public function displayChildren($category_id, $level)
{
//TODO;
exit;
$con = mysql_connect("localhost", "root", "123456");
if (!$con) {
die('数据库连接失败: ' . mysql_error());
}
mysql_select_db('test', $con);
// 获得当前节点的所有孩子节点（直接孩子，没有孙子）
$result = mysql_query("SELECT * FROM category WHERE parent_id='{$category_id}'");
// 遍历孩子节点，打印节点
while ($row = mysql_fetch_array($result)) {
// 根据层级，按照缩进格式打印节点的名字
// 这里只是打印，你可以将以下代码改成其他，比如把节点信息存储起来
echo str_repeat('--', $level) . $row['category_name'] . "<br/>";
// 递归的打印所有的孩子节点
displayChildren($row['category_id'], $level + 1);
}
}
function displayChildren(Smarty $smarty, $tree)
{
$templateVars = $smarty->get_template_vars();
$currentController = strtolower($templateVars['__ZF__']['controller']);
$currentAction = strtolower($templateVars['__ZF__']['action']);
$string = "";
$string .= '<ul>';
foreach ($tree as $child) {
// if it is a root
if (null === $child->inherits) {
$string .= '<li>';
$string .= '<div>' . $child->name . '</div>';
if (is_array($child->children)) {
$string .= displayChildren($smarty, $child->children);
}
$string .= '</li>';
} else {
if (!is_array($child->children)) {
$string .= '<li>';
if ("category" === $currentController && $child->identifier === $currentAction) {
$string .= '<div class="on">' . $child->name . " (" . $child->howmany . ")" . '</div>';
} else {
$string .= '<a href="/category/' . $child->identifier . '">' . $child->name . " (" . $child->howmany . ")" . '</a>';
}
$string .= '</li>';
} else {
$string .= '<li>';
$string .= '<div>' . $child->name . '</div>';
if (is_array($child->children)) {
$string .= displayChildren($smarty, $child->children);
}
$string .= '</li>';
}
}
}
$string .= '</ul>';
return $string;
}
$pages = array("Clients" => array("link" => "clients", "children" => array("New Client" => "client", "View All" => "clients")), "Users" => array("link" => "users", "children" => array("New User" => "user")), "Settings" => "settings");
foreach ($pages as $display => $page) {
if (!is_array($page)) {
if (in_array($page, $u_permissions) || $u_all_access) {
echo "<li><a href='{$page}'>{$display}</a></li>";
}
} else {
$is_link = $page['link'] ? 1 : 0;
if ($u_all_access) {
$access_to_parent = 1;
} else {
$access_to_parent = $is_link ? in_array($page['link'], $u_permissions) : 0;
}
$access_to_children = accessToChildren($page['children'], $u_permissions, $u_all_access);
if ($access_to_parent || $access_to_children) {
if ($access_to_parent) {
echo "<li><a href='{$page['link']}'>{$display}</a>";
} elseif (!$access_to_parent && $access_to_children || !$is_link && $access_to_children) {
// what
echo "<li><span>{$display}</span>";
}
if ($access_to_children) {
echo "<ul>";
displayChildren($page['children'], $u_permissions, $u_all_access);
echo "</ul>";
}
echo "</li>";
}
}
}
function displayChildren(&$container)
{
echo '<br />' . $container->name . ' has children:<br />';
foreach ($container->children as $child) {
echo $child->name . ' whose parent is ' . $child->parent->name . '<br />';
}
foreach ($container->children as $child) {
displayChildren($child);
}
}
