<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<link rel="stylesheet" href="__PUBLIC__Css/public.css" />
</head>
<body>
<form action="{:U(GROUP_NAME.'/Cate/runCate')}" method="post">
<table class="Tab">
<tr>
<th colspan="2" class="cen">添加栏目分类</th>
</tr>
<tr>
<td align="right">所属栏目</td>
<td>
<select name="pid">
<option value="0">顶级栏目</option>
<?php foreach ($cates as $k => $v):?>
<option value="<?php echo $v['id'];?>">
<?php echo $v['name']; ?> <?php echo $v['id'];?>
</option>
<?php endforeach; ?>
</select>
</td>
</tr>
<tr>
<td align="right">栏目分类名称</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td align="right">排序</td>
<td><input type="text" name="sort" value="100"></td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="hidden" name="pid" value="{$pid}"/>
<input type="submit" value="保存" class="bt3" />
</td>
</tr>
</table>
</form>
</body>
</html>//表单处理
public function runCate(){
p($_POST);die;
if(M('cate')->add($_POST))
{
$this->success('添加成功',U(GROUP_NAME.'/Cate/index'));
}
else
{
$this->error('添加失败');
}
}//无限级分类<?php
class category {
Static public function Leveler ($cate,$html='--',$pid=0,$level=0){
$arr=array();
foreach ($cate as $v){
if($v['pid']==$pid){
$v['level']=$level + 1;
//echo $v['level'];
$v['html']=str_repeat($html,$level);
$arr[]=$v;
$arr=array_merge($arr, self::Leveler ($cate,$html,$v['id'],$level + 1));
// foreach($v as $key=>$value)
// echo ' '.$key."=>".$value;
// echo '<br/>';
}
}
return $arr;
}
}
?>结果：
为什么”pid=0“呢？ 最佳答案
