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轮播图

时间：2014-08-19 18:37:15      阅读：609      评论：0      收藏：0      [点我收藏+]

html：

<div class="posterwrap">	
	<div id="posterTvGrid86804"></div>
</div>

 css：

.posterTvGrid{position:relative;height:280px;}
.posterTvGrid img{max-width:none;max-height:none;border:0 none;background:#888;}
.posterTvGrid .contentHolder{position:relative;overflow:hidden;}
.posterTvGrid .contentHolderUnit{cursor:pointer;position:absolute;width:500px;height:250px;}
.posterTvGrid .contentHolderUnit a.elementLink{display:block;overflow:hidden;z-index:3;position:absolute;left:0;right:0;width:100%;height:100%;}
.posterTvGrid .contentHolderUnit img{width:100%;height:100%;}
.posterTvGrid .contentHolderUnit .elementTitle{}
.posterTvGrid .contentHolderUnit .elementOverlay{z-index:1;position:absolute;top:0;left:0;background:#000;width:100%;height:100%;opacity:0;filter:opacity=0;}
.posterTvGrid .contentHolderUnit .leftShadow{position:absolute;top:23px;left:-174px;width:174px;height:224px;background:url(/index/img/2013/leftShadow.png) no-repeat;}
.posterTvGrid .contentHolderUnit .rightShadow{position:absolute;top:23px;right:-174px;width:174px;height:224px;background:url(/index/img/2013/rightShadow.png) no-repeat;}
.posterTvGrid .bannerControls{}
.posterTvGrid .leftNav,.posterTvGrid .rightNav{cursor:pointer;z-index:10;position:absolute;top:50%;width:45px;height:45px;margin-top:-43px;}
.posterTvGrid .leftNav{left:7px;background:url("http://res.mfs.ykimg.com/0510000051AD63E96714C04A1400547A") no-repeat;_background:none;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src="/index/img/2013/slide_prev_btn.png");}
.posterTvGrid .rightNav{right:7px;background:url("http://res.mfs.ykimg.com/0510000051AD63F56714C04A1305CFEF") no-repeat;_background:none;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src="/index/img/2013/slide_next_btn.png");}
.posterTvGrid .leftNav:hover{}
.posterTvGrid .rightNav:hover{}
.posterTvGrid .bottomNav{z-index:140;position:absolute;width:100%;height:10px;margin-top:255px;padding:10px 0 0;text-align:center;}
.posterTvGrid .bottomNavButtonOFF{cursor:pointer;overflow:hidden;display:inline-block;*display:inline;*zoom:1;width:10px;height:10px;margin:0 5px;vertical-align:top;-webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px;background:#c3c3c3;}
.posterTvGrid .bottomNavButtonOFF:hover{background:#aaa;}
.posterTvGrid .bottomNavButtonON,
.posterTvGrid .bottomNavButtonON:hover{background:#69aaec;}
.posterTvGrid .bottomNavLeft{}
.posterTvGrid .bottomNavRight{}

 js：

//电视剧大图滚动
(function(jq){
	var posterTvGrid = function(o, options, data){
		this.parent = jq("#"+ o);
		this.body   = jq("body");
		if (this.parent.length <= 0) { 
			return false;
		}
		
		this.options = jq.extend({}, posterTvGrid.options, options);
		if(typeof(data) !== ‘object‘) return false;
		if(typeof this.options.hotcode === ‘undefined‘) this.options.hotcode = false;

