Jquery系列之横向纵向菜单

jsp页面

创新互联公司是一家集网站建设,乌鲁木齐企业网站建设,乌鲁木齐品牌网站建设,网站定制,乌鲁木齐网站建设报价,网络营销,网络优化,乌鲁木齐网站推广为一体的创新建站企业，帮助传统企业提升企业形象加强企业竞争力。可充分满足这一群体相比中小企业更为丰富、高端、多元的互联网需求。同时我们时刻保持专业、时尚、前沿，时刻以成就客户成长自我，坚持不断学习、思考、沉淀、净化自己，让我们为更多的企业打造出实用型网站。

<%@ page language="java" contentType="text/html; charset=UTF-8" 
    pageEncoding="UTF-8"%> 
 
 
 
 
 
 
 
 
 
 
    
 
             
                    菜单项1 
                
 
                    
 
                        子菜单项11 
                    
 
                    
 
                        子菜单项12 
                    
 
                
 
            
 
             
                菜单项2 
                
 
                    
 
                        子菜单项21 
                    
 
                    
 
                        子菜单项22 
                    
 
                
 
            
 
             
                菜单项3 
                
 
                    
 
                        子菜单项31 
                    
 
                    
 
                        子菜单项32 
                    
 
                
 
            
 
        
 
         
         
         
        
 
             
                    菜单项1 
                
 
                    
 
                        子菜单项11 
                    
 
                    
 
                        子菜单项12 
                    
 
                
 
            
 
             
                菜单项2 
                
 
                    
 
                        子菜单项21 
                    
 
                    
 
                        子菜单项22 
                    
 
                
 
            
 
             
                菜单项3 
                
 
                    
 
                        子菜单项31 
                    
 
                    
 
                        子菜单项32 
                    
 
                
 
            
 
        
 
 
 

css样式

ul,li{  
    /*清除ul和li上默认的小圆点*/ 
    list-style: none;  
}  
 
ul {  
    /*清除子菜单的缩进值*/ 
    padding: 0;  
    margin: 0;  
}  
.main,.hmain {  
    background-p_w_picpath: url(../p_w_picpaths/title.gif);  
    background-repeat: repeat-x;  
    width: 120px;  
}  
li {  
    background-color: #EEEEEE;  
}  
a {  
    /*取消所有的下划线*/ 
    text-decoration: none;  
    padding-left: 20px;  
    display: block;  
    display: inline-block;  
    width: 100px;  
    padding-top: 3px;  
    padding-bottom: 3px;  
}  
.main a, .hmain a {  
    color: white;  
    background-p_w_picpath: url(../p_w_picpaths/collapsed.gif);  
    background-repeat: no-repeat;  
    background-position: 3px center;  
}  
.main li a, .hmain li a {  
    color: black;  
    background-p_w_picpath: none;  
}  
.main ul, .hmain ul {  
    display: none;  
}  
.hmain {  
    float: left;  
    margin-right: 1px;  
} 

Jquery代码

$(document).ready(function(){  
    //页面中的DOM已经装载完成时，执行的代码 
    $(".main > a").click(function(){  
        //找到主菜单项对应的子菜单项 
        var ulNode = $(this).next("ul");  
        /* 
        if (ulNode.css("display") == "none") { 
            ulNode.css("display","block"); 
        } else { 
            ulNode.css("display","none"); 
        } 
        */ 
        //ulNode.show("slow");//normal fast 
        //ulNode.hide(); 
        //ulNode.toggle(); 
        // 
        //ulNode.slideDown("slow"); 
        //ulNode.slideUp; 
        ulNode.slideToggle();  
        changeIcon($(this));  
    });  
    $(".hmain").hover(function(){  
        $(this).children("ul").slideDown();  
        changeIcon($(this).children("a"));  
    },function(){  
        $(this).children("ul").slideUp();  
        changeIcon($(this).children("a"));  
    });  
});  
 
/** 
 * 修改主菜单的指示图标 
 */ 
function changeIcon(mainNode) {  
    if (mainNode) {  
        if (mainNode.css("background-p_w_picpath").indexOf("collapsed.gif") >= 0) {  
            mainNode.css("background-p_w_picpath","url('p_w_picpaths/expanded.gif')");  
        } else {  
            mainNode.css("background-p_w_picpath","url('p_w_picpaths/collapsed.gif')");  
        }  
    }  
}