使用css+js构造的无限级菜单(寻梦的稻草人)

 

先看看效果:

css menu 

html代码:

 

<html>
<head>
<style>
ul#menu, ul#menu ul
{
    list-style
:none;
    margin
:0;
    border-bottom
:1px solid #DDD;
    border-right
:1px solid #DDD;
    border-left
:1px solid #DDD;
    width
:150px;
    padding
:0;
    font-size
:14px;
}
ul#menu li
{
    border-top
:1px solid #DDD;
    position
:relative;
    padding
:4px;

}
ul#menu li ul
{
    position
:absolute;
    left
:150px;
    _left
:144px;    
    top
:0;
    display
:none;
}
ul#menu li.over
{
    background
:#EEE;
}
ul#menu li.out
{
    background
:#fff;
}
ul#menu a
{
    display
:block;
    text-decoration
:none;
    color
:#000;
    _height
:0;
}
</style>
<script type="text/javascript">
function initMenu(event,ul){
    
if(!ul) ul = document.getElementById("menu");
    li 
= ul.getElementsByTagName("li");
    
for(i=0;i<li.length;i++)
    {
        li[i].onmouseover 
= function(){
            
try{
                
this.className='over';
                
this.getElementsByTagName("ul")[0].style.display="block";
            }
catch(e){};
        }
        li[i].onmouseout 
= function(){
            
try{
                
this.className='out';
                
this.getElementsByTagName("ul")[0].style.display="none";
            }
catch(e){};
        }
    }
}
window.onload 
= initMenu;
</script>
</head>
<body>
<ul id="menu">
    
<li>
        这是菜单1
        
<ul>
            
<li>
                这是菜单1
                
<ul>
                    
<li><href="#">这是子菜单</a></li>
                    
<li>
                        这是菜单1
                        
<ul>
                            
<li><href="#">这是子菜单</a></li>
                            
<li><href="#">这是子菜单</a></li>
                            
<li>
                                这是菜单1
                                
<ul>
                                    
<li><href="#">这是子菜单</a></li>
                                    
<li>
                                        这是菜单1
                                        
<ul>
                                            
<li><href="#">这是子菜单</a></li>
                                            
<li><href="#">这是子菜单</a></li>
                                            
<li><href="#">这是子菜单</a></li>
                                        
</ul>
                                    
</li>
                                    
<li><href="#">这是子菜单</a></li>
                                
</ul>
                            
</li>
                        
</ul>
                    
</li>
                    
<li><href="#">这是子菜单</a></li>
                
</ul>
            
</li>
            
<li>
                这是菜单1
                
<ul>
                    
<li><href="#">这是子菜单</a></li>
                    
<li><href="#">这是子菜单</a></li>
                    
<li><href="#">这是子菜单</a></li>
                
</ul>
            
</li>
            
<li><href="#">这是子菜单</a></li>
        
</ul>
    
</li>
    
<li>
        这是菜单2
        
<ul>
            
<li><href="#">这是子菜单</a></li>
            
<li><href="#">这是子菜单</a></li>
            
<li><href="#">这是子菜单</a></li>
        
</ul>
    
</li>
    
<li>
        这是菜单3
        
<ul>
            
<li><href="#">这是子菜单</a></li>
            
<li><href="#">这是子菜单</a></li>
            
<li><href="#">这是子菜单</a></li>
        
</ul>
    
</li>
</ul>
</body>
</html>



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