		this.data = data || {};
		this.reset();
		//处理页面resize
		var _this = this;
		jq(window).resize(function(){
				_this.reset();
		});
	};
	posterTvGrid.prototype = {
		reset: function(options){
			if(typeof(options) == ‘object‘){
				jq.extend(this.options, options);	
			}
			//if(parseInt(this.body.outerWidth())>1255 || navigator.userAgent.indexOf(‘iPad‘) !== -1){
				this.options.width = 980;	
			//}else{
				//this.options.width = 970;	
			//}
			this.total = this.data.length;
			this.pageNow = this.options.initPage;
			this.preLeft = 0;
			this.nextLeft = this.options.width-530;
			this.preNLeft = -530;
			this.nextNLeft = this.options.width;
			this.pageNowLeft = (this.options.width-500)/2
			this.drawContent();
		},
		drawContent: function(){
			this.parent.empty();
			this.parent.css({width:this.options.width+"px", height:this.options.height+"px", position: "relative"});
			this.content = document.createElement("DIV");
			this.content.className = this.options.className;
			this.content.cssText = "width:"+this.options.width+"px;height:"+this.options.height+"px;cursor:move;position:absolute;";
				this.bottomNav = document.createElement("DIV");
				this.bottomNav.className = "bottomNav";
				for(var i=1; i<= this.total; i++){
					var bottomItem = document.createElement("DIV");
					bottomItem.className = "bottomNavButtonOFF";
					if(i == this.pageNow){
						bottomItem.className = "bottomNavButtonOFF bottomNavButtonON";
					}
					bottomItem.setAttribute("ref", i);
					this.bottomNav.appendChild(bottomItem);
				}
				this.content.appendChild(this.bottomNav);
				this.bannerControls = ‘<div class="bannerControls"> <div class="leftNav" style="display: block;"></div> <div class="rightNav" style="display: block;"></div> </div>‘;
				this.content.innerHTML += this.bannerControls;

			this.contentHolder = document.createElement("DIV");
			this.contentHolder.style.width = this.options.width + ‘px‘;
			this.contentHolder.style.height = this.options.height + ‘px‘;
			
			for(var item=0, i = 1, l= this.data.length ; item < l ; ++item, ++i){
				var datafrom = this.options.hotcode ? ‘data-from="1-‘ + i + ‘"‘ : ‘‘;
				var contentHolderUnit = document.createElement("DIV");
				contentHolderUnit.className = "contentHolderUnit";
				contentHolderUnit.setAttribute("ref", i);
				contentHolderUnit.setAttribute("id", ‘contentHolderUnit‘ + (i));
				var unitItem = ‘<a href="‘+this.data[item].url+‘" target="_blank" class="elementLink" ‘ + datafrom + ‘>‘;
				unitItem += ‘</a>‘;
				unitItem += ‘<img src="‘+this.data[item].img+‘" alt="‘+this.data[item].title+‘"/>‘;
				unitItem += ‘<span class="elementOverlay"></span>‘;
				unitItem += ‘<span class="leftShadow"></span>‘;
				unitItem += ‘<span class="rightShadow"></span>‘;
				contentHolderUnit.innerHTML = unitItem;
				this.contentHolder.appendChild(contentHolderUnit);
			}
			this.content.appendChild(this.contentHolder);
			this.parent.append(this.content);
			this.parent.css({overflow:‘hidden‘});
			this.initContent();
			this.bind();
			this.start();
		},
		initContent: function(){
			contentHolderUnit = this.parent.find(".contentHolderUnit");
			contentHolderUnit.css({width:‘0px‘,height:‘0px‘, opacity: 0, left:this.options.width/2+‘px‘, zIndex:0, marginTop: ‘135px‘});
			this.parent.find(".contentHolderUnit:nth-child("+this.pageNow+")").css({width:‘500px‘,height:‘250px‘, opacity: 1, left: this.pageNowLeft+‘px‘, zIndex: 3, marginTop: 0});
			this.parent.find(".contentHolderUnit:nth-child("+this.pageNow+") .elementOverlay").css({opacity:0});
			this.parent.find(".contentHolderUnit:nth-child("+this.pageNow+") .leftShadow").css({opacity:1});
			this.parent.find(".contentHolderUnit:nth-child("+this.pageNow+") .rightShadow").css({opacity:1});
			
			var pre = this.pageNow > 1 ? this.pageNow -1: this.total;
			var next = this.pageNow == this.total ? 1 : this.pageNow + 1;
			this.parent.find(".contentHolderUnit:nth-child("+pre+")").css({opacity: 1, left: this.preLeft+‘px‘,height: ‘200px‘, width: ‘530px‘, zIndex: 0, marginTop: ‘25px‘});
			this.parent.find(".contentHolderUnit:nth-child("+pre+") .elementOverlay").css({opacity:0.4});
			this.parent.find(".contentHolderUnit:nth-child("+pre+") .leftShadow").css({opacity:0});
			this.parent.find(".contentHolderUnit:nth-child("+pre+") .rightShadow").css({opacity:0});

