<?
if(!isset($_GET["id"])){
$id="home";
}
else $id=$_GET["id"];
$page_arr=Array(
"home"=>Array(
"title"=>"home","url"=>"daohang.php?id=home","parent"=>""),
"news"=>Array(
"title"=>"news","url"=>"daohang.php?id=news","parent"=>"home"),
"lzyy"=>Array(
"title"=>"lzyy","url"=>"daohang.php?id=lzyy","parent"=>"news")
);
//echo $page_arr["home"]["title"];
function daohang($id,$pages){
if(!array_key_exists($id,$pages)) die("参数错误");
$cur_page=array();
$page_id=$id;
while(strlen($page_id)>0){
$cur_page[]=$pages[$page_id];
$page_id=$pages[$page_id]["parent"];
}
for($i=count($cur_page)-1;$i>=0;$i--){
if($i>0){
echo "<a href=".$cur_page[$i]["url"].">";
}
echo $cur_page[$i]["title"];
//print_r($cur_page);
if($i>0){
echo "</a>-->";
}
}
}
?>
<html>
<head>
<title><? echo $id; ?></title>
</head>
<body>
<? daohang($id,$page_arr); ?>
</body>
</html>
