|
现在手机网页越来越多，我们可以先看下两个地址：“http://3g.ifeng.com/”，“http://3g.163.com/touch/”，我们都会发现有一个共同的特点，就是TAB菜单，对于这种相当传统的特效，我们在之前做过许多，但在手机上，我们会发现它有新的生命力。
如果只是考虑上面的点击，那就是TAB菜单了，只不过这个TAB菜单是全屏切换的，但如果你在手机上体验，会发现，手滑动是可以实现切换，这个手势在手机网页上叫“swipe”，触屏技术也促进了我们前端技术的发展。
细心的朋友，可能会注意到，当你切换的时候，下面的按钮标题也会跟着变，而且URL也会跟着变，这样，你切换后，点击下面的按钮就可以进入到相应的栏目了，网易的策划者，这个地方值得夸奖啊。。。
那么，如何实现呢?
我们需要引进一个脚本，touchslider.js方便我们实现触屏的功能，如果自己写原生的脚本，估计就得一大堆了。。。
我这里，做了一个FOR循环，主要是为了解决ID方面的问题，让用户可以多个使用，为了实现那个标题及URL切换，我引进了 zepto_min.js，这个代码兼容JQUERY的写法，就是小了点，适用于手机上，但好像少了HOVER那个方法啊，也许之所以小，就是因为删掉了一些功能，毕竟，对于原生的JS，我写起来很不习惯啊，抱歉。。。
以下是我制作的效果截图：
index.html代码
| 代码如下 |
复制代码 |
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<title>触屏特效,手机网页</title>
<link href="css/css.css" rel="stylesheet" type="text/css">
<script type="text/javascript" src="js/zepto_min.js"></script>
<script type="text/javascript" src="js/touchslider.js"></script>
</head>
<body>
<div class="box-163css">
<ul id="pagenavi1" class="page">
<li><a href="#" class="active">新闻</a></li>
<li><a href="#">产品</a></li>
<li><a href="#">游戏</a></li>
<li><a href="#">下载</a></li>
</ul>
<div id="slider1" class="swipe">
<ul class="box01_list">
<li class="li_list">
<div class="pic_list"><img src="images/img05.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">曝湖人惊天交易:造跑轰三人组</a></p>
<p><span class="s_arrow"></span><a href="#">金志文圈钱:婚礼被曝卖700万</a></p>
<p><span class="s_arrow"></span><a href="#">[博]习总上任让日本非常恐慌</a></p>
<p><span class="s_arrow"></span><a href="#">10时播热火|书豪遭弃用</a></p>
</div>
</li>
<li class="li_list">
<div class="pic_list"><img src="images/img06.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">日本耗1天半追千里缉捕台渔船</a></p>
<p><span class="s_arrow"></span><a href="#">安徽检察院办大案有功获1等功</a></p>
<p><span class="s_arrow"></span><a href="#">李庄提告重庆专案组徇私枉法</a></p>
<p><span class="s_arrow"></span><a href="#">外交部新任女发言人被赞漂亮</a></p>
</div>
</li>
<li class="li_list">
<div class="pic_list"><img src="images/img07.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">警方:30韩国生在京抢劫系误会</a></p>
<p><span class="s_arrow"></span><a href="#">沪68岁父亲杀39岁"啃老"独子</a></p>
<p><span class="s_arrow"></span><a href="#">三亚免税店自曝大部分是假货</a></p>
<p><span class="s_arrow"></span><a href="#">组图:跟拍情侣间的"私密"生活</a></p>
</div>
</li>
<li class="li_list">
<div class="pic_list"><img src="images/img08.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">评:日"泥鳅"首相变酗酒老宅男</a></p>
<p><span class="s_arrow"></span><a href="#">围观:72岁翁穿女装网店当模特</a></p>
<p><span class="s_arrow"></span><a href="#">[博]习总上任让日本非常恐慌</a></p>
<p><span class="s_arrow"></span><a href="#">外交部新任女发言人被赞漂亮</a></p>
</div>
</li>
</ul>
<ul class="newslist">
<li><span class="s_arrow"></span><a href="#">产品</a></li>
<li><span class="s_arrow"></span><img src="images/img06.jpg"><span><a href="#">产品</a><a href="#">产品</a></span></li>
<li><span class="s_arrow"></span><img src="images/img07.jpg"><span><a href="#">产品</a><a href="#">产品</a></span></li>
<li><span class="s_arrow"></span><img src="images/img08.jpg"><span><a href="#">产品</a><a href="#">产品</a></span></li>
</ul>
</div>
<a href="#" target="_blank" class="go_btn">进入<em class="emtitle">新闻</em></a>
</div>
<div class="box-163css">
<ul id="pagenavi2" class="page">
<li><a href="#" class="active">财经</a></li>
<li><a href="#">股票</a></li>
<li><a href="#">商业</a></li>
<li><a href="#">房产</a></li>
</ul>
<div id="slider2" class="swipe">
<ul class="box01_list">
<li class="li_list">
<div class="pic_list"><img src="images/img05.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">曝湖人惊天交易:造跑轰三人组</a></p>
