图片轮播,
<template>
<div ref="root" style="user-select: none;-webkit-user-select: none;overflow: hidden">
<div class="sliderPanel"
:class="{transitionAni:ani}"
:style="{height:height,transform:translateX}">
<div v-for="(item, index) in itemList" :key="index+'sliderPanel'" class="verticalCenter picbox" :style="{left:item.x+'px'}">
<img :style="{width:width,top:top}" :src="item.url" style="min-height: 100%">
</div>
</div>
<div @click="clickLeft" class="arrowLeft verticalCenter horizaCenter">
<img src="./arrow.png" style="transform: rotate(180deg)">
</div>
<div @click="clickRight" class="arrowRight verticalCenter horizaCenter">
<img src="./arrow.png">
</div>
<div class="arrowBottom verticalCenter horizaCenter" >
<img src="./arrow.png" style="transform: rotate(90deg) scale(0.7)">
</div>
<div class="sliderBar horizaCenter">
<div v-for="(item,index) in imgArray" :key="index+'sliderBar'" @click="clickSliderCircle(index)" class="circle" :class="{circleSelected:item.selected}">
</div>
</div>
</div>
</template>
<script>
const SCREEN_WIDTH = document.body.clientWidth
const SCREEN_HEIGHT = document.body.scrollHeight
var left, center, right
var selectIndex = 0
var count = 0
var second = 3 // slider 时间间隔
var timer = null
var ani = null
var debugScale = 0.2 // 测试用可调整为小于1
var Direction = {left: 'left', right: 'right'}
var autoDirection = Direction.right
var canClick = true
export default({
data: function () {
return {
width: '100%',
height: SCREEN_HEIGHT + 'px',
top: 0,
ani: true,
translateX: 'scale(' + debugScale + ') translateX(0px)',
imgArray: [
{
x: 0,
title1: '现在，在您的实验室',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/1.jpg'),
selected: false
},
{
x: 0,
title1: 'Sequel开启新基因组时代',
tilte2: '覆盖十余种胎儿染色体疾病，体验升级，呵护加倍',
title3: '了解更多',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/2.jpg')
},
{
x: 0,
title1: 'BRCA1/2全外显子基因突变检测',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/3.jpg')
},
{
x: 0,
title1: '现在，在您的实验室',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/4.jpg')
},
{
x: 0,
title1: '现在，在您的实验室',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/5.jpg')
},
{
x: 0,
title1: '现在，在您的实验室',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/6.jpg')
},
{
x: 0,
title1: '现在，在您的实验室',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/7.jpg')
},
{
x: 0,
title1: '现在，在您的实验室',
tilte2: '也可以轻松完成无创DNA产前检测',
title3: '了解详细流程',
click_url: 'http://www.berrygenomics.com/products/nextseq-cn500/cn500test/',
url: require('./image/8.jpg')
}
],
itemList: []
}
},
mounted: function () {
ani = this.$refs.root.querySelector('.sliderPanel')
count = this.imgArray.length
this.setIndex(selectIndex)
// 自动滚动切换图片
this.slideAuto(second)
},
methods: {
clickLeft: function () {
if (!canClick) return false
autoDirection = Direction.left
this.slideAuto(second)
this.moveLeftAni()
canClick = false
},
clickRight: function () {
if (!canClick) return false
autoDirection = Direction.right
this.slideAuto(second)
this.moveRightAni()
canClick = false
},
slideRight: function () {
selectIndex++
if (selectIndex + 1 > count) {
selectIndex = 0
} else if (selectIndex < 0) {
selectIndex = count - 1
}
this.setIndex(selectIndex)
},
slideLeft: function () {
selectIndex--
if (selectIndex + 1 > count) {
selectIndex = 0
} else if (selectIndex < 0) {
selectIndex = count - 1
}
this.setIndex(selectIndex)
},
clickSliderCircle: function (index) {
this.slideAuto(second)
this.setIndexPre(index)
},
setIndexPre: function (index) {
if (!canClick) return false
canClick = false
if (index === selectIndex) return
var leftIndex = index
var centerIndex = selectIndex
var rightIndex = index
for (var i = 0; i < count; i++) {
if (i === selectIndex) {
this.imgArray[i].selected = true
} else {
this.imgArray[i].selecte = false
}
}
left = this.imgArray[leftIndex]
center = this.imgArray[centerIndex]
right = this.imgArray[rightIndex]
left = JSON.parse(JSON.stringify(left))
right = JSON.parse(JSON.stringify(right))
left.x = -SCREEN_WIDTH
center.x = 0
right.x = SCREEN_WIDTH
left.index = leftIndex
center.index = centerIndex
right.index = rightIndex
this.itemList = [left, center, right]
if (index > selectIndex) {
autoDirection = Direction.right;
(function (obj) {
obj.anicompted(
'scale(' + debugScale + ') translateX(' + 0 + 'px)',
'scale(' + debugScale + ') translateX(' + -SCREEN_WIDTH + 'px)',
