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jQuery实现向下滑出的二级菜单效果实例

企鹅 人气:0

本文实例讲述了jQuery实现向下滑出的二级菜单效果。分享给大家供大家参考。具体如下:

这里用jQuery实现向下滑出的二级菜单代码,滑出菜单,鼠标放在主菜单的任意一项上,就会向下滑出二级的子菜单。当然本代码只是一个演示,有些菜单是随便弄的,经过测试,兼容IE8、火狐和Chrome等浏览器,有兴趣的你可以自己试下。

运行效果截图如下:

在线演示地址如下:

http:/https://img.qb5200.com/download-x/demo.jb51.net/js/2015/jquery-down-show-2menu-style-codes/

具体代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery缓慢弹出下拉导航</title>
<style>
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;text-decoration:none;}
body{ font: 12px/180% Arial, Helvetica, sans-serif, "新宋体"; background-color: #E8E8E8; }
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden}
.clearfix{display:inline-table}
*html .clearfix{height:1%}
.clearfix{display:block}
*+html .clearfix{min-height:1%}
/* nav_menu */
.nav_menu{ height: 42px; background-color: #333333; }
.nav{width:1006px;height:41px;position:relative;margin:0 auto;}
.nav .list li{float:left;}
.nav .list a{float:left;display:block;width:125px;height:42px;text-align:center;font:bold 13px/36px "微软雅黑";color:#fff;}
.nav .list a:hover{color:#FFA304;}
.nav .list a:hover,.nav .list .now{color:#F00;background:#fff;}
.nav .box{position:absolute;left:-5px;top:42px;width:1006px;background:#FFF;overflow:hidden;height:0;filter:alpha(opacity=0);opacity:0;border-bottom:2px solid #074c52;}
.nav .cont{position:relative;padding:25px 0 0px 24px;}
/* sublist */
.sublist li{float:left;width:168px;padding-right:24px;padding-bottom:24px;}
.sublist li h3.mcate-item-hd{font-family:'微软雅黑';padding-left:2px;font-size:14px;height:26px;line-height:26px;border-bottom:1px dashed #666666;}
.sublist li p.mcate-item-bd{padding-left:2px;}
.sublist li p.mcate-item-bd a{height:26px;line-height:26px;margin-right:5px;font-size:12px;color:#666666;text-decoration:none;display:inline-block;}
.sublist li p.mcate-item-bd a:hover{color:#6c5143;text-decoration:underline;}
</style>
<script type="text/javascript" src="jquery-1.6.2.min.js"></script>
</head>
<body>
<div class="nav_menu">
 <div class="nav">
  <div class="list" id="navlist">
   <ul id="navfouce">
    <li><a href="#">公司概况</a></li> 
    <li><a href="#">产品展示</a></li> 
    <li><a href="#">新闻动态</a></li>
    <li><a href="#">营销网络</a></li>
    <li><a href="#">照明知识</a></li> 
    <li><a href="#">人力资源</a></li> 
    <li><a href="#">客服中心</a></li> 
    <li><a href="#">联系我们</a></li>
   </ul>
  </div>
  <div class="box" id="navbox" style="height:0px;opacity:0;overflow:hidden;">
   <div class="cont" style="display:none;">
    <ul class="sublist clearfix">
     <li>
      <h3 class="mcate-item-hd"><span>服饰内衣</span></h3>
      <p class="mcate-item-bd">
       <a href="#">女装</a>
       <a href="#">男装</a>
       <a href="#">内衣</a>
       <a href="#">家居服</a>
       <a href="#">配件</a>
       <a href="#">羽绒</a>
       <a href="#">呢大衣</a>
       <a href="#">毛衣</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>鞋 箱包</span></h3>
      <p class="mcate-item-bd">
       <a href="#">女鞋</a>
       <a href="#">男鞋</a>
       <a href="#">箱包</a>
       <a href="#">女包</a>
       <a href="#">男包</a>
       <a href="#">旅行箱</a>
       <a href="#">钱包 </a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>珠宝、手表</span></h3>
      <p class="mcate-item-bd">
       <a href="#">饰品</a>
       <a href="#">项链</a>
       <a href="#">珠宝</a>
       <a href="#">钻石</a>
       <a href="#">手表</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>化妆品</span></h3>
      <p class="mcate-item-bd">
       <a href="#">护肤</a>
       <a href="#">彩妆</a>
       <a href="#">香水</a>
       <a href="#">男士</a>
       <a href="#">精油</a>
       <a href="#">假发</a>
       <a href="#">美体</a>
       <a href="#">试用服务</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>运动 户外</span></h3>
      <p class="mcate-item-bd">
       <a href="#">运动鞋</a>
       <a href="#">运动服</a>
       <a href="#">运动用品</a>
       <a href="#">户外</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>手机 数码</span></h3>
      <p class="mcate-item-bd">
       <a href="#">手机</a>
       <a href="#">笔记本</a>
       <a href="#">相机</a>
       <a href="#">平板电脑</a>
       <a href="#">配件</a>
