Js相册横向滚动效果

Js相册横向滚动效果

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

  1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2<html xmlns="http://www.w3.org/1999/xhtml">
  3<head>
  4<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
  5<meta name="Author" content="懒人图库" />
  6<title>横向的JS相册效果</title>
  7<style>
  8body {}{background:#000;margin:0;font:12px Verdana;text-align:center;}
  9#tbody {}{width:650px;margin:20px auto;text-align:left;}
10#mainbody {}{width:640px;margin:5px;border:1px solid #222;padding:1px}
11#mainphoto {}{cursor:pointer;display:block;}
12#goleft {}{float:left;clear:left;margin:6px 5px 0 3px;}
13#goright {}{float:right;clear:right;margin:6px 3px 0 5px;}
14#photos {}{width:610px;height:54px;line-height:54px;border:1px solid #222;margin:10px 0;overflow:hidden;}
15#showArea img {}{display:block;float:left;margin:1px 0;cursor:pointer;border:1px solid #222}
16.txt_1 {}{font:bold 24px Verdana, Tahoma;color:#fff;}
17</style>
18</head>
19<body>
20<div id="tbody"><span class="txt_1">横向的JS相册效果</span>
21    <div id="mainbody">
22      <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" />
23    </div>
24    <img src="http://download.makewing.com/lanren/code/jsphotobook/images/goleft.gif" width="11" height="56" id="goleft" />
25    <img src="http://download.makewing.com/lanren/code/jsphotobook/images/goright.gif" width="11" height="56" id="goright" />
26    <div id="photos">
27      <div id="showArea">
28        
33        <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" />
34        <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" />
35        <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" />
36        <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" />
37        <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" />
38        <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" />
39        <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" />
40        <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" />
41        <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" />
42        <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" />
43        <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" />
44        <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" />
45        <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" />
46        <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" />
47        <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" />
48      </div>
49    </div>
50</div>
51</body>
52</html>
53<script language="javascript" type="text/javascript">
54var browse = window.navigator.appName.toLowerCase();
55var MyMar;
56var speed = 1; //速度，越大越慢
57var spec = 1; //每次滚动的间距, 越大滚动越快
58var minOpa = 50; //滤镜最小值
59var maxOpa = 100; //滤镜最大值
60var spa = 2; //缩略图区域补充数值
61var w = 0;
62spec = (browse.indexOf("microsoft") > -1) ? spec : ((browse.indexOf("opera") > -1) ? spec*10 : spec*20);
63function $(e) {return document.getElementById(e);}
64function goleft() {$('photos').scrollLeft -= spec;}
65function goright() {$('photos').scrollLeft += spec;}
66function setOpacity(e, n) {
67    if (browse.indexOf("microsoft") > -1) e.style.filter = 'alpha(opacity=' + n + ')';
68    else e.style.opacity = n/100;
69}
70$('goleft').style.cursor = 'pointer';
71$('goright').style.cursor = 'pointer';
72$('mainphoto').onmouseover = function() {setOpacity(this, maxOpa);}
73$('mainphoto').onmouseout = function() {setOpacity(this, minOpa);}
74$('mainphoto').onclick = function() {location = this.getAttribute('name');}
75$('goleft').onmouseover = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goleft2.gif'; MyMar=setInterval(goleft, speed);}
76$('goleft').onmouseout = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goleft.gif'; clearInterval(MyMar);}
77$('goright').onmouseover = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goright2.gif'; MyMar=setInterval(goright,speed);}
78$('goright').onmouseout = function() {this.src = 'http://download.makewing.com/lanren/code/jsphotobook/images/goright.gif'; clearInterval(MyMar);}
79window.onload = function() {
80    setOpacity($('mainphoto'), minOpa);
81    var rHtml = '';
82    var p = $('showArea').getElementsByTagName('img');
83    for (var i=0; i<p.length; i++) {
84        w += parseInt(p[i].getAttribute('width')) + spa;
85        setOpacity(p[i], minOpa);
86        p[i].onclick = function() {location = this.getAttribute('name');}
87        p[i].onmouseover = function() {
88            setOpacity(this, maxOpa);
89            $('mainphoto').src = this.getAttribute('rel');
90            $('mainphoto').setAttribute('name', this.getAttribute('name'));
91            setOpacity($('mainphoto'), maxOpa);
92        }
93        p[i].onmouseout = function() {
94            setOpacity(this, minOpa);
95            setOpacity($('mainphoto'), minOpa);
96        }
97        rHtml += '<img src="' + p[i].getAttribute('rel') + '" width="0" height="0" alt="" />';
98    }
99    $('showArea').style.width = parseInt(w) + 'px';
100    var rLoad = document.createElement("div");
101    $('photos').appendChild(rLoad);
102    rLoad.style.width = "1px";
103    rLoad.style.height = "1px";
104    rLoad.style.overflow = "hidden";
105    rLoad.innerHTML = rHtml;
106}
107</script>
实际用的时候有点区别

人的一生应该这样度过：当他回首往事的时候，不会因为虚度年华而悔恨，也不会因为碌碌无为而羞愧。
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原文地址：https://www.cnblogs.com/htht66/p/1157216.html