Js相册横向滚动效果

来源：http://www.lanrentuku.com/lanren/code/20071129/code195932.shtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>横向的JS相册效果</title>
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<style>
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body {background:#000;margin:0;font:12px Verdana;text-align:center;}
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#tbody {width:650px;margin:20px auto;text-align:left;}
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#mainbody {width:640px;margin:5px;border:1px solid #222;padding:1px}
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#mainphoto {cursor:pointer;display:block;}
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#goleft {float:left;clear:left;margin:6px 5px 0 3px;}
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#goright {float:right;clear:right;margin:6px 3px 0 5px;}
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#photos {width:610px;height:54px;line-height:54px;border:1px solid #222;margin:10px 0;overflow:hidden;}
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#showArea img {display:block;float:left;margin:1px 0;cursor:pointer;border:1px solid #222}
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.txt_1 {font:bold 24px Verdana, Tahoma;color:#fff;}
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</style>
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</head>
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<body>
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<div id="tbody"><span class="txt_1">横向的JS相册效果</span>
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<div id="mainbody">
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<img src="http://download.makewing.com/lanren/code/jsphotobook/images/01.jpg" alt="懒人图库" width="640" height="400" id="mainphoto" rel="http://download.makewing.com/lanren/code/jsphotobook/images/01.jpg" name="http://www.makewing.com" />
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</div>
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<img src="http://download.makewing.com/lanren/code/jsphotobook/images/goleft.gif" width="11" height="56" id="goleft" />
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<img src="http://download.makewing.com/lanren/code/jsphotobook/images/goright.gif" width="11" height="56" id="goright" />
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<div id="photos">
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<div id="showArea">
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<!--
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SRC: 缩略图地址
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REL: 大图地址
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NAME: 网址
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-->
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<img src="http://download.makewing.com/lanren/code/jsphotobook/images/01.jpg" alt="懒人图库" width="80" height="50" rel="http://download.makewing.com/lanren/code/jsphotobook/images/01.jpg" name="http://www.makewing.com" />
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<img src="http://download.makewing.com/lanren/code/jsphotobook/images/02.jpg" alt="懒人图库" width="80" height="50" rel="http://download.makewing.com/lanren/code/jsphotobook/images/02.jpg" name="http://www.makewing.com" />
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</div>
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</div>
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</div>
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</body>
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</html>
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var browse = window.navigator.appName.toLowerCase();
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var MyMar;
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var speed = 1; //速度，越大越慢
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var spec = 1; //每次滚动的间距, 越大滚动越快
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var minOpa = 50; //滤镜最小值
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var maxOpa = 100; //滤镜最大值
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var spa = 2; //缩略图区域补充数值
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var w = 0;
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spec = (browse.indexOf("microsoft") > -1) ? spec : ((browse.indexOf("opera") > -1) ? spec*10 : spec*20);
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function $(e) {return document.getElementById(e);}
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function goleft() {$('photos').scrollLeft -= spec;}
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function goright() {$('photos').scrollLeft += spec;}
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function setOpacity(e, n) {
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if (browse.indexOf("microsoft") > -1) e.style.filter = 'alpha(opacity=' + n + ')';
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else e.style.opacity = n/100;
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}
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$('goleft').style.cursor = 'pointer';
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$('goright').style.cursor = 'pointer';
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$('mainphoto').onmouseover = function() {setOpacity(this, maxOpa);}
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$('mainphoto').onmouseout = function() {setOpacity(this, minOpa);}
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$('mainphoto').onclick = function() {location = this.getAttribute('name');}
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$('goleft').onmouseover = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goleft2.gif'; MyMar=setInterval(goleft, speed);}
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$('goleft').onmouseout = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goleft.gif'; clearInterval(MyMar);}
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$('goright').onmouseover = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goright2.gif'; MyMar=setInterval(goright,speed);}
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$('goright').onmouseout = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goright.gif'; clearInterval(MyMar);}
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window.onload = function() {
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setOpacity($('mainphoto'), minOpa);
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var rHtml = '';
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var p = $('showArea').getElementsByTagName('img');
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for (var i=0; i<p.length; i++) {
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w += parseInt(p[i].getAttribute('width')) + spa;
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setOpacity(p[i], minOpa);
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p[i].onclick = function() {location = this.getAttribute('name');}
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p[i].onmouseover = function() {
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setOpacity(this, maxOpa);
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$('mainphoto').src = this.getAttribute('rel');
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$('mainphoto').setAttribute('name', this.getAttribute('name'));
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setOpacity($('mainphoto'), maxOpa);
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}
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p[i].onmouseout = function() {
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setOpacity(this, minOpa);
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setOpacity($('mainphoto'), minOpa);
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}
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rHtml += '<img src="' + p[i].getAttribute('rel') + '" width="0" height="0" alt="" />';
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}
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$('showArea').style.width = parseInt(w) + 'px';
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var rLoad = document.createElement("div");
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$('photos').appendChild(rLoad);
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rLoad.style.width = "1px";
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rLoad.style.height = "1px";
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rLoad.style.overflow = "hidden";
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rLoad.innerHTML = rHtml;
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}
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</script>

实际用的时候有点区别

posted @ 2008-04-17 01:04 yellowwood 阅读(2405) 评论(0) 编辑收藏举报

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Js相册横向滚动效果

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