       <a href="#">电脑硬件</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>家用电器</span></h3>
      <p class="mcate-item-bd">
       <a href="#">大家电</a>
       <a href="#">影音电器</a>
       <a href="#">生活电器</a>
       <a href="#">厨房电器</a>
       <a href="#">健康护理</a>
       <a href="#">剃须刀</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>家具 建材</span></h3>
      <p class="mcate-item-bd">
       <a href="#">家具</a>
       <a href="#">卫浴</a>
       <a href="#">地板</a>
       <a href="#">灯具</a>
       <a href="#">五金</a>
       <a href="#">开关</a>
       <a href="#">装修设计</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>家纺 居家</span></h3>
      <p class="mcate-item-bd">
       <a href="#">家纺</a>
       <a href="#">磨毛套件</a>
       <a href="#">羽绒被</a>
       <a href="#">枕头</a>
       <a href="#">软饰</a>
       <a href="#">居家</a>
       <a href="#">厨房</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>食品</span></h3>
      <p class="mcate-item-bd">
       <a href="#">零食</a>
       <a href="#">进口</a>
       <a href="#">茶叶</a>
       <a href="#">冲饮</a>
       <a href="#">酒水</a>
       <a href="#">粮油</a>
       <a href="#">干货</a>
       <a href="#">生鲜</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>医药保健</span></h3>
      <p class="mcate-item-bd">
       <a href="#">保健</a>
       <a href="#">滋补</a>
       <a href="#">蛋白粉</a>
       <a href="#">阿胶</a>
       <a href="#">药品</a>
       <a href="#">血压仪</a>
       <a href="#">计生</a>
       <a href="#">体检</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>母婴用品</span></h3>
      <p class="mcate-item-bd">
       <a href="#">玩具</a>
       <a href="#">宝宝食品</a>
       <a href="#">用品</a>
       <a href="#">童装</a>
       <a href="#">孕装</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>汽车 配件</span></h3>
      <p class="mcate-item-bd">
       <a href="#">新车</a>
       <a href="#">座垫</a>
       <a href="#">脚垫</a>
       <a href="#">GPS</a>
       <a href="#">车衣</a>
       <a href="#">洗车机</a>
       <a href="#">水枪</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>文化 玩乐</span></h3>
      <p class="mcate-item-bd">
       <a href="#">电子凭证</a>
       <a href="#">图书</a>
       <a href="#">乐器</a>
       <a href="#">旅游</a>
       <a href="#">鲜花</a>
      </p>
     </li>
    </ul>
   </div>
   <div class="cont" style="display:none;">
    <ul class="sublist clearfix">
     <li>
      <h3 class="mcate-item-hd"><span>服饰内衣</span></h3>
      <p class="mcate-item-bd">
       <a href="#">女装</a>
       <a href="#">男装</a>
       <a href="#">内衣</a>
       <a href="#">家居服</a>
       <a href="#">配件</a>
       <a href="#">羽绒</a>
       <a href="#">呢大衣</a>
       <a href="#">毛衣</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>鞋 箱包</span></h3>
      <p class="mcate-item-bd">
       <a href="#">女鞋</a>
       <a href="#">男鞋</a>
       <a href="#">箱包</a>
       <a href="#">女包</a>
       <a href="#">男包</a>
       <a href="#">旅行箱</a>
       <a href="#">钱包 </a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>珠宝、手表</span></h3>
      <p class="mcate-item-bd">
       <a href="#">饰品</a>
       <a href="#">项链</a>
       <a href="#">珠宝</a>
       <a href="#">钻石</a>
       <a href="#">手表</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>化妆品</span></h3>
      <p class="mcate-item-bd">
       <a href="#">护肤</a>
       <a href="#">彩妆</a>
       <a href="#">香水</a>
       <a href="#">男士</a>
       <a href="#">精油</a>
       <a href="#">假发</a>
       <a href="#">美体</a>
       <a href="#">试用服务</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>运动 户外</span></h3>
      <p class="mcate-item-bd">
       <a href="#">运动鞋</a>
       <a href="#">运动服</a>
       <a href="#">运动用品</a>
       <a href="#">户外</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>手机 数码</span></h3>
      <p class="mcate-item-bd">
       <a href="#">手机</a>
       <a href="#">笔记本</a>
       <a href="#">相机</a>
       <a href="#">平板电脑</a>
       <a href="#">配件</a>
       <a href="#">电脑硬件</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>家用电器</span></h3>
      <p class="mcate-item-bd">
       <a href="#">大家电</a>
       <a href="#">影音电器</a>
       <a href="#">生活电器</a>
       <a href="#">厨房电器</a>
       <a href="#">健康护理</a>