function () {
obj.setIndex(index)
})
})(this)
// 右移
} else if (index < selectIndex) {
// 左移
autoDirection = Direction.left;
(function (obj) {
obj.anicompted(
'scale(' + debugScale + ') translateX(' + 0 + 'px)',
'scale(' + debugScale + ') translateX(' + SCREEN_WIDTH + 'px)',
function () {
obj.setIndex(index)
})
})(this)
}
},
setIndex: function (index) {
var leftIndex = index - 1
var centerIndex = index
var rightIndex = index + 1
if (index <= 0) {
index = 0
leftIndex = count - 1
centerIndex = index
rightIndex = index + 1
} else if (index >= count - 1) {
index = count - 1
leftIndex = index - 1
centerIndex = index
rightIndex = 0
}
selectIndex = index
for (var i = 0; i < count; i++) {
if (i === selectIndex) {
this.imgArray[i].selected = true
} else {
this.imgArray[i].selected = false
}
}
left = this.imgArray[leftIndex]
center = this.imgArray[centerIndex]
right = this.imgArray[rightIndex]
left.x = -SCREEN_WIDTH
center.x = 0
right.x = SCREEN_WIDTH
left.index = leftIndex
center.index = centerIndex
right.index = rightIndex
this.itemList = [left, center, right]
},
slideAuto: function () {
clearInterval(timer);
(function (obj) {
timer = setInterval(function () {
if (autoDirection === Direction.left) {
obj.moveLeftAni()
} else {
obj.moveRightAni()
}
}, second * 1000)
})(this)
},
moveLeftAni: function () {
(function (obj) {
obj.anicompted(
'scale(' + debugScale + ') translateX(' + 0 + 'px)',
'scale(' + debugScale + ') translateX(' + SCREEN_WIDTH + 'px)',
function () {
obj.slideLeft()
})
})(this)
},
moveRightAni: function () {
(function (obj) {
obj.anicompted(
'scale(' + debugScale + ') translateX(' + 0 + 'px)',
'scale(' + debugScale + ') translateX(' + -SCREEN_WIDTH + 'px)',
function () {
obj.slideRight()
})
})(this)
},
anicompted: function (fromStr, toStr, callBack) {
var handler = null
var obj = this
handler = function () {
ani.removeEventListener('webkitTransitionEnd', handler, false)
callBack()
obj.ani = false
obj.translateX = fromStr
canClick = true
}
ani.removeEventListener('webkitTransitionEnd', handler, false)
ani.addEventListener('webkitTransitionEnd', handler, false)
this.ani = true
this.translateX = toStr
}
}
})
</script>
<style scoped>
.transitionAni{
transition: all 0.8s cubic-bezier(.23,1,.32,1);
/*transition: transform 1s;*/
}
.arrowLeft{
transition: all 0.4s ease;
width: 60px;
height: 60px;
position: absolute;
left: 15px;
top: 50%;
margin-top: -30px;
background: rgba(0,0,0,0.6);
border-radius: 6px;
}
.arrowLeft:hover{
background: rgba(0,0,0,0.8);
transform: scale(1.1);
}
.arrowRight{
transition: all 0.4s ease;
width: 60px;
height: 60px;
position: absolute;
right: 15px;
top: 50%;
margin-top: -30px;
background: rgba(0,0,0,0.6);
border-radius: 6px;
}
.arrowRight:hover{
background: rgba(0,0,0,0.8);
transform: scale(1.1);
}
.sliderBar{
width:100%;height: auto;position: absolute;bottom: 50px;
}
.circle{
width: 15px;
height: 15px;
background: rgba(0,0,0,0.7);
border-radius: 50%;
display: table-cell;
margin-right: 3px;
transition: all 0.5s ease;
}
.circle:hover{
background: #C7015C;
transform: scale(1.15);
}
.circleSelected{
background: #C7015C;
transform: scale(1.15);
}
.arrowBottom{
width: 80px;
height: 50px;
position: absolute;
bottom: -15px;
left: 50%;
margin-left: -40px;
background: #C7015C;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
transition: all 0.5s ease-out;
}
.arrowBottom:hover{
transform: translateY(-10px);
background: deeppink;
}
.picbox{
width: 100%;
height: 100%;
position: absolute;
top: 0;
overflow: hidden;
/*transform: scale(0.9);*/
/*opacity: 0.2;*/
transition: all 0.45s ease;
}
/*@keyframes arrowOut-animation {*/
/*from{*/
/*transform: translateY(0px);*/
/*}*/
/*to{*/
/*transform: translateY(15px);*/
/*!*width:200px;*!*/
/*}*/
/*}*/
/*@keyframes arrowIn-animation {*/
/*from{*/
/*transform: translateY(15px);*/
/*}*/
/*to{*/
/*transform: translateY(0px);*/
/*!*height: 200px;*!*/
/*}*/
/*}*/
/*.arrowOut{*/
/*animation: arrowOut-animation;*/
/*animation-duration: 0.5s;*/
/*animation-timing-function: ease-out;*/
/*animation-fill-mode:forwards;*/
/*}*/
/*.arrowIn{*/
/*animation: arrowIn-animation;*/
/*animation-duration: 0.5s;*/
/*animation-timing-function:ease-out;*/
/*animation-fill-mode:forwards;*/
/*}*/
</style>
本文来自博客园，作者：东庄，转载请注明原文链接：https://www.cnblogs.com/lizhiwei8/p/10314460.html