			this.parent.find(".contentHolderUnit:nth-child("+next+")").css({opacity: 1, left: this.nextLeft+‘px‘,height: ‘200px‘, width: ‘530px‘, zIndex: 0, marginTop: ‘25px‘});
			this.parent.find(".contentHolderUnit:nth-child("+next+") .elementOverlay").css({opacity:0.4});
			this.parent.find(".contentHolderUnit:nth-child("+next+") .leftShadow").css({opacity:0});
			this.parent.find(".contentHolderUnit:nth-child("+next+") .rightShadow").css({opacity:0});
		},
		bind: function(){
			this.leftNav = this.parent.find(".leftNav");
			this.rightNav = this.parent.find(".rightNav");
			this.bottonNav = this.parent.find(".bottomNavButtonOFF");
			this.lists = this.parent.find(".contentHolderUnit");
			var _this = this;
			this.parent.mouseover(function(){
				_this.stop();
				_this.leftNav.show();
				_this.rightNav.show();
			});
			this.parent.mouseout(function(){
				_this.start();
				//_this.leftNav.hide();
				//_this.rightNav.hide();
			});
			
			_this.leftNav.click(function(){
				_this.turn("right");					 
			});
			_this.rightNav.click(function(){
				_this.turn("left");					 
			});
			_this.bottonNav.click(function(){
				var ref = parseInt(this.getAttribute("ref"));
				if(_this.pageNow == ref) return false;

				if(_this.pageNow < ref){
					var rightAbs = ref - _this.pageNow;
					var leftAbs = _this.pageNow + _this.total - ref;
				}else{
					var rightAbs = _this.total - _this.pageNow + ref;
					var leftAbs = _this.pageNow - ref;
				}
				if(leftAbs < rightAbs){
					 dir = "right";	
				}else{
					 dir = "left";	
				}

				_this.turnpage(ref, dir);
				return false;
			});
			
			_this.lists.click(function(e){
				var ref = parseInt(this.getAttribute("ref"));
				if(_this.pageNow == ref) {
					return true;
				}else{
					e.preventDefault();
				}
				if(_this.pageNow < ref){
					var rightAbs = ref - _this.pageNow;
					var leftAbs = _this.pageNow + _this.total - ref;
				}else{
					var rightAbs = _this.total - _this.pageNow + ref;
					var leftAbs = _this.pageNow - ref;
				}
				if(leftAbs < rightAbs){
					 dir = "right";	
				}else{
					 dir = "left";	
				}
				_this.turnpage(ref, dir);	

			});
		},
		initBottomNav: function(){
				this.parent.find(".bottomNavButtonOFF").removeClass("bottomNavButtonON");
				this.parent.find(".bottomNavButtonOFF:nth-child("+this.pageNow+")").addClass("bottomNavButtonON");
		},
		start: function(){
			var _this = this;
			if(_this.timerId) _this.stop();
			_this.timerId = setInterval(function(){
				if(_this.options.direct == "left"){
					_this.turn("left");	
				}else{
					_this.turn("right");	
				}
			}, _this.options.delay);
		},
		stop: function(){
			clearInterval(this.timerId);
		},
		turn: function(dir){
			var _this = this;
			
			if(dir == "right"){
				var page = _this.pageNow -1;
				if(page <= 0) page = _this.total;
			}else{
				var page = _this.pageNow + 1;
				if(page > _this.total) page = 1;
			}
			_this.turnpage(page, dir);
		},
		turnpage: function(page, dir){
			var _this = this;
			if(_this.locked) return false;
			_this.locked = true;
			if(_this.pageNow == page) return false;
			