<p><span class="s_arrow"></span><a href="#">金志文圈钱:婚礼被曝卖700万</a></p>
<p><span class="s_arrow"></span><a href="#">[博]习总上任让日本非常恐慌</a></p>
<p><span class="s_arrow"></span><a href="#">10时播热火|书豪遭弃用</a></p>
</div>
</li>
<li class="li_list">
<div class="pic_list"><img src="images/img06.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">日本耗1天半追千里缉捕台渔船</a></p>
<p><span class="s_arrow"></span><a href="#">安徽检察院办大案有功获1等功</a></p>
<p><span class="s_arrow"></span><a href="#">李庄提告重庆专案组徇私枉法</a></p>
<p><span class="s_arrow"></span><a href="#">外交部新任女发言人被赞漂亮</a></p>
</div>
</li>
<li class="li_list">
<div class="pic_list"><img src="images/img07.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">警方:30韩国生在京抢劫系误会</a></p>
<p><span class="s_arrow"></span><a href="#">沪68岁父亲杀39岁"啃老"独子</a></p>
<p><span class="s_arrow"></span><a href="#">三亚免税店自曝大部分是假货</a></p>
<p><span class="s_arrow"></span><a href="#">组图:跟拍情侣间的"私密"生活</a></p>
</div>
</li>
<li class="li_list">
<div class="pic_list"><img src="images/img08.jpg"><span><a href="#">赵本山那英曾联袂演台剧兄妹</a></span></div>
<div class="news_list">
<p><span class="s_arrow"></span><a href="#">评:日"泥鳅"首相变酗酒老宅男</a></p>
<p><span class="s_arrow"></span><a href="#">围观:72岁翁穿女装网店当模特</a></p>
<p><span class="s_arrow"></span><a href="#">[博]习总上任让日本非常恐慌</a></p>
<p><span class="s_arrow"></span><a href="#">外交部新任女发言人被赞漂亮</a></p>
</div>
</li>
</ul>
<ul class="newslist">
<li><span class="s_arrow"></span><a href="#">产品</a></li>
<li><span class="s_arrow"></span><img src="images/img06.jpg"><span><a href="#">产品</a><a href="#">产品</a></span></li>
<li><span class="s_arrow"></span><img src="images/img07.jpg"><span><a href="#">产品</a><a href="#">产品</a></span></li>
<li><span class="s_arrow"></span><img src="images/img08.jpg"><span><a href="#">产品</a><a href="#">产品</a></span></li>
</ul>
</div>
<a href="#" target="_blank" id="go" class="go_btn">进入<em class="emtitle">财经</em></a></div>
<script type="text/javascript">
for(n=1;n<3;n++){
var page='pagenavi'+n;
var mslide='slider'+n;
var mtitle='emtitle'+n;
arrdiv = 'arrdiv' + n;
var as=document.getElementById(page).getElementsByTagName('a');
var tt=new TouchSlider({id:mslide,'auto':'-1',fx:'ease-out',direction:'left',speed:600,timeout:5000,'before':function(index){
var as=document.getElementById(this.page).getElementsByTagName('a');
as[this.p].className='';
as[index].className='active';
this.p=index;
var txt=as[index].innerText;
$("#"+this.page).parent().find('.emtitle').text(txt);
var txturl=as[index].getAttribute('href');
var turl=txturl.split('#');
$("#"+this.page).parent().find('.go_btn').attr('href',turl[1]);
}});
tt.page = page;
tt.p = 0;
//console.dir(tt); console.dir(tt.__proto__);
for(var i=0;i<as.length;i++){
(function(){
var j=i;
as[j].tt = tt;
as[j].onclick=function(){
this.tt.slide(j);
return false;
}
})();
}
}
</script>
</body>
</html> |
css.css源代码
| 代码如下 |
复制代码 |
html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, del, dfn, em, img, ins, kbd, q, samp, small, strong, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, table, tbody, tfoot, thead, tr, th, td, article, aside, footer, header, nav, section {margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent;} article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {display:block;}
a:hover, a:active { outline:none; }
select, input, textarea, button { font:99% sans-serif; }
input, select { vertical-align:middle; }
ul,ol,li{list-style:none;}
img { border:0; max-width:100%; }
hr{ display:block; height:1px; border:0; border-top:1px solid #ccc; margin:1em 0; padding:0; }
