forked from leinue/PHP
/
guestbook.php
72 lines (62 loc) · 1.63 KB
/
guestbook.php
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<!-- TemplateBeginEditable name="doctitle" -->
<title>无标题文档</title>
<!-- TemplateEndEditable -->
<!-- TemplateBeginEditable name="head" -->
<!-- TemplateEndEditable -->
</head>
<body>
<?php
if(trim($_POST['user'])=='' or trim($_POST['content'])=='')
{
?>
<form action="" method="post" name="guestbook">
<p>XML-GUESTBOOK</p>
User:<input name="user" type="text" maxlength="20" /><br />
title:<input name="title" type="text" maxlength="5" /><br />
comment:<textarea name="content" cols=60 rows=5></textarea><br />
<input name="submit" type="submit" value="submit" />
</form>
<?php
}
else{
header('content-type:application/xml;charset=utf-8');
header('cache-control:no-cache,must-revalidate');
header('expires:fir,14 mar 1980 20:53:00 GMT');
header('last-modified: '.date('r'));
header('pragma:no-cache');
$dom=new DOMDocument('1.0');
if(file_exists('guesebook.xml')){
$gb=simplexml_load_file('guesebook.xml');
foreach ($gb->item as $item) {
$gbit_arry[]=(int)$item->id;
}
$gbid=max($gbit_arry)+1;
$gb=dom_import_simplexml($gb);
$gb=$dom->importnode($gb,true);
}
else{
$gb=$dom->createelement('guestbook');
$gbid=1;
}
$gb=$dom->appendchild($gb);
$item=$dom->createelement("item");
//id
$id=$dom->createelement('id');
$text=$dom->createtextnode($gbid);
$id->appendchild($text);
$id=$item->appendchild($id);
$user=$dom->createelement('user');
$text=$dom->createtextnode(trim($_POST['user']));
$user->appendchild($text);
$user=$item->appendchild($user);
$item=$gb->appendchild($item);
echo $dom->saveXML();
$dom->save("guestbook.xml");
}
?>
</body>
</html>