			var run = function(page, dir, t){
				var pre = page > 1 ? page -1: _this.total;
				var next = page == _this.total ? 1 : page + 1;
				var preP = pre - 1 >= 1 ? pre-1 : _this.total;
				var nextN = next + 1 > _this.total ? 1 : next+1;
				if(pre != _this.pageNow && next != _this.pageNow){
					var nowpre = _this.pageNow > 1 ? _this.pageNow -1: _this.total;
					var nownext = _this.pageNow == _this.total ? 1 : _this.pageNow + 1;
					_this.parent.find(".contentHolderUnit:nth-child("+nowpre+")").animate({width:‘0px‘,height:‘0px‘, opacity: 0, left:_this.options.width/2+‘px‘, zIndex:0, marginTop: ‘135px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+_this.pageNow+")").animate({width:‘0px‘,height:‘0px‘, opacity: 0, left:_this.options.width/2+‘px‘, zIndex:0, marginTop: ‘135px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+nownext+")").animate({width:‘0px‘,height:‘0px‘, opacity: 0, left:_this.options.width/2+‘px‘, zIndex:0, marginTop: ‘135px‘}, t);
				}
				if(dir == ‘left‘){					
					_this.parent.find(".contentHolderUnit:nth-child("+_this.pageNow+")").css({zIndex: 0});
				
					
					_this.parent.find(".contentHolderUnit:nth-child("+pre+") .elementOverlay").css({opacity:0.4});
					_this.parent.find(".contentHolderUnit:nth-child("+pre+")").animate({opacity: 1, left: _this.preLeft+‘px‘, height: ‘200px‘, width: ‘530px‘, zIndex: 2, marginTop: ‘25px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+pre+") .leftShadow").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+pre+") .rightShadow").css({opacity:0});
					
					
					_this.parent.find(".contentHolderUnit:nth-child("+page+")").css({zIndex: 3});
					_this.parent.find(".contentHolderUnit:nth-child("+page+")").animate({opacity: 1, left: _this.pageNowLeft+‘px‘, height: ‘250px‘, width: ‘500px‘, zIndex: 3, marginTop: ‘0‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+page+") .elementOverlay").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+page+") .leftShadow").css({opacity:1});
					_this.parent.find(".contentHolderUnit:nth-child("+page+") .rightShadow").css({opacity:1});
					
					_this.parent.find(".contentHolderUnit:nth-child("+next+")").css({opacity: 0, left: _this.nextNLeft+‘px‘, height: ‘200px‘, width: ‘530px‘, zIndex: 2, marginTop: ‘25px‘});
					_this.parent.find(".contentHolderUnit:nth-child("+next+")").animate({opacity: 1, left: _this.nextLeft+‘px‘, height: ‘200px‘, width:"530px", zIndex: 2, marginTop: ‘25px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+next+") .elementOverlay").css({opacity:0.4});
					_this.parent.find(".contentHolderUnit:nth-child("+next+") .leftShadow").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+next+") .rightShadow").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+preP+")").css({zIndex:0});
					_this.parent.find(".contentHolderUnit:nth-child("+preP+")").animate({width:‘530px‘,height:‘200px‘, opacity: 0, left:_this.preNLeft+‘px‘, zIndex:0, marginTop: ‘25px‘},t, "", function(){_this.locked=false;});
					
					
				}else{
					_this.parent.find(".contentHolderUnit:nth-child("+_this.pageNow+")").css({zIndex: 0});
					
					_this.parent.find(".contentHolderUnit:nth-child("+next+")").css({zIndex:2});
					_this.parent.find(".contentHolderUnit:nth-child("+next+")").animate({opacity: 1, left: _this.nextLeft+‘px‘, height: ‘200px‘, width: ‘530px‘, zIndex: 2, marginTop: ‘25px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+next+") .elementOverlay").css({opacity:0.4});
					_this.parent.find(".contentHolderUnit:nth-child("+next+") .leftShadow").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+next+") .rightShadow").css({opacity:0});
					
					_this.parent.find(".contentHolderUnit:nth-child("+page+")").css({zIndex: 3}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+page+")").animate({opacity: 1, left: _this.pageNowLeft+‘px‘, height: ‘250px‘, width: ‘500px‘, zIndex: 3, marginTop: ‘0px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+page+") .elementOverlay").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+page+") .leftShadow").css({opacity:1});
					_this.parent.find(".contentHolderUnit:nth-child("+page+") .rightShadow").css({opacity:1});
					