.nocallout {-webkit-touch-callout: none;} /* prevent callout */
table { margin:0; padding:0; clear:left; width:100%; border-collapse:collapse; border-spacing:0; }
table td { vertical-align:top; margin:0; }
html{height:100%;}
body {font:13px/1.4 sans-serif; *font-size: small;word-wrap:break-word;margin:0 auto;-webkit-text-size-adjust: none;color:#3c3c3c;font-family: 'Helvetica Neue', Helvetica, Arial, Verdana, sans-serif; height:100%;}
a{color:#1191C3; text-decoration:none;}
p{margin-bottom:1em;}
/*box-163css*/
.box-163css{ width:100%; position:relative; height:360px;margin-bottom:20px; float:left;}
/*swipe*/
.swipe{ padding-top:20px; width:100%; float:left;overflow: hidden; visibility: visible; position: relative; height:260px;}
.box01_list{position:relative; -webkit-transition: left 600ms ease-out; width:100%; left:0;}
.li_list{width:100%;position:relative; float: left; vertical-align: top;}
/*pic_list*/
.pic_list{padding:0 2%;width:96%; float:left; margin-bottom:15px;}
.pic_list img{ float:left; width:120px;}
.pic_list span{ float:left; padding:10px 0 0 2%; font-size:16px; width:50%;}
/*news_list*/
.news_list{ width:98%; padding:0 1%; float:left;}
.news_list p{ width:100%; float:left; border-bottom:1px solid #ddd; height:30px; line-height:30px;}
.news_list a{ float:left; padding-left:1%; font-size:15px;}
.s_arrow{ display:block; border-top:2px solid #ccc;border-right:2px solid #ccc; -webkit-transform:rotate(45deg); width:6px; height:6px; float:right; margin:6px 10px 0 0;}
/*page*/
.page{ text-align:left; background:#f3f3f3; height:38px; line-height:38px; width:100%;display:-webkit-box;}
.page li{-webkit-box-flex:1; font-size:18px; display:block; color:#000; height:38px; line-height:38px; text-align:center; }
.page li a{ color:#000; display:block; height:38px;}
.page a.active{color:#f00;border-bottom:1px solid #c00;}
.go_btn{margin: 6px auto 12px auto;height: 34px;width: 92%;border: 1px solid #B9B9B9;text-align: center;line-height: 34px;font-size: 16px;
background: -webkit-gradient(linear,0 0,0 100%,from(whiteSmoke),to(#E3E3E3));background: -moz-linear-gradient(top,whiteSmoke,#E3E3E3);
-webkit-border-radius: 3px;border-radius: 3px; display:block; float:left; margin-left:2.5%;}
.go_btn em{ font-style:normal; cursor:pointer;} |
zepto_min.js源代码
| 代码如下 |
复制代码 |
/* Zepto v1.0rc1 - polyfill zepto event detect fx ajax form touch - zeptojs.com/license */
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touchslider.js源代码
| 代码如下 |
复制代码 |
/*
* TouchSlider v1.0.5
* By qiqiboy, http://www.qiqiboy.com, http://weibo.com/qiqiboy, 2012/04/11
*/
(function(window, undefined){
var ADSupportsTouches = ("createTouch" in document) || ('ontouchstart' in window) || 0,
doc=document.documentElement || document.getElementsByTagName('html')[0],
ADSupportsTransition = ("WebkitTransition" in doc.style)
|| ("MsTransition" in doc.style)
|| ("MozTransition" in doc.style)
|| ("OTransition" in doc.style)
|| ("transition" in doc.style)
|| 0,
ADStartEvent = ADSupportsTouches ? "touchstart" : "mousedown",
ADMoveEvent = ADSupportsTouches ? "touchmove" : "mousemove",
ADEndEvent = ADSupportsTouches ? "touchend" : "mouseup",
TouchSlider=function(opt){
this.opt=this.parse_args(opt);
this.container=this.$(this.opt.id);
try{
if(this.container.nodeName.toLowerCase()=='ul'){
this.element=this.container;
this.container=this.element.parentNode;
}else{
this.element=this.container.getElementsByTagName('ul')[0];
}
