ecshop实现二级导航

在page_header.lbi对应的位置（你想显示导航的位置）插入   (注意下面的"themes/模板名称/util.php"中的"模板名称"改成你模板文件夹的名称)

<?php

    require_once("themes/模板名称/util.php");

?>

<div>

             <p {if $navigator_list.config.index eq 1} {/if}><a href="../index.php">{$lang.home}</a></p> 

                <ul>                 

                  <!-- {foreach name=nav_middle_list from=$navigator_list.middle item=nav} -->

                   <li onMouseOver="sw_nav(this,1);" onMouseOut="sw_nav(this,0);" {if $nav.active eq 1}{/if}>

                   <a href="{$nav.url}" {if $nav.opennew eq 1}target="_blank" {/if}>{$nav.name}</a>

                  <?php

                                  $subcates = get_subcate_byurl($GLOBALS['smarty']->_var['nav']['url']);

                             if($subcates!=false)

                        {

                                if(count($subcates)>0)

                            {

                                    echo "<div class='sub_nav'>";                               

                                if($subcates)

                                {

                                foreach($subcates as $cate)

                                {

                                        echo "<a href='".$cate['url']."' class='level_1'>".$cate['name']."</a>";                                  

                                }

                                }                               

                                echo "</div><iframe frameborder='0' scrolling='no' class='nomask'></iframe>";

                            }

                        }

                             ?>

                   </li>

                 <!-- {/foreach} -->

            </ul>

      <script type="text/javascript">

      //初始化主菜单

                function sw_nav(obj,tag)

                {

                        var subdivs = obj.getElementsByTagName("DIV");

                        var ifs = obj.getElementsByTagName("IFRAME");

                       

                        if(subdivs.length>0)

                        {

                                if(tag==1)

                                {

                                        subdivs[0].style.display = "block";

                                        ifs[0].style.display = "block";

                                }

                                else

                                {

                                        subdivs[0].style.display = "none";       

                                        ifs[0].style.display = "none";

                                }                              

                        }

                }

      </script>

</div>

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2.CSS写法具体自己调试修改

.header-menu p{ float:left;padding:1px 12px 1px 0;margin-top:-2px;}

.header-menu  ul li{float:left;padding:1px 12px 1px 12px;margin-top:-2px;}

.header-menu ul li a,.header-menu p a{color: #333;display:block;}

.header-menu ul li a:hover,.header-menu p a:hover{color:#888;}

.header-menu ul li.curs{background:#999;}

.header-menu ul li.curs a{color:#fff;}

.sub_nav{ background:#999;width:110px; position:absolute; z-index:5003; display:none;margin-left:-12px;}

.nomask{ background:#fff; width:110px; height:50px; position:absolute; z-index:5002;display:none;margin-left:-12px;}

.sub_nav a.level_1{ display:block;color:#fff;padding:6px 6px 6px 13px;font:11px Tahoma,Verdana,PMingLiU,Arial;border-bottom:1px dotted #D1D1D1;*border-bottom:1px dotted #D1D1D1 !important;*border-bottom:1px solid #A8A8A8;}

.sub_nav a.level_1:hover{color:#fff;background:#55B46C;text-decoration:none;}

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把以下代码编辑成(util.php)解压出来拷贝到模板目录下

<?php

/**

* 通过传入参数的url判断是否为目录分类，从而获取子菜单

* @param string $url

*/

function get_subcate_byurl($url)

{

   $rs = strpos($url,"category");

    if($rs!==false)

    {        preg_match("/d+/i",$url,$matches);

        $cid = $matches[0];

        $cat_arr = array();

        $sql = "select * from ".$GLOBALS['ecs']->table('category')." where parent_id=".$cid." and is_show=1";

        $res = $GLOBALS['db']->getAll($sql);

       

        foreach($res as $idx => $row)

        {

            $cat_arr[$idx]['id']   = $row['cat_id'];

            $cat_arr[$idx]['name'] = $row['cat_name'];

            $cat_arr[$idx]['url']  = build_uri('category', array('cid' => $row['cat_id']), $row['cat_name']);

           $cat_arr[$idx]['children'] = get_clild_list($row['cat_id']);

        }

        return $cat_arr;

    }

    else

    {

        return false;    }

}

function get_clild_list($pid)

{

  //开始获取子分类

    $sql_sub = "select * from ".$GLOBALS['ecs']->table('category')." where parent_id=".$pid." and is_show=1";$subres = $GLOBALS['db']->getAll($sql_sub);

    if($subres)    {

        foreach ($subres as $sidx => $subrow)

        {

            $children[$sidx]['id']=$subrow['cat_id'];

           $children[$sidx]['name']=$subrow['cat_name'];

            $children[$sidx]['url']=build_uri('category', array('cid' => $subrow['cat_id']), $subrow['cat_name']);        }

    }

    else

    {

        $children = null;

    }       

    return $children;

}

?>