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<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″ />
<title>移动端图片滑动</title>
<meta
name=”viewport”
content=”width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no”
/>
<script
type=”text/javascript”
></script>
<!– <link rel=”stylesheet” type=”text/css” href=”http://clovisdasilvaneto.github.io/all-animation/css/all-animation.css”> –>
<style>
* {
margin: 0;
padding: 0;
}
html,
body {
overflow: hidden;
}
body {
position: relative;
background: #fff;
}
ul,
li {
list-style: none;
}
img {
max-width: 100%;
max-height: 100%;
display: block;
}
wrap {
padding: 0px;
overflow: hidden;
}
boxSection {
position: relative;
overflow: hidden;
}
boxSection > div {
font-size: 50px;
text-align: center;
position: absolute;
-webkit-transform: translate3d(100%, 0, 0);
transform: translate3d(100%, 0, 0);
}
boxSection > div.section1 {
background-color: red;
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
boxSection > div.section2 {
background-color: #336699;
color: #fff;
}
boxSection > div.section3 {
background-color: #000;
color: #fff;
}
boxSection > div.section4 {
background-color: green;
}
boxSection > div.section5 {
background-color: #ff6600;
}
boxSection .img {
text-align: center;
display: table-cell;
vertical-align: middle;
}
boxSection .img img {
display: inline-block;
}
boxSection .title {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: 10px 5px;
-webkit-box-sizing: border-box;
box-sizing: border-box;
font-size: 16px;
color: #fff;
background-color: rgba(0, 0, 0, 0.7);
}
</style>
</head>
<body>
<div id=”wrap”><div id=”boxSection”></div></div>
<script type=”text/javascript”>
var Img = {
data: [
{
src:
‘http://flymeos.res.meizu.com/resources/flymeos/images/flymeos/MX3.png’,
title: ‘这就是我啦32’,
},
{
src:
‘http://m.baidu.com/static/index/plus/plus_logo.png’,
title: ‘这就是我啦34’,
},
{
src:
‘http://www.update8.com/uploads/131025/1-131025150516301.jpg’,
title: ‘这就是我啦53’,
},
{
src: ‘http://www.update8.com/images/05.jpg’,
title: ‘这就是我啦12’,
},
{
src: ‘http://www.update8.com/images/01.jpg’,
title: ‘这就是我啦32’,
},
{
src:
‘http://flymeos.res.meizu.com/resources/flymeos/images/flymeos/home/flyme_img.jpg’,
title: ‘这就是我啦34’,
},
{
src:
‘http://flymeos.res.meizu.com/resources/flymeos/images/flymeos/MX2.png’,
title: ‘这就是我啦53’,
},
],
}
var imgSlider = function(obj, imgArr) {
this.init(obj, imgArr)
}
imgSlider.prototype = {
init: function(myObj, imgAry) {
if (!document.getElementById(myObj)) return
;(this.a = myObj),
(this.wrap = document.getElementById(myObj)),
(this.imgArr = imgAry.data),
(this.len = this.imgArr.length),
(this.myIndex = 0),
(this.zIndexs = 1),
(this.winW = this.clientW()),
(this.winH = this.clientH()),
(self = this)
for (var i = 0; i < this.len; i++) {
div = document.createElement(‘div’)
div.className = ‘section section’ + parseInt(i + 1)
div.style.cssText =
‘width:’ +
this.winW +
‘px; height:’ +
this.winH +
‘px; ‘
this.wrap.appendChild(div)
}
this.div = this.getClass(myObj, ‘section’)
this.render()
window.onresize = function() {
self.render()
self.loadImg(self.myIndex)
}
this.loadImg(this.myIndex)
this.slider(this.wrap)
},
render: function() {
;(this.winW = this.clientW()), (this.winH = this.clientH())
this.wrap.style.cssText =
‘width:’ + this.winW + ‘px; height:’ + this.winH + ‘px’
for (var i = 0; i < this.len; i++) {
this.div[i].style.cssText =
‘width:’ +
this.winW +
‘px; height:’ +
this.winH +
‘px; ‘
}
},
slider: function(myWrap) {
myWrap.addEventListener(‘touchstart’, startHander, false)