if(typeof this.element==='undefined')throw new Error('Can't find "ul"');
for(var i=0;i<this.instance.length;i++){
if(this.instance[i]==this.container) throw new Error('An instance is running');
}
this.instance.push(this.container);
this.setup();
}catch(e){
this.status=-1;
this.errorInfo=e.message;
}
}
TouchSlider.prototype={
//默认配置
_default: {
'id': 'slider', //幻灯容器的id
'fx': 'ease-out', //css3动画效果（linear,ease,ease-out,ease-in,ease-in-out），不支持css3浏览器只有ease-out效果
'auto': 0, //是否自动开始，负数表示非自动开始，0,1,2,3....表示自动开始以及从第几个开始
'speed':600, //动画效果持续时间 ms
'timeout':5000,//幻灯间隔时间 ms
'className':'', //每个幻灯所在的li标签的classname,
'direction':'left', //left right up down
'mouseWheel':false,
'before':new Function(),
'after':new Function()
},
instance:[],
//根据id获取节点
$:function(id){
return document.getElementById(id);
},
//根据class、标签获取parent下的节点簇 getElementsByClass
$E:function(classname, tagname, parent){
var result=[],
_array=parent.getElementsByTagName(tagname);
for(var i=0,j=_array.length;i<j;i++){
if((new RegExp("(?:^|s+)"+classname+"(?:s+|$)")).test(_array[i].className)){
result.push(_array[i]);
}
}
return result;
},
isIE:function(){ //不包括IE9+，IE9开始支持W3C绝大部分事件 方法了
return !-[1,];
},
//设置OR获取节点样式
css:(function(){
var styleFilter=function(property){
switch(property){
case 'float' : return ("cssFloat" in document.body.style) ? 'cssFloat' : 'styleFloat';
break;
case 'opacity' : return ("opacity" in document.body.style) ? 'opacity' :
{
get : function(el,style){
var ft=style.filter;
return ft&&ft.indexOf('opacity')>=0&&parseFloat(ft.match(/opacity=([^)]*)/i)[1])/100+''||'1';
},
set : function(el,va){
el.style.filter='alpha(opacity='+va*100+')';
el.style.zoom=1;
}
} ;
break;
default:var arr=property.split('-');
for(var i = 1; i < arr.length; i++)
arr[i] = arr[i].substring(0,1).toUpperCase() + arr[i].substring(1);
property = arr.join('');
return property;
break;
}
},
getStyle=function(el,property){
property=styleFilter(property);
var value = el.style[property];
if (!value) {
var style = document.defaultView && document.defaultView.getComputedStyle && getComputedStyle(el, null) || el.currentStyle || el.style;
if(typeof property=='string'){
value=style[property];
}else value=property.get(el,style);
}
return value == 'auto' ? '' : value;
},
setStyle=function(el,css){
var attr;
for(var key in css){
attr=styleFilter(key);
if(typeof attr=='string'){
el.style[attr]=css[key];
}else{
attr.set(el,css[key]);
}
}
}
return function(el,css){
return typeof css=='string'?getStyle(el,css):setStyle(el,css);
}
})(),
//格式化参数
parse_args: function(r){
var _default={}, toString=Object.prototype.toString;
if(r && toString.call(r)=='[object Object]')
for(var key in this._default){
_default[key]=typeof r[key]==='undefined' ? this._default[key] : toString.call(this._default[key])=='[object Number]' ? parseInt(parseFloat(r[key])*100)/100 : r[key];
}
else _default=this._default;
return _default;
},
//绑定事件
addListener: function(e, n, o, u){
if(e.addEventListener){
e.addEventListener(n, o, u);
return true;
} else if(e.attachEvent){
e.attachEvent('on' + n, o);
return true;
}
return false;
},
//获取鼠标坐标
getMousePoint:function(ev) {
var x = y = 0,
doc = document.documentElement,
body = document.body;
if(!ev) ev=window.event;
if (window.pageYoffset) {
x = window.pageXOffset;
y = window.pageYOffset;
}else{
x = (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
y = (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
}
if(ADSupportsTouches && ev.touches.length){
var evt = ev.touches[0];
x += evt.clientX;
