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如何通过JS+CSS实现经典的左侧竖向滑动菜单效果?

2016-06-03 10:51:30 来源:www.45fan.com 【

如何通过JS+CSS实现经典的左侧竖向滑动菜单效果?

本文实例讲述了JS+CSS实现经典的左侧竖向滑动菜单效果。分享给大家供大家参考。具体如下:

这是一款经过改造的左侧竖向滑动菜单,基于JavaScript+CSS,没有过多的修饰,主要想实现菜单的动画效果,想用的朋友,自己美化吧。

运行效果截图如下:

如何通过JS+CSS实现经典的左侧竖向滑动菜单效果?

在线演示地址如下:

http://demo.jb51.net/js/2015/js-css-jd-left-v-hd-menu-style-codes/

具体代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<title>经过改造的左侧竖向滑动菜单</title>
<style type="text/css">
body{
 margin:10px;
 padding:10px;
}
a:link { text-decoration: none;color: blue} 
a:active { text-decoration:blink} 
a:hover { text-decoration:underline;color: red} 
a:visited { text-decoration: none;color: green} 
body,td,div,span,li{
 font-size:12px;
}
.title01,.title02{
 color:#00b;
 font-weight:bold;
}
#DoorP{
 width:200px;
 height:300px;
 padding:0px;
 background:#FFFCF2;
}
.title01{
 width:100%;
 height:25px;
 background:#FFFCF2;
 cursor:pointer;
}
.title02{
 width:100%;
 height:25px;
 background:#FFFCF2;
 cursor:pointer;
}
.content{
 background:#FFFCF2;
 border-bottom:2px solid #fff;
 overflow:hidden;
 color:#666;
 padding-left:4px;
 padding-right:4px;
 line-height:18px;
}
.curved { 
 width:202px; 
 } 
.curved .b1, .curved .b2, .curved .b3, .curved .b4 { 
 font-size:1px; 
 display:block; 
 background:#FFFCF2; 
overflow: hidden; 
} 
.curved .b1, .curved .b2, .curved .b3 { 
 height:1px; 
 } 
.curved .b2, .curved .b3, .curved .b4 { 
 background:#FFFCF2; 
 border-left:1px solid #C7BC98; 
 border-right:1px solid #C7BC98; 
 } 
.curved .b1 { 
 margin:0 4px; 
 background:#C7BC98; 
 } 
.curved .b2 { 
 margin:0 2px; 
 border-width:0 2px; 
 } 
.curved .b3 { 
 margin:0 1px; 
 } 
.curved .b4 { 
 height:2px; 
 margin:0; 
 } 
.curved .c1 { 
 margin:0 5px; 
 background:#C7BC98; 
 } 
.curved .c2 { 
 margin:0 3px; 
 border-width:0 2px; 
 } 
.curved .c3 { 
 margin:0 2px; 
 } 
.curved .c4 { 
 height:2px; 
 margin: 0 1px; 
 } 
.curved .boxcontent { 
 display:block; 
 background:transparent; 
 border-left:1px solid #C7BC98; 
 border-right:1px solid #C7BC98; 
 font-size:0.9em; 
 text-align:justify; 
 } 
</style>
<div class="curved"> 
 <b class="b1 c1"></b> 
 <b class="b2 c2"></b> 
 <b class="b3 c3"></b> 
 <b class="b4 c4"></b> 
 <div class="boxcontent"> 
<div id="DoorP">
 <table>
 <tr>
 <td align="center">
  第一层信息
 </td>
 </tr>
 </table>
 <div class="content" align="center">
 <a href="#">二层</a><br/>
 二层<br/>
 二层<br/>
 </div>
 <b class="b1"></b> 
 <b class="b2"></b> 
 <b class="b3"></b> 
 <b class="b4"></b> 
 <table>
 <tr>
 <td align="center">
 第二层信息
 </td>
 </tr>
 </table>
<div class="content" align="center">
 <a href="#">二层</a><br/>
 二层<br/>
 二层<br/>
 </div>
 <b class="b1"></b> 
 <b class="b2"></b> 
 <b class="b3"></b> 
 <b class="b4"></b> 
 <table>
 <tr>
 <td align="center">
 第三层信息
 </td>
 </tr>
 </table>
<div class="content" align="center">
 <a href="#">二层</a><br/>
 二层<br/>
 二层<br/>
 </div>
</div></div> 
 <b class="b4 c4"></b> 
 <b class="b3 c3"></b> 
 <b class="b2 c2"></b> 
 <b class="b1 c1"></b> 
<script type="text/javascript">
 var open = 2;
 var openState = new Array();
 var closeState = new Array();
 var dH = 220;
 function $(id){
 if(document.getElementById(id))
 {
 return document.getElementById(id);
 }
 else
 {
 alert("没有找到!");
 }
 }
 function $tag(id,tagName){
 return $(id).getElementsByTagName(tagName)
 }
 function closeMe(Cid,Oid){ 
 var h = parseInt(Ds[Cid].style.height);
 //alert(h);
 if(h > 2)
 {
 h = h - Math.ceil(h/3); 
 Ds[Cid].style.height = h+"px";
 }
 else
 { 
 openMe(Oid);
 clearTimeout(closeState[Cid]);
 return false;
 }
 closeState[Cid] = setTimeout("closeMe("+Cid+","+Oid+")");
 }
 function openMe(Oid){
 var h = parseInt(Ds[Oid].style.height); 
 //alert(h);
 if(h < dH)
 {
 h = h + Math.ceil((dH-h)/3); 
 Ds[Oid].style.height = h+"px";
 }
 else
 { 
 clearTimeout(openState[Oid]); 
 return false;
 }
 openState[Oid] = setTimeout("openMe("+Oid+")");
 }
 var Ds = $tag("DoorP","div");
 var Ts = $tag("DoorP","table");
 if(Ds.length != Ts.length)
 {
 alert("标题和内容数目不相同!");
 }
 for(var i = 0 ; i < Ds.length ; i++)
 { 
 if(i==open)
 {
 Ds[i].style.height = dH+"px";
 Ts[i].className="title01";
 }
 else
 {
 Ds[i].style.height = "0px";
 Ts[i].className="title02";
 }
 Ts[i].value = i;
 Ts[i].onclick = function(){
 if(open==this.value)
 {
 return false;
 }
 Ts[open].className="title02";
 Ts[this.value].className="title01";
 for(var i = 0 ; i < openState.length ; i++)
 {
 clearTimeout(openState[i]);
 clearTimeout(closeState[i]);
 }
 closeMe(open,this.value);
 //openMe(this.value);
 open = this.value;
 }
 } 
 function showDiv(id){ 
 Ds[id].style.height=dH+"px";
 Ds[open].style.height="0px";
 open = id;
 }
</script>

希望本文所述对大家的JavaScript程序设计有所帮助。


本文地址:http://www.45fan.com/bcdm/52092.html
Tags: 实现 经典 JS+CSS
编辑:路饭网
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