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Correction status：qualified
Teacher's comments：
Collection
Collection
<?php
$label = array(
['mid' => 1,
'pid' => 0,
'ord' => 10,
'title' => '用户管理',
'controller' => '',
'method' => '',
'ishidden' => 1,
'status' => 1,],
['mid' => 2,
'pid' => 0,
'ord' => 10,
'title' => '权限管理',
'controller' => '',
'method' => '',
'ishidden' => 1,
'status' => 1,],
['mid' => 3,
'pid' => 0,
'ord' => 10,
'title' => '系统设置',
'controller' => '',
'method' => '',
'ishidden' => 1,
'status' => 1,],
['mid' => 4,
'pid' => 1,
'ord' => 10,
'title' => '管理员列表',
'controller' => 'Admin',
'method' => 'Index',
'ishidden' => 1,
'status' => 1,],
['mid' => 5,
'pid' => 1,
'ord' => 10,
'title' => '管理员添加',
'controller' => 'Admin',
'method' => 'add',
'ishidden' => 1,
'status' => 1,],
['mid' => 6,
'pid' => 1,
'ord' => 10,
'title' => '管理员保存',
'controller' => 'Admin',
'method' => 'save',
'ishidden' => 1,
'status' => 1,],
);
// echo '<pre>';
// print_r($label);
?>
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
table,tr,th,td{border: 1px solid pink;}
</style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<th>菜单id</th>
<th>父级id</th>
<th>排序</th>
<th>名称</th>
<th>controller</th>
<th>method</th>
<th>是否隐藏</th>
<th>状态</th>
</tr>
<?php
// $key等于数组中的key值,$val等于key所对应的值
foreach($label as $key=>$val){
if($val['pid']==0){
// 下面为$data变量赋值注意,第二个开始要用.=追加方式来去赋值,否则会被覆盖.
$data = '<tr>';
$data .= '<td>'.$val['mid'].'</td>';
$data .= '<td>'.$val['pid'].'</td>';
$data .= '<td>'.$val['ord'].'</td>';
$data .= '<td>'.$val['title'].'</td>';
$data .= '<td>'.$val['controller'].'</td>';
$data .= '<td>'.$val['method'].'</td>';
$data .= '<td>'.$val['ishidden'].'</td>';
$data .= '<td>'.$val['status'].'</td>';
$data .= '</tr>';
print_r($data);
}
}
?>
</table>
<hr>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<th>菜单id</th>
<th>父级id</th>
<th>排序</th>
<th>名称</th>
<th>controller</th>
<th>method</th>
<th>是否隐藏</th>
<th>状态</th>
</tr>
<?php
foreach($label as $key=>$val){
if($val['pid']==1){
$v = '<tr>';
$v .= '<td>'.$val['mid'].'</td>';
$v .= '<td>'.$val['pid'].'</td>';
$v .= '<td>'.$val['ord'].'</td>';
$v .= '<td>'.$val['title'].'</td>';
$v .= '<td>'.$val['controller'].'</td>';
$v .= '<td>'.$val['method'].'</td>';
$v .= '<td>'.$val['ishidden'].'</td>';
$v .= '<td>'.$val['status'].'</td>';
$v .= '</tr>';
print_r($v);
}
}
?>
</table>
</body>
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