php smarty 二级分类代码和模版循环例子_php模板_PHP

二级分类的数据表结构如下：

复制代码 代码如下:
PHP代码如下
/**
@ 文章分类 含二级分类
@ param int $rootnum — 一级分类数量
@ param int $childnum — 二级分类数量
@ 返回值 array
@ date 2011.2.24
*/
function temp_articletreecate($rootnum,$childnum){
if(!isnumber($rootnum)){
$rootnum = 10;
}
if(!isnumber($childnum)){
$childnum = 10;
}
$category = array();
$parent_sql = “SELECT cateid,catename FROM “.TABLE_PREFIX.”articlecate WHERE parentid=0 AND depth=0 AND flag=1 ORDER BY orders ASC”;
if(intval($rootnum)>0){
$parent_sql.=” LIMIT $rootnum”;
}
$parent_cate = $GLOBALS[‘db’]->getall($parent_sql);
foreach($parent_cate as $parent_key => $parent_value){
//子类数组名为 childcategory 根据情况自定义名称
$category[] = array(‘cateid’=>$parent_value[‘cateid’],’catename’=>$parent_value[‘catename’],’childcategory’=>array());

//读取子类
$child_sql = “SELECT cateid,catename FROM “.TABLE_PREFIX.”articlecate WHERE parentid=”.$parent_value[‘cateid’].” AND flag=1 ORDER BY orders ASC”;
if(intval($childnum)>0){
$child_sql.=” LIMIT $childnum”;
}
$child_cate = $GLOBALS[‘db’]->getall($child_sql);
foreach($child_cate as $child_key => $child_value){
$category[count($category)-1][‘childcategory’][] = array(‘cateid’=>$child_value[‘cateid’],’catename’=>$child_value[‘catename’]);
}
}
return $category;
}

PHP页面调用分类，如index.php
$goodscatetree = array();
$goodscatetree = temp_goodstreecate(4,0); //调用分类函数（含二级分类）4–表示一级分类只显示4个，0

搞代gaodaima码

–表示二级分类不限数量
$tpl>assign(“goodscatetree”,$goodscatetree); //执行smarty引擎
$tpl->display->(index.tpl); //输出smarty模版页面

TPL模版页面输出分类，如index.tpl页面
{section name=p loop=$goodscatetree}
一级分类：{$goodscatetree[p].catename}
{section name=c loop=$goodscatetree[p].childcategory}
二级分类：{$goodscatetree[p].childcategory[c].catename}
{/section}
{/section}

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