日期:2014-05-16 浏览次数:20400 次
$(document).ready(function(){ 
//页面中的DOM已经装载完成时,执行的代码 
    $(".menubar1 > a").click(function(){
        $(".menubar > a").next(".menu_body").slideUp("slow");
        $(".menubar > a").css("background-image","url('images/menu.jpg')");
    });
     $(".menubar > a").each(function(i){
            $(this).click(function(){
                $(this).next(".menu_body").slideToggle(600);
                changeIcon($(this));
                $(".menubar > a").not($(".menubar > a")[i]).next(".menu_body").slideUp("slow");
                $(".menubar > a").not($(".menubar > a")[i]).css("background-image","url('images/menu.jpg')");
            });
        }); 
}); 
/** 
* 修改主菜单的指示图标 
*/ 
function changeIcon(mainNode) { 
if (mainNode) { 
if (mainNode.css("background-image").indexOf("menu.jpg") >= 0) { 
mainNode.css("background-image","url('images/menu_line.jpg')"); 
} else { 
mainNode.css("background-image","url('images/menu.jpg')"); 
} 
} 
} 
<script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/menu.js"></script> </head> <body> <ul> <li class="menubar1"> <a href="#">菜单项1</a> </li> <li class="menubar"> <a href="#">菜单项2</a> <ul class="menu_body"> <li> <a href="#">子菜单项21</a> </li> <li> <a href="#">子菜单项22</a> </li> </ul> </li> <li class="menubar"> <a href="#">菜单项3</a> <ul class="menu_body"> <li> <a href="#">子菜单项31</a> </li> <li> <a href="#">子菜单项32</a> </li> </ul> </li> </ul> </body>
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; 
}
IMG{
    border: 0px;
    margin-top: -5px;
}
.menubar { 
width: 137px; 
} 
li { 
    
} 
a { 
/*取消所有的下划线*/ 
text-decoration: none; 
padding-left: 25px; 
display: block; 
display: inline-block; 
width: 100px; 
padding-top: 3px; 
padding-bottom: 3px;
} 
.menubar a{ 
font-family:"宋体";
font-size:12px;
color: #ffffff;
background: url(../images/menu.jpg);  
background-repeat: no-repeat; 
background-position: 3px center;
}
.menubar1 a{ 
font-family:"宋体";
font-size:12px;
color: #ffffff;
background: url(../images/menu.jpg);  
background-repeat: no-repeat; 
background-position: 3px center;
} 
.menubar li a{ 
color: black;
background-image: none;
} 
.menubar ul{ 
display: none; 
}