y += evt.clientY;
}else{
x += ev.clientX;
y += ev.clientY;
}
return {'x' : x, 'y' : y};
},
//修正函数作用环境
bind:function(func, obj){
return function(){
return func.apply(obj, arguments);
}
},
preventDefault:function(e){
if(window.event)window.event.returnValue=false;
else e.preventDefault();
},
//初始化
setup: function(){
this.status=0;//状态码，0表示停止状态，1表示运行状态，2表示暂停状态，-1表示出错
this.slides=this.opt.className?this.$E(this.opt.className,'li',this.element):this.element.getElementsByTagName('li');
this.length=this.slides.length; this.opt.timeout=Math.max(this.opt.timeout,this.opt.speed);
this.touching=!!ADSupportsTouches; this.css3transition=!!ADSupportsTransition;
this.index=this.opt.auto<0 || this.opt.auto>=this.length ? 0:this.opt.auto;
if(this.length<2)return;//小于2不需要滚动
switch(this.opt.direction){
case 'up': this.direction='up'; this.vertical=true; break;
case 'down': this.direction='down'; this.vertical=true; break;
case 'right': this.direction='right'; this.vertical=false; break;
default:this.direction='left'; this.vertical=false; break;
}
this.resize(); this.begin();
this.addListener(this.element,ADStartEvent,this.bind(this._start,this),false);
this.addListener(document,ADMoveEvent,this.bind(this._move,this),false);
this.addListener(document,ADEndEvent,this.bind(this._end,this),false);
this.addListener(this.element,'webkitTransitionEnd',this.bind(this._transitionend,this),false);
this.addListener(this.element,'msTransitionEnd',this.bind(this._transitionend,this),false);
this.addListener(this.element,'oTransitionEnd',this.bind(this._transitionend,this),false);
this.addListener(this.element,'transitionend',this.bind(this._transitionend,this),false);
this.addListener(window,'resize',this.bind(function(){
clearTimeout(this.resizeTimer);
this.resizeTimer=setTimeout(this.bind(this.resize,this),100);
},this),false);
this.addListener(this.element,'mousewheel',this.bind(this.mouseScroll,this),false);
this.addListener(this.element,'DOMMouseScroll',this.bind(this.mouseScroll,this),false);
},
resize:function(){
var css;
this.css(this.container,{'overflow':'hidden','visibility':'hidden','listStyle':'none','position':'relative'});
this.width=this.container.clientWidth-parseInt(this.css(this.container,'padding-left'))-parseInt(this.css(this.container,'padding-right'));
this.height=this.container.clientHeight-parseInt(this.css(this.container,'padding-top'))-parseInt(this.css(this.container,'padding-bottom'));
css={'position':'relative','webkitTransitionDuration':'0ms','MozTransitionDuration':'0ms','msTransitionDuration':'0ms','OTransitionDuration':'0ms','transitionDuration':'0ms'}
if(this.vertical){
css['height']=this.height*this.length+'px';
css['top']=-this.height*this.index+'px';
this.css(this.container,{'height':this.height+'px'});
}else{
css['width']=this.width*this.length+'px';
css['left']=-this.width*this.index+'px';
}
this.css(this.element,css);
for(var i=0;i<this.length;i++){
this.css(this.slides[i],{'width':this.width+'px',height:this.height+'px','display':this.vertical?'table-row':'table-cell',padding:0,margin:0,float:'left',verticalAlign:'top'});
}
this.css(this.container,{'visibility':'visible'});
},
slide:function(index, speed){
var direction=this.vertical?'top':'left', size=this.vertical?'height':'width';
index=index<0?this.length-1:index>=this.length?0:index;
speed=typeof speed == 'undefined' ? this.opt.speed : parseInt(speed);
var el=this.element, timer=null,
style=el.style,
_this=this,
t=0, //动画开始时间
b=parseInt(style[direction]) || 0, //初始量
