thinkphp3.2获取当前页面分类标题和路径

页面分类标题：

页面路径：

数据库：

控制器代码：

//获取当前分类名称
		$m = D('Home/ProductCats');
		$catNames = $m->getCatNames($catId);	//页面标题
		$catNames2=array_reverse($catNames); //数组反转，用做路径	
		$this->assign('catNames',$catNames);
		$this->assign('catNames2',$catNames2);

/**
	 * 获取当前分类名称级上级分类名称
	 */
	public function getCatNames($catId){		
		$catNames = S("ZHT_CACHE_PRODUCT_CATNAMES_".$catId);
		if(!$catNames){
			//获取上级
			$catNames = array();
			$catNames = $this->getParent($catNames,$catId);
			
			S("ZHT_CACHE_PRODUCT_CATNAMES_".$catId,$catNames,31536000);
		}		
		return $catNames;
	}
	/**
	 * 迭代获取上级
	 */
	public function getParent($ids = array(),$catId){
	 	$sql = "select catId,catName,parentId from __PREFIX__product_cats WHERE catId=$catId AND isShow=1 AND isFlag=1";
	 	$rs = $this->queryRow($sql);
		if(!empty($rs)){
			$ids[] = $rs;
			if($rs['parentId']>0){
				return $this->getParent($ids,$rs['parentId']);				
			}else{
				return $ids;
			}
		}else{
			return $ids;
		}
	}

/**
	 * 获取当前路径
	 */
	public function getCatNav($catId){		
		$catNav = S("ZHT_CACHE_PRODUCT_CATNAV_".$catId);
		if(!$catNav){
			//获取上级
			$catNav = $this->getParent2($catId);
			S("ZHT_CACHE_PRODUCT_CATNAV_".$catId,$catNav,31536000);
		}
		return $catNav;
	}
	public function getParent2($catId){
	 	$sql = "select catId,catName,parentId from __PREFIX__product_cats where isFlag=1 AND isShow=1 and catId=$catId";
	 	$rs = $this->query($sql);
	 	if(false !== $rs){
			if($rs[0]['parentId'] > 0){
				$rs2 = $this->getParent2($rs[0]['parentId']);
				$rs = array_merge($rs,$rs2);
			}
			return $rs;		 	
	 	}
	}

页面标题：

<title>
<volist name="catNames" key="k" id="v">
{$v['catName']} - 
</volist>
网站名称
</title>

<a href='/'>主页</a>
<volist name="catNames2" key="k" id="v">
	&nbsp;>&nbsp;<a href="/product/{$v['catId']}.html">{$v['catName']}</a>
</volist>