<?php
include_once("functions/is_login.php");
if (!session_id()){//这里使用session_id()判断是否已经开启了Session
	session_start();
}
if(!is_login()){
	echo "请您登录系统后，再访问该页面！";
	return;
}
include_once("functions/database.php");
$category_id = $_GET["category_id"];
get_connection();
$result_category = mysql_query("select * from category where category_id=$category_id");
close_connection();
$category = mysql_fetch_array($result_category);
?>
<form action="category_update.php" method="post">
类别：	<input type="text"  size="20" name="name" value="<?php echo $category['name']?>">
<input type="hidden" name="category_id" value="<?php echo $category_id?>">
<input type="submit" value="修改">
<input type="button" value="取消" onclick="window.history.back();">
</form>