c=-index*this[size]-b, //变化量
d=Math.abs(c)<this[size]?Math.ceil(Math.abs(c)/this[size]*speed/10):speed/10,//动画持续时间
ani=function(t,b,c,d){ //缓动效果计算公式
return -c * ((t=t/d-1)*t*t*t - 1) + b;
},
run=function(){
if(t<d && !ADSupportsTransition){
t++;
style[direction]=Math.ceil(ani(t,b,c,d))+'px';
timer=setTimeout(run, 10);
}else{
style[direction]=-_this[size]*index+'px';
_this.index=index;
if(!ADSupportsTransition)_this._transitionend();
_this.pause();_this.begin();
}
}
style.WebkitTransition=style.MozTransition=style.msTransition=style.OTransition=style.transition = direction+' '+(d*10)+'ms '+this.opt.fx;
this.opt.before.call(this, index, this.slides[this.index]); run();
},
begin:function(){
if(this.timer || this.opt.auto<0)return true;
this.timer=setTimeout(this.bind(function(){
this.direction=='left'||this.direction=='up' ? this.next() : this.prev();
},this), this.opt.timeout);
this.status=1;
},
pause:function(){
clearInterval(this.timer);
this.timer=null;
this.status=2;
},
stop:function(){
this.pause();
this.index=0;
this.slide(0);
this.status=0;
},
prev:function(offset){
offset=typeof offset == 'undefined'?offset=1:offset%this.length;
var index=offset>this.index?this.length+this.index-offset:this.index-offset;
this.slide(index);
},
next:function(offset){
if(typeof offset == 'undefined') offset=1;
this.slide((this.index+offset)%this.length);
},
_start:function(e){
if(!this.touching)this.preventDefault(e);
this.element.onclick=null
this.startPos=this.getMousePoint(e);
var style=this.element.style;
style.webkitTransitionDuration = style.MozTransitionDuration = style.msTransitionDuration = style.OTransitionDuration = style.transitionDuration = '0ms';
this.scrolling=1;//滚动屏幕
this.startTime=new Date();
},
_move:function(e){
if(!this.scrolling || e.touches && e.touches.length>1 || e.scale && e.scale !== 1) return;
var direction=this.vertical?'top':'left', size=this.vertical?'height':'width', xy=this.vertical?'y':'x', yx=this.vertical?'x':'y';
this.endPos=this.getMousePoint(e);
var offx=this.endPos[xy]-this.startPos[xy];
if(this.scrolling===2 || Math.abs(offx)>=Math.abs(this.endPos[yx]-this.startPos[yx])){
this.preventDefault(e);
this.pause(); //暂停幻灯
offx=offx/((!this.index&&offx>0 || this.index==this.length-1&&offx<0) ? (Math.abs(offx)/this[size]+1) : 1);
this.element.style[direction]=-this.index*this[size]+offx+'px';
if(offx!=0)this.scrolling=2;//标记拖动（有效触摸）2
}else this.scrolling=0;//设置为摒弃标记0
},
_end:function(e){
if(typeof this.scrolling != 'undefined'){
try{
var xy=this.vertical?'y':'x', size=this.vertical?'height':'width', offx=this.endPos[xy]-this.startPos[xy];
if(this.scrolling===2)this.element.onclick=new Function('return false;');
}catch(err){
offx=0;
}
if((new Date()-this.startTime<250 && Math.abs(offx)>this[size]*0.1 || Math.abs(offx)>this[size]/2) && ((offx<0 && this.index+1<this.length) || (offx>0 && this.index>0))){
offx>0?this.prev():this.next();
}else{
this.slide(this.index);
}
delete this.scrolling;//删掉标记
delete this.startPos;
delete this.endPos;
delete this.startTime;
if(this.opt.auto>=0)this.begin();
}
},
mouseScroll:function(e){
if(this.opt.mouseWheel){
this.preventDefault(e);
e=e||window.event;
var wheelDelta=e.wheelDelta || e.detail && e.detail*-1 || 0,
flag=wheelDelta/Math.abs(wheelDelta);//这里flag指鼠标滚轮的方向，1表示向上，-1向下
wheelDelta>0?this.next():this.prev();
}
},
_transitionend:function(e){
this.opt.after.call(this, this.index, this.slides[this.index]);
}
}
window.TouchSlider=TouchSlider;
})(window, undefined); |
|
