JavaScript+CSS无限极分类效果完整实现方法

本文实例讲述了JavaScript+CSS无限极分类效果完整实现方法。分享给大家供大家参考,具体如下:

CSS样式:

a {text-decoration:none;}
a,a:visited {color:#000;background:inherit;}
body {margin:0;padding:20px;font:12px tahoma,宋体,sans-serif;}
dt {font-size:22px;font-weight:bold;margin:0 0 0 15px;}
dd {margin:0 0 0 15px;}
h4 {margin:0;padding:0;font-size:18px;text-align:center;}
p {margin:0;padding:0 0 0 18px;}
p a,p a:visited {color:#00f;background:inherit;}
/*CNLTreeMenu Start*/
.CNLTreeMenu img.s {cursor:pointer;vertical-align:middle;}
.CNLTreeMenu ul {padding:0;}
.CNLTreeMenu li {list-style:none;padding:0;}
.Closed ul {display:none;}
.Child img.s {background:none;cursor:default;}
#CNLTreeMenu1 ul {margin:0 0 0 17px;}
#CNLTreeMenu1 img.s {width:20px;height:15px;}
#CNLTreeMenu1 .Opened img.s {background:url(skin1/opened.gif) no-repeat 0 0;}
#CNLTreeMenu1 .Closed img.s {background:url(skin1/closed.gif) no-repeat 0 0;}
#CNLTreeMenu1 .Child img.s {background:url(skin1/child.gif) no-repeat 3px 5px;}
#CNLTreeMenu2 ul {margin:0 0 0 17px;}
#CNLTreeMenu2 img.s {width:17px;height:15px;}
#CNLTreeMenu2 .Opened img.s {background:url(skin2/opened.gif) no-repeat 4px 6px;}
#CNLTreeMenu2 .Closed img.s {background:url(skin2/closed.gif) no-repeat 3px 6px;}
#CNLTreeMenu2 .Child img.s {background:url(skin2/child.gif) no-repeat 3px 5px;}
#CNLTreeMenu3 ul {margin:0 0 0 17px;}
#CNLTreeMenu3 img.s {width:34px;height:18px;}
#CNLTreeMenu3 .Opened img.s {background:url(skin3/opened.gif) no-repeat 0 1px;}
#CNLTreeMenu3 .Closed img.s {background:url(skin3/closed.gif) no-repeat 0 1px;}
#CNLTreeMenu3 .Child img.s {background:url(skin3/child.gif) no-repeat 13px 2px;}
/*CNLTreeMenu End*/
/*Temp CSS for View Demo*/
#CNLTreeMenu1,#CNLTreeMenu2,#CNLTreeMenu3 {float:left;width:249px;border:1px solid #99BEEF;background:#D2E4FC;color:inherit;margin:3px;padding:3px;}
#CNLTreeMenu1,#CNLTreeMenu2 {padding-bottom:15px;}
.ViewCode {
 clear:both;
 border:1px solid #FFB900;background:#FFFFCC;color:inherit;margin:3px;padding:3px;
}
.ViewCode h6 {color:#00f;}

JavaScript代码:

function Ob(o){
 var o=document.getElementById(o)?document.getElementById(o):o;
 return o;
}
function Hd(o) {
 Ob(o).style.display="none";
}
function Sw(o) {
 Ob(o).style.display="";
}
function ExCls(o,a,b,n){
 var o=Ob(o);
 for(i=0;i";
 this.ImgBlankB ="";
 for (i=0;i 
 

HTML页面:

希望本文所述对大家JavaScript程序设计有所帮助。

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