ecshop商品子分类点击下拉，子分类空时，直接跳转功能

<div class="navBar">

  <div id="cate">
  
        <h1  class="h1">
        <dt > <a href="Javascript:;" url="{$cat.url}">{$cat.name|escape:html} <span class="searchLeft">span>a> dt>
        h1>
        <ul {if $cat.id  eq $parent_id_show}style="display:block"{/if}>
         
        <li><a href="{$child.url}" {if $child.id eq $category}class="current"{/if}>{$child.name|escape:html}a>li>
        
        ul>
        <div style="clear:both">div>
    

     
div>

div>

//列表页商品分类左侧导航点击切换
    $("#cate h1").click(function(){
        if($(this).next("ul").find("li").length == 0) {
            location.href = $(this).find("a").attr("url");//location.href实现客户端页面的跳转  
        }
        else { 
            if($(this).next("ul").is(":visible"))
            {
                $(this).next("ul").hide();    
            }
            else
            {
                $("#cate ul").hide();    
                $(this).next("ul").show();    
            }
        }
    })