<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1,minimum-scale=1,user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<title>PageSlider Demo</title>
<style>
html,body{
width:100%;
height:100%;
margin:0 ;
padding:0 ;
overflow:hidden;
}
.pages{
width: 100%;
height: 100%;
position: relative;
}
.page {
font-size:100px;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
overflow: hidden;
transform: translate3d(0px, 100%, 0px);
-webkit-transform: translate3d(0px, 100%, 0px);
-moz-transform: translate3d(0px, 100%, 0px);
transition: transform .5s ease-out;
-webkit-transition: -webkit-transform .5s ease-out;
-moz-transition: -moz-transform .5s ease-out;
}
.page1{background:red;}
.page2{background:green;}
.page3{background:blue;}
/* the box animation */
.box{
width:100px ;
height:100px;
background:black ;
}
.play .myAnimation{
animation:move 1s ease 1 both ;
-webkit-animation: move 1s ease 1 both ;
}
@-webkit-keyframes move{
100%{
-webkit-transform:translate3d(150px,0,0);
transform:translate3d(150px,0,0);
-ms-transform: translate3d(150px,0,0);
}
}
</style>
</head>
<body>
<div class="pages">
<div class = "page page1">page1</div>
<div class = "page page2">page2<div class="box myAnimation"></div></div>
<div class = "page page3">page3</div>
</div>
</div>
</body>
<script>
// PageSlide接收三个参数:页面元素,要设定的滑动方向,可选的扩展函数
var PageSlide = function(el, swipe, options) {
this.options = options || {} //可选函数
this.current = 0 //当前页面索引
this.pageX //横向的手指落点
this.pageY //纵向的手指落点
this.height //设备高度
this.width //设备宽度
this.flag //判断滑动方向的变量
this.move //滑动的距离
this.$el = el //当前页面的对象
this.swipe = swipe || 'X' //滑动方向参数
this.resize().init().bindEvents() //初始化
}
PageSlide.prototype.init = function(i) {
var current = i ? this.$el.children[i] : this.$el.firstElementChild
if (!current) throw 'ERROR';
//moving类名作为当前滑动页面的标记,也在样式中作滑动的扩展效果
current.classList.add('moving')
current.style.webkitTransform = 'translate3d(0,0,0)'
//以swipe的值预设置其他页面的宽高，获得流畅的交互效果
for(var i = 1; i <this.$el.children.length ; i++){
this['set' + this.swipe](this.$el.children[i], (this.swipe === 'X' ? this.width : this.height))
}
setTimeout(function() {
current.classList.remove('moving')
current.classList.add('play')
}, 3e2)
return this
}
//为页面绑定各种事件的绑定函数
PageSlide.prototype.bindEvents = function() {
var self = this
window.addEventListener('resize orientationchange', this.resize.bind(this), false)
'touchstart touchmove touchend touchcancel'.split(' ').forEach(function(evn) {
//将四个触控函数（申明在后面）绑定到每个页面
self.$el.addEventListener(evn, self[evn].bind(self), false)
})
}
//获得当前触控的页面对象
PageSlide.prototype.getCurrent = function() {
return this.$el.children[this.current]
}
//初始化时获得设备的宽高
PageSlide.prototype.resize = function() {
this.width = this.$el.parentNode.clientWidth
this.height = this.$el.parentNode.clientHeight
return this
}
//到达任意页面的random()方法
PageSlide.prototype.random = function() {
var count = this.$el.children.length
var current = this.current
var arr = []
var num
for (var i = 0; i < count; i++) {
if (i !== current) arr.push(i.toString())
}
num = Math.floor(Math.random() * arr.length)
this.direct(+arr[num])
}
// 四个内建的滑动事件函数,与前面绑定函数相呼应
PageSlide.prototype.touchstart = function(e) {
var touches = e.touches[0]
//触控开始
this.flag = null
this.move = 0
//记录落点
this.pageX = touches.pageX
this.pageY = touches.pageY
}
PageSlide.prototype.touchmove = function(e) {
var touches = e.touches[0]
var X = touches.pageX - this.pageX
var Y = touches.pageY - this.pageY
var current = this.getCurrent()
var next = current.nextElementSibling
var prev = current.previousElementSibling
//添加移动样式
if (!this.flag) {
this.flag = Math.abs(X) > Math.abs(Y) ? 'X' : 'Y'
if (this.flag === this.swipe) {
current.classList.add('moving')
next && next.classList.add('moving')
prev && prev.classList.add('moving')