       <a href="#">剃须刀</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>家具 建材</span></h3>
      <p class="mcate-item-bd">
       <a href="#">家具</a>
       <a href="#">卫浴</a>
       <a href="#">地板</a>
       <a href="#">灯具</a>
       <a href="#">五金</a>
       <a href="#">开关</a>
       <a href="#">装修设计</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>家纺 居家</span></h3>
      <p class="mcate-item-bd">
       <a href="#">家纺</a>
       <a href="#">磨毛套件</a>
       <a href="#">羽绒被</a>
       <a href="#">枕头</a>
       <a href="#">软饰</a>
       <a href="#">居家</a>
       <a href="#">厨房</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>食品</span></h3>
      <p class="mcate-item-bd">
       <a href="#">零食</a>
       <a href="#">进口</a>
       <a href="#">茶叶</a>
       <a href="#">冲饮</a>
       <a href="#">酒水</a>
       <a href="#">粮油</a>
       <a href="#">干货</a>
       <a href="#">生鲜</a>
      </p>
     </li>
    </ul>
   </div>
   <div class="cont" style="display:none;">
    <ul class="sublist clearfix">
     <li>
      <h3 class="mcate-item-hd"><span>服饰内衣</span></h3>
      <p class="mcate-item-bd">
       <a href="#">女装</a>
       <a href="#">男装</a>
       <a href="#">内衣</a>
       <a href="#">家居服</a>
       <a href="#">配件</a>
       <a href="#">羽绒</a>
       <a href="#">呢大衣</a>
       <a href="#">毛衣</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>鞋 箱包</span></h3>
      <p class="mcate-item-bd">
       <a href="#">女鞋</a>
       <a href="#">男鞋</a>
       <a href="#">箱包</a>
       <a href="#">女包</a>
       <a href="#">男包</a>
       <a href="#">旅行箱</a>
       <a href="#">钱包 </a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>珠宝、手表</span></h3>
      <p class="mcate-item-bd">
       <a href="#">饰品</a>
       <a href="#">项链</a>
       <a href="#">珠宝</a>
       <a href="#">钻石</a>
       <a href="#">手表</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>化妆品</span></h3>
      <p class="mcate-item-bd">
       <a href="#">护肤</a>
       <a href="#">彩妆</a>
       <a href="#">香水</a>
       <a href="#">男士</a>
       <a href="#">精油</a>
       <a href="#">假发</a>
       <a href="#">美体</a>
       <a href="#">试用服务</a>
      </p>
     </li>
     <li>
      <h3 class="mcate-item-hd"><span>运动 户外</span></h3>
      <p class="mcate-item-bd">
       <a href="#">运动鞋</a>
       <a href="#">运动服</a>
       <a href="#">运动用品</a>
       <a href="#">户外</a>
      </p>
     </li>
    </ul>
   </div>
   <div class="cont" style="display:none;">3<br />3</div>
   <div class="cont" style="display:none;">4<br />3<br />4</div>
   <div class="cont" style="display:none;">5</div>
   <div class="cont" style="display:none;">6<br />3<br />3</div>
   <div class="cont" style="display:none;">7<br />3<br />3<br />3</div>
  </div>
 </div>
</div>
<script type="text/javascript">
(function(){
 var time = null;
 var list = $("#navlist");
 var box = $("#navbox");
 var lista = list.find("a");
 for(var i=0,j=lista.length;i<j;i++){
  if(lista[i].className == "now"){
   var olda = i;
  }
 }
 var box_show = function(hei){
  box.stop().animate({
   height:hei,
   opacity:1
  },400);
 }
 var box_hide = function(){
  box.stop().animate({
   height:0,
   opacity:0
  },400);
 }
 lista.hover(function(){
  lista.removeClass("now");
  $(this).addClass("now");
  clearTimeout(time);
  var index = list.find("a").index($(this));
  box.find(".cont").hide().eq(index).show();
  var _height = box.find(".cont").eq(index).height()+54;
  box_show(_height)
 },function(){
  time = setTimeout(function(){ 
   box.find(".cont").hide();
   box_hide();
  },50);
  lista.removeClass("now");
  lista.eq(olda).addClass("now");
 });
 box.find(".cont").hover(function(){
  var _index = box.find(".cont").index($(this));
  lista.removeClass("now");
  lista.eq(_index).addClass("now");
  clearTimeout(time);
  $(this).show();
  var _height = $(this).height()+54;
  box_show(_height);
 },function(){
  time = setTimeout(function(){  
   $(this).hide();
   box_hide();
  },50);
  lista.removeClass("now");
  lista.eq(olda).addClass("now");
 });
})();
</script>
</body>
</html>

希望本文所述对大家的jquery程序设计有所帮助。

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