myWrap.addEventListener(‘touchmove’, moveHander, false)
myWrap.addEventListener(‘touchend’, endHander, false)
var startTime,
posX,
offX,
self = this
function startHander(e) {
startTime = new Date() * 1
posX = e.targetTouches[0].pageX
}
function moveHander(e) {
e.preventDefault()
offX = e.touches[0].pageX – posX
var prev = self.myIndex – 1,
next = prev + 3
for (var i = 0; i < next; i++) {
if (self.div[i]) {
self.div[i].style.webkitTransition = ‘all 0’
self.div[i].style.webkitTransform =
‘translate3d(‘ +
((i – self.myIndex) * self.winW + offX) +
‘px,0,0)’
}
}
}
function endHander() {
var endTime = new Date() * 1,
cW = self.winW / 6
if (endTime – startTime > 300) {
if (offX > cW) {
self.goPage(self.myIndex – 1)
} else if (offX < -cW) {
self.goPage(self.myIndex + 1)
} else {
self.goPage(self.myIndex)
}
} else {
if (offX > 80) {
self.goPage(self.myIndex – 1)
} else if (offX < -80) {
self.goPage(self.myIndex + 1)
} else {
self.goPage(self.myIndex)
}
}
}
},
goPage: function(num) {
var n = parseInt(num),
_index = this.myIndex
if (n > this.div.length – 1) {
_index = this.div.length – 1
} else if (n <= 0) {
_index = 0
} else {
_index = n
}
this.myIndex = _index
this.loadImg(this.myIndex)
if (this.div[this.myIndex – 1]) {
this.div[this.myIndex – 1].style.webkitTransition =
‘all 0.3s’
this.div[this.myIndex – 1].style.webkitTransform =
‘translate3d(‘ + -this.winW + ‘px,0,0)’
}
if (this.div[this.myIndex]) {
this.div[this.myIndex].style.webkitTransition =
‘all 0.3s’
this.div[this.myIndex].style.webkitTransform =
‘translate3d(0,0,0)’
}
if (this.div[this.myIndex + 1]) {
this.div[this.myIndex + 1].style.webkitTransition =
‘all 0.3s’
this.div[this.myIndex + 1].style.webkitTransform =
‘translate3d(‘ + this.winW + ‘px,0,0)’
}
},
loadImg: function(n) {
var imgObj = new Image()
var self = this
imgObj.onload = function() {
imgObj.onload = null
var imgW = this.width,
imgH = this.height,
imgT = imgW / imgH,
objW = parseInt(
self.getStyle(self.div[n], ‘width’),
),
objH = parseInt(
self.getStyle(self.div[n], ‘height’),
),
winT = objW / objH,
winHeight = parseInt((imgH / imgW) * objW),
winWidth = parseInt((imgW / imgH) * objH)
var html = ”
if (imgT > winT) {
console.log(‘横’)
html = [
‘<div class=”img” style=”width:’ +
self.winW +
‘px; height:’ +
parseInt(self.winH) +
‘px;”>’,
‘<img src=’ +
this.src +
‘ style=”width:’ +
self.winW +
‘px”>’,
‘</div>’,
‘<span class=”title”>’ +
self.imgArr[n].title +
‘</span>’,
].join(”)
self.div[n].innerHTML = html
} else {
console.log(‘竖’)
html = [
‘<div class=”img” style=”width:’ +
self.winW +
‘px; height:’ +
parseInt(self.winH) +
‘px;”>’,
‘<img src=’ +
this.src +
‘ style=”height:’ +
self.winH +
‘px”>’,
‘</div>’,
‘<span class=”title”>’ +
self.imgArr[n].title +
‘</span>’,
].join(”)
self.div[n].innerHTML = html
}
}
imgObj.src = this.imgArr[n].src
},
getClass: function(obj, iClass) {
var a = document.getElementById(obj),
b = a.getElementsByTagName(‘*’),
c = []
for (var i = 0; i < b.length; i++) {
var d = b[i].className.split(‘ ‘)
for (var j = 0; j < d.length; j++) {
if (d[j] == iClass) {
c.push(b[i])
}
}
}
return c
},
getStyle: function(obj, attr) {
return obj.currentStyle
? obj.currentStyle[attr]
: getComputedStyle(obj, null)[attr]
},
clientW: function() {
return (
document.documentElement.clientWidth ||
document.body.clientWidth
)
},
clientH: function() {
return (
document.documentElement.clientHeight ||
document.body.clientHeight
)
},
}
new imgSlider(‘boxSection’, Img)
</script>
</body>
</html>
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