
</head>
<body>
<div id="app">
<showlist :pic='imgs'></showlist>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.js"></script>
<script>
let vm = new Vue({
el: "#app",
components: {
showlist: {
props: ['pic'],
template: `
<div class="container">
<div class="arrow left" @click='prev'></div>
<div class="arrow right" @click='next'></div>
<img :src="img" v-for='(img,i) in pic' v-show='i===activeIndex' alt="" style="width: 700px;height: 300px;">
<ul class="menu">
<li v-for='(city,i) in pic' @click='hover(i)' :class="{active:i===activeIndex}">
</li>
</ul>
</div>`,
data() {
return {
activeIndex: 0,
timer: 0
}
},
mounted() {
this.run()
},
methods: {
run() {
this.timer = setInterval(() => {
if (++this.activeIndex === this.pic.length) this.activeIndex = 0
}, 2000);
},
hover(i) {
clearInterval(this.timer)
this.activeIndex = i
this.run()
},
prev() {
clearInterval(this.timer)
if (--this.activeIndex < 0) this.activeIndex = this.pic.length - 1
this.run()
},
next() {
clearInterval(this.timer)
if (++this.activeIndex === this.pic.length) this.activeIndex = 0
this.run()
}
}
}
},
data() {
return {
imgs: [
'http://p1.music.126.net/YJrFfebnzoe71WP2owqSpA==/109951165502113989.jpg?imageView&quality=89',
'http://p1.music.126.net/1hyoMLrqiMMIQcIrIRAPSA==/109951165501908216.jpg?imageView&quality=89',
'http://p1.music.126.net/0oqFGJpDWbodGfre9HO-7g==/109951165502844529.jpg?imageView&quality=89',
'http://p1.music.126.net/phtxahH9iEo1R8qL1kIxdA==/109951165501694969.jpg?imageView&quality=89'
],
}
},
})
</script>
</body>
</html>