}
}
if (this.flag === this.swipe) {
e.preventDefault()
e.stopPropagation()
switch (this.swipe) {
case 'X':
//swipe horizontal
this.move = X
this.setX(current, X)
next && (this.setX(next, X + this.width))
prev && (this.setX(prev, X - this.width))
break;
case 'Y':
//swipe vertical
this.move = Y
this.setY(current, Y)
next && (this.setY(next, Y + this.height))
prev && (this.setY(prev, Y - this.height))
break;
}
}
}
PageSlide.prototype.touchend = function(e) {
var minRange = 50
var move = this.move
var current = this.getCurrent()
var next = current.nextElementSibling
var prev = current.previousElementSibling
current.classList.remove('moving')
next && next.classList.remove('moving')
prev && prev.classList.remove('moving')
if (!this.flag) return
e.preventDefault()
//滑动结束前往下一页面,next()方法调用了go()方法
if (move < -minRange && next) return this.next()
if (move > minRange && prev) return this.prev()
this.reset()
}
PageSlide.prototype.touchcancel = function(e) {
var current = this.getCurrent()
var next = current.nextElementSibling
var prev = current.previousElementSibling
current.classList.remove('moving')
next && next.classList.remove('moving')
prev && prev.classList.remove('moving')
this.reset()
}
//动态设定translate3d参数方法
PageSlide.prototype.setX = function(el, x, unit) {
el && (el.style.webkitTransform = 'translate3d(' + x + (unit || 'px') + ',0,0)')
}
PageSlide.prototype.setY = function(el, y, unit) {
el && (el.style.webkitTransform = 'translate3d(0,' + y + (unit || 'px') + ',0)')
}
//设置当前触控页面translate3d参数为0的方法
PageSlide.prototype.setCurrent = function(el, i) {
el && (el.style.webkitTransform = 'translate3d(0,0,0)')
if (i) {
this.current = i
this.$current = this.$el.children[i]
}
}
//调用go()方法前往下一或上一页面
PageSlide.prototype.next = function() {
this.go(this.current + 1)
}
PageSlide.prototype.prev = function() {
this.go(this.current - 1)
}
//重置方法,用于初始化以及当前页面的重置
PageSlide.prototype.reset = function() {
var width = this.width
var height = this.height
var swipe = this.swipe
var current = this.getCurrent()
var prev = current.previousElementSibling
var next = current.nextElementSibling
this.setCurrent(current)
prev && (this['set' + swipe](prev, -(swipe === 'X' ? width : height)))
next && (this['set' + swipe](next, swipe === 'X' ? width : height))
}
//去往下一或上一页面的go方法
PageSlide.prototype.go = function(i) {
var onFinish = this.options.onFinish
var current = this.getCurrent()
var total = this.$el.childElementCount
var target = this.$el.children[i]
var d = i < this.current ? -1 : 1
if (i === this.current || i < 0 || i >= total) return
if (onFinish && (typeof onFinish === 'function')) onFinish.call(this, i)
// 滑动完成调用方法
typeof this.options.tranSetionEnd ==='function' && this.options.tranSetionEnd.call(this)
this.current = i
this['set' + this.swipe](current, -d * (this.swipe === 'X' ? this.width : this.height))
this.setCurrent(target, i)
this.finish(current, target)
}
//滑动完成后删除当前页面.play标记以及为下一页面添加.play标记
PageSlide.prototype.finish = function(curr, target) {
this.flag = null
setTimeout(function() {
curr && curr.classList.remove('play')
target && target.classList.add('play')
}, 3e2)
}
//直达任意页面的方法
//直达某一页面的方法, 因为有个项目的需要
//写了这个方法,要从任意页面开始滑动依然能保持正常的滑动体验
//就需要将直达页面的前面所有页面的translate3d参数都设置为(0,-height,0)
PageSlide.prototype.direct = function(i){
if(i&&typeof(i)==='number')
{
this.go(i)
for(var j = 0; j< i ;j++) {
this['set' + this.swipe](this.$el.children[j], -1 * (this.swipe === 'X' ? this.width : this.height))
}
}
else return
}
// 传参
document.addEventListener('touchmove', function(e) {
e.preventDefault()
})
var pages = new PageSlide(document.querySelector('.pages'), 'Y', {
tranSetionEnd: function() {
console.log(this.current);
}
})
</script>
</html>https://github.com/HelloLeeChan/Exercise-Demo/blob/master/PageSlider/PageSliderDemo.html