<category parentid='0' ><{$cat.catname}></category>

'category'=array('attr'=>'parentid',level=>3)

public function _category($attr,$content)
{
//把標(biāo)簽的所有屬性解析到$tag數(shù)組里面
$tag = $this->parseXmlAttr($attr,'category');
//得到標(biāo)簽里面的屬性
$parentid= $tag['parentid'];
//定義頁面解析的變量
$result = !empty($tag['result'])?$tag['result']:'cat'; //定義數(shù)據(jù)查詢的結(jié)果存放變量
$key = !empty($tag['key'])?$tag['key']:'i';
$mod = isset($tag['mod'])?$tag['mod']:'2';
//拼湊數(shù)據(jù)庫查詢語句 這里直接用了CategoryModel封裝好的函數(shù)
$sql = "D('Category')->";
$sql .= "getCategorys(".$parentid.')';
//拼湊輸出字符
$parsestr = '<?php $_result='.$sql.'; if ($_result): $'.$key.'=0;';
$parsestr .= 'foreach($_result as $key=>$'.$result.'):';
$parsestr .= '++$'.$key.';$mod = ($'.$key.' % '.$mod.' );?>';
$parsestr .= $content;//解析在category標(biāo)簽中的內(nèi)容
$parsestr .= '<?php endforeach; endif;?>';
return $parsestr;
}

/*
* 根據(jù)parentid得到欄目信息
* $parentid 父id
* $withSelf 是否包含自己
*/
public function getCategorys($parentid,$withSelf=0)
{
$parentid=intval($parentid);
$categorys=$this->where(array('parentid'=>$parentid,'ismenu'=>1))->order('listorder ASC')->select();
//包含自己
if($withSelf)
{
$categorys2=$this->where(array('id'=>$parentid,'ismenu'=>1))->limit(1)->select();
$category=array_merge($categorys,$categorys2);
}
return $categorys;
}

<category parentid='0'>
<{$cat.catname}>
</category>