<?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 = $_POST["category_id"];
$name = $_POST["name"];
$sql = "update category set name='$name' where category_id=$category_id";
get_connection();
mysql_query($sql);
close_connection();
// $message = "分类信息修改成功！";
header("Location:index.php?url=category_add.php");
?>