					_this.parent.find(".contentHolderUnit:nth-child("+pre+")").css({opacity: 0, left: _this.preNLeft+‘px‘, height: ‘200px‘, width: ‘530px‘, zIndex: 2, marginTop: ‘25px‘});
					_this.parent.find(".contentHolderUnit:nth-child("+pre+")").animate({opacity: 1, left: _this.preLeft+‘px‘, height: ‘200px‘, width: ‘530px‘, zIndex: 2, marginTop: ‘25px‘}, t);
					_this.parent.find(".contentHolderUnit:nth-child("+pre+") .elementOverlay").css({opacity:0.4});
					_this.parent.find(".contentHolderUnit:nth-child("+pre+") .leftShadow").css({opacity:0});
					_this.parent.find(".contentHolderUnit:nth-child("+pre+") .rightShadow").css({opacity:0});
					
					_this.parent.find(".contentHolderUnit:nth-child("+nextN+")").css({zIndex:0});
					_this.parent.find(".contentHolderUnit:nth-child("+nextN+")").animate({width:‘530px‘,height:‘200px‘, opacity: 0, left:_this.nextNLeft+‘px‘, zIndex:0, marginTop: ‘25px‘}, t, "",function(){_this.locked=false;});
				}
			
				_this.pageNow = page;
				_this.initBottomNav();
			};
			
			run(page, dir,_this.options.speed);					
			
		}
		
	};

	posterTvGrid.options = {
		offsetPages : 3,//默认可视最大条数
		direct : "left",//滚动的方向
		initPage : 1,//默认当前显示第几条
		className : "posterTvGrid",//最外层样式
		autoWidth : true,//默认不用设置宽
		width : 980,//最外层宽，需要使用的时候在传,默认由程序自动判断
		height : 280,//最外层高  
		delay : 5000,//滚动间隔（毫秒）
		speed : 500 //滚动速度毫秒
	};
	
	window.posterTvGrid = posterTvGrid;
})(jQuery);

 数据：

<script>

var posterTvGrid86804 = new posterTvGrid(‘posterTvGrid86804‘,{
className: "posterTvGrid",
hotcode: true},
[{"img":"http:\/\/r3.ykimg.com\/0510000053DF02456737B36AA103CAE0","title":"\u53e4\u5251\u5947\u8c2d","url":"http:\/\/v.youku.com\/v_show\/id_XNzU1OTAwOTY4.html"},{"img":"http:\/\/r4.ykimg.com\/0510000053D52D2A6737B30A7808E06E","title":"\u66fc\u54c8\u987f\u8ba1\u5212","url":"http:\/\/v.youku.com\/v_show\/id_XNzU3NDcyMTI0.html"},{"img":"http:\/\/r4.ykimg.com\/0510000053F188366737B3659908EC86","title":"\u4e09\u5251\u5ba2","url":"http:\/\/v.youku.com\/v_show\/id_XNzU3MzUyMDQ0.html"},{"img":"http:\/\/r3.ykimg.com\/0510000053C496EA6737B364DA0D832C","title":"\u5fe0\u5978\u4eba","url":"http:\/\/v.youku.com\/v_show\/id_XNzU3ODcwMDc2.html"},{"img":"http:\/\/r3.ykimg.com\/0510000053D5B58A6737B3527F00127A","title":"\u6ca1\u5173\u7cfb\u662f\u7231\u60c5\u554a","url":"http:\/\/v.youku.com\/v_show\/id_XNzU1OTA1Njg4.html"},{"img":"http:\/\/r3.ykimg.com\/0510000053E97C5A6737B325E2037481","title":"\u8f7d\u5f97\u6709\u60c5\u4eba","url":"http:\/\/v.youku.com\/v_show\/id_XNzU3ODQ3MzU2.html"},{"img":"http:\/\/r3.ykimg.com\/0510000053C4996D6737B33957006612","title":"\u8bf1\u60d1","url":"http:\/\/v.youku.com\/v_show\/id_XNzU3ODgzNTA0.html"},{"img":"http:\/\/r2.ykimg.com\/0510000053D1D84D6737B3787607BB2E","title":"\u7403\u7231\u9152\u5427","url":"http:\/\/v.youku.com\/v_show\/id_XNzU1MTczOTk2.html"},{"img":"http:\/\/r4.ykimg.com\/0510000053E0ADCB6737B32F630164CF","title":"\u7ea6\u4f1a\u4e13\u5bb6","url":"http:\/\/v.youku.com\/v_show\/id_XNzQ4ODM3MzA0.html"}]
);

</script>

 

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原文：http://www.cnblogs.com/xupeiyu/p/3922554.html
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