smart原则_smarty 多级分类实现方法

【www.bbyears.com--smarty模板】

 代码如下 $result=mysql_query("SELECT id,description,parent_id,name,sort_order FROM article_categoey WHERE parent_id=0 order by id");
while ($row = mysql_fetch_array($result)){
$class[]=$row;
//$row["id"]是分类id，parent_id是子分类所属id
$result_sub=mysql_query("SELECT id,description,parent_id,name,sort_order FROM article_categoey WHERE parent_id="".$row["id"]."" order by id");
while ($row_sub = mysql_fetch_array($result_sub)) {
$subclass[]=$row_sub;
}
$smarty->assign("subclass", $subclass);
}
$smarty->assign("class", $class);
$smarty->display("articles.html");

?>
HTML 代码

 

 代码如下
{foreach name=cat from=$class item=cat}
{$cat.name}[{$cat.id}]

{foreach name=subcat from=$subclass item=subcat}
{if $subcat.parent_id==$cat.id}
{$subcat.name}[{$subcat.parent_id}]
{/if}
{/foreach}

{/foreach}




运行结果


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