使用Jquery实现滚动展示
效果展示http://dl.iteye.com/upload/attachment/0069/3495/d625a7d3-585d-36bf-8407-f602a256eb9a.png
用户可以通过单击左上角的左右箭头,来实现控制图片展示的左右滚动。如:当单击右箭头时，下面的展示图片会向左滚动隐藏，同时新的图片展示会以滚动方式显示出来。下面看下代码。
HTML代码:
<div class="v_show"><div class="v_caption"> <!--头部标题,按钮等--> <h2 class="cartoon" title="猫咪">猫咪</h2> <div class="highlight_tip"> <span class="current">1</span><span>2</span><span>3</span><span>4</span> </div> <div class="change_btn"> <span class="prev">上一页</span> <span class="next">下一页</span> </div> <em><a href="#">更多</a></em> </div> <div class="v_content"> <!--图片内容展示区域--> <div class="v_content_list"> <ul> <li><a href="images/cat1.jpg"><img src="images/cat1.jpg" width="150" height="120" /></a><h4><a href="images/cat1.jpg">猫咪1</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat2.jpg"><img src="images/cat2.jpg" width="150" height="120" /></a><h4><a href="images/cat2.jpg">猫咪2</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat3.jpg"><img src="images/cat3.jpg" width="150" height="120" /></a><h4><a href="images/cat3.jpg">猫咪3</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat4.jpg"><img src="images/cat4.jpg" width="150" height="120" /></a><h4><a href="images/cat4.jpg">猫咪4</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat5.jpg"><img src="images/cat5.jpg" width="150" height="120" /></a><h4><a href="images/cat5.jpg">猫咪5</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat6.jpg"><img src="images/cat6.jpg" width="150" height="120" /></a><h4><a href="images/cat6.jpg">猫咪6</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat7.jpg"><img src="images/cat7.jpg" width="150" height="120" /></a><h4><a href="images/cat7.jpg">猫咪7</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat8.jpg"><img src="images/cat8.jpg" width="150" height="120" /></a><h4><a href="images/cat8.jpg">猫咪8</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat9.jpg"><img src="images/cat9.jpg" width="150" height="120" /></a><h4><a href="images/cat9.jpg">猫咪9</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat10.jpg"><img src="images/cat10.jpg" width="150" height="120" /></a><h4><a href="images/cat10.jpg">猫咪10</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat11.jpg"><img src="images/cat11.jpg" width="150" height="120" /></a><h4><a href="images/cat11.jpg">猫咪11</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat12.jpg"><img src="images/cat12.jpg" width="150" height="120" /></a><h4><a href="images/cat12.jpg">猫咪12</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat13.jpg"><img src="images/cat13.jpg" width="150" height="120" /></a><h4><a href="images/cat13.jpg">猫咪13</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat14.jpg"><img src="images/cat14.jpg" width="150" height="120" /></a><h4><a href="images/cat14.jpg">猫咪14</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat15.jpg"><img src="images/cat15.jpg" width="150" height="120" /></a><h4><a href="images/cat15.jpg">猫咪15</a></h4><span>查看:<em>12,321</em></span></li> <li><a href="images/cat16.jpg"><img src="images/cat16.jpg" width="150" height="120" /></a><h4><a href="images/cat16.jpg">猫咪16</a></h4><span>查看:<em>12,321</em></span></li> </ul> </div> </div></div>
javascript代码:
$().ready(function(){var page = 1;var i = 4;//每个版面4张图片$("span.next").click(function(){//绑定单击事件var $parent = $(this).parents("div.v_show");//根据当前单击的元素获取到父元素var $v_show = $parent.find("div.v_content_list");//找到"图片内容展示区域"var $v_content = $parent.find("div.v_content");//找到"图片内容展示区域"外围的divvar v_width = $v_content.width();//获取区域内容的宽度、带单位var len = $v_show.find("li").length;//图片总数var page_count = Math.ceil(len/i);//只要不是整数,就往大的方向取最小整数if( !$v_show.is(":animated") ){ //判断图片内容展示区域"是否正在处于动画if(page == page_count){$v_show.animate({left:'0px'},1);//通过改变left值,跳转到第一版面page = 1;}else{$v_show.animate({left:'-='+v_width},"slow");//改变left值,达到每次换一个版面page++;}$parent.find("span").eq((page-1)).addClass("current").siblings().removeClass("current");//给指定span元素添加current样式,然后去掉span元素的同辈元素上的current样式}});$("span.prev").click(function(){//绑定单击事件var $parent = $(this).parents("div.v_show");//根据当前单击的元素获取到父元素var $v_show = $parent.find("div.v_content_list");//找到"图片内容展示区域"var $v_content = $parent.find("div.v_content");//找到"图片内容展示区域"外围的divvar v_width = $v_content.width();//获取区域内容的宽度、带单位var len = $v_show.find("li").length;//图片总数var page_count = Math.ceil(len/i);//只要不是整数,就往大的方向取最小整数if( !$v_show.is(":animated") ){ //判断图片内容展示区域"是否正在处于动画if(page == 1){$v_show.animate({left:'-='+v_width*(page_count-1)},1);//通过改变left值,跳转到第一版面page = page_count;}else{$v_show.animate({left:'+='+v_width},"slow");//改变left值,达到每次换一个版面page--;}$parent.find("span").eq((page-1)).addClass("current").siblings().removeClass("current");//给指定span元素添加current样式,然后去掉span元素的同辈元素上的current样式}});});
css样式:
.v_show { width:595px; margin:50px 0 0px 60px;}.v_caption { height:50px; overflow:hidden; background:url(images/btn_cartoon.gif) no-repeat 0px 18px; }.v_caption h2 { float:left; width:60px; height:30px; margin-left:10px; padding:2px 0 0 10px; }.v_caption .variety { background-position:-100px -100px; }.highlight_tip { display:inline; float:left; margin:32px 0 0 10px; }.highlight_tip span { display:inline; float:left; width:7px; height:7px; overflow:hidden; margin:0 2px; background:url(images/btn_cartoon.gif) no-repeat 0 -320px; text-indent:-9999px; }.highlight_tip .current { background-position:0 -220px; }.change_btn { float:left; margin:24px 0 0 10px; }.change_btn span { display:block; float:left; width:30px; height:23px; overflow:hidden; background:url(images/btn_cartoon.gif) no-repeat; text-indent:-9999px; cursor:pointer; }.change_btn .prev { background-position:0 -400px;}.change_btn .next { width:31px; background-position:-30px -400px; }.v_caption em { display:inline; float:right; margin:25px 12px 0 0; font-family:simsun; }.v_content { position:relative; width:592px; height:200px; overflow:hidden; border-right:1px solid #E7E7E7; border-bottom:1px solid #E7E7E7; border-left:1px solid #E7E7E7;}.v_content_list { position:absolute; width:2500px;top:0px; left:0px; }.v_content ul {float:left; padding:0;}.v_content ul li { display:inline; float:left; margin:5px; padding:5px; }.v_content ul li a { display:block; width:128px; height:80px; overflow:hidden; }.v_content ul li images {width:128px; height:96px; }.v_content ul li h4 { width:128px; height:18px; overflow:hidden; margin-top:12px; font-weight:normal; }.v_content ul li h4 a { display:inline !important; height:auto !important; }.v_content ul li span { color:#666; }.v_content ul li em { color:#888; font-family:Verdana; font-size:0.9em; }
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