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php+jQuery实现的三级导航菜单

墨辰丷asal: 2018-05-18 15:13:462138semak imbas

这篇文章主要介绍了php+jQuery实现的三级导航栏下拉菜单显示效果,涉及php数组遍历与jQuery事件响应操作页面元素变换等相关操作技巧,需要的朋友可以参考下

具体如下：

首先看看效果图：

1.数据配置文件 db.php

<?php
return array(
  array(
    &#39;one&#39; => &#39;关于我们&#39;,
    &#39;two&#39; => array(
      array(
        &#39;three_tit&#39; => &#39;公司介绍&#39;,
        &#39;three_cont&#39; => array(
          &#39;企业概况&#39;,
          &#39;组织架构&#39;,
          &#39;发展历程&#39;,
          &#39;企业文化&#39;,
          &#39;服务理念&#39;
          )
      ),
      array(
        &#39;three_tit&#39; => &#39;企业荣誉&#39;,
        &#39;three_cont&#39; => array(
          &#39;获奖证书&#39;,
          &#39;行业贡献&#39;,
          &#39;资质认证&#39;,
          &#39;协会活动&#39;,
          &#39;公司的成就&#39;)
      ),
      array(
        &#39;three_tit&#39; => &#39;销售网络&#39;,
        &#39;three_cont&#39; => array(
          &#39;东北&#39;,
          &#39;华北&#39;,
          &#39;中东&#39;,
          &#39;华南&#39;,
          &#39;西南&#39;,
          &#39;西北&#39;
          )
      )
    )
  ),
  array(
    &#39;one&#39; => &#39;产品展示&#39;,
    &#39;two&#39; => array(
      array(
        &#39;three_tit&#39; => &#39;进出口贸易&#39;,
        &#39;three_cont&#39; => array(
          &#39;数码产品&#39;,
          &#39;最新能源&#39;,
          &#39;新鲜水果&#39;,
          &#39;肉类食品&#39;,
          &#39;衣服&#39;,
          &#39;金银首饰&#39;
          )
      ),
      array(
        &#39;three_tit&#39; => &#39;商业服务&#39;,
        &#39;three_cont&#39; => array(
          &#39;资格认证&#39;,
          &#39;人才培养&#39;,
          &#39;热门商品推荐&#39;,
          &#39;最新科技前沿&#39;
        )
      )
    )
  ),
  array(
    &#39;one&#39; => &#39;新闻中心&#39;,
    &#39;two&#39; => array(
      array(
        &#39;three_tit&#39; => &#39;企业动态&#39;,
        &#39;three_cont&#39; => array(
          &#39;公司新闻&#39;,
          &#39;新品上市&#39;,
          &#39;企业动态&#39;
          )
      ),
      array(
        &#39;three_tit&#39; => &#39;行业动态&#39;,
        &#39;three_cont&#39; => array(
          &#39;媒体聚焦&#39;,
          &#39;业内关注&#39;,
          &#39;国内行情&#39;,
          &#39;国际行情&#39;
          )
      )
    )
  ),
  array(
    &#39;one&#39; => &#39;联系我们&#39;,
    &#39;two&#39; => array(
      array(
        &#39;three_tit&#39; => &#39;联系方式&#39;,
        &#39;three_cont&#39; => array(
        &#39;在线客服&#39;,
        &#39;通信地址&#39;,
        &#39;电话传真&#39;,
        &#39;在线留言&#39;
        )
      ),
      array(
        &#39;three_tit&#39; => &#39;人才招聘&#39;,
        &#39;three_cont&#39; => array(
          &#39;项目经理&#39;,
          &#39;助理秘书&#39;,
          &#39;渠道代理&#39;,
          &#39;网站工程师&#39;
          )
      )
    )
  )
);
?>

2.index文件

<?php
header(&#39;Content-type:text/html;charset=utf-8&#39;);
 // 载入数据
$data = include &#39;./db.php&#39;;
  // 载入html文件
include &#39;./nav.html&#39;;
?>

3.nav.html文件

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="./js/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
  $(function(){
    //对元素进行隐藏
    $(&#39;.menu>li&#39;).eq(4).find(&#39;s&#39;).hide();
    $(&#39;.two li&#39;).last().css(&#39;border&#39;,&#39;none&#39;);
    //鼠标移入和移出事件
    $(&#39;.menu li&#39;).hover(function(){
      $(this).find(&#39;.two&#39;).show();
      //鼠标移入和移出事件
      $(&#39;.two li&#39;).hover(function(){
        $(this).find(&#39;.hide&#39;).show();
      },function(){
        $(this).find(&#39;.hide&#39;).hide();
      });
    },function(){
      $(this).find(&#39;.two&#39;).hide();
    });
  })
</script>
<title>无标题文档</title>
<style type="text/css">
*{
  padding: 0;
  margin: 0;
}
body{
  font: 18px/50px &#39;微软雅黑&#39;;
  color: #FFF;
}
li{
  list-style: none;
}
a{
  text-decoration: none;
  color: #FFF;
}
#nav{
  width: 610px;
  height: 50px;
  background: #01532B;
  margin: 30px auto;
  border-radius: 5px;
  box-shadow: 2px 3px 2px #479E33;
}
#nav ul.menu{
  padding: 0 5px;
}
#nav ul.menu li{
  width: 120px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  float: left;
  position: relative;
}
#nav ul.menu li a{
  display: block;
  text-shadow:0px 1px 1px #479E33;
}
#nav ul.menu li a:hover{
  color: #FFF;
  background: #479E33;
}
#nav ul.menu li s{
  width: 0px;
  height: 30px;
  border-left: 1px solid #479E33;
  display: block;
  position: absolute;
  right: 0;
  top: 10px;
}
#nav ul.menu li ul{
  position: absolute;
  top: 50px;
  left: 0;
  background: #479E33;
  border-radius: 0 0 3px 3px;
  box-shadow: 2px 3px 2px #479E33;
}
#nav ul.menu li ul li{
  border-bottom: 1px solid #479E33;
  width: 120px;
  position: relative;
}
#nav ul.menu li ul li a{
  font-size: 16px;
}
#nav ul.menu li ul li .hide{
  position: absolute;
  top: 0px;
  left: 120px;
}
#nav ul.menu li ul li .hide li{
  border-left: 1px solid #479E33;
}
#nav ul.menu li ul li .hide li a{
  font-size: 14px;
}
.two,.hide{
  display: none;
}
</style>
</head>
<body>
  <p id="nav">
    <ul class="menu">
      <li><a href="">网站首页</a><s></s></li>
      <?php foreach($data as $v) { ?>
      <li>
        <a href=""><?php echo $v[&#39;one&#39;] ?></a><s></s>
        <ul class="two">
          <?php foreach ($v[&#39;two&#39;] as $val) { ?>
          <li>
            <a href=""><?php echo $val[&#39;three_tit&#39;] ?></a>
            <ul class="hide">
              <?php foreach ($val[&#39;three_cont&#39;] as $value) { ?>
              <li><a href=""><?php echo $value ?></a></li>
              <?php } ?>
            </ul>
          </li>
          <?php } ?>
        </ul>
      </li>
      <?php } ?>
    </ul>
  </p>
</body>
</html>

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