<?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;
}
?>
<form action="newcategory_save.php" method="post" enctype="multipart/form-data">
请输入新增类别的名称	<input type="text"  size="10" name="newcategory"><br/>

<br/>
已有类别：	
<select name="category_id" size="1">
<?php
include_once("functions/database.php");
get_connection();
$result_set = mysql_query("select * from category");
close_connection();
while($row = mysql_fetch_array($result_set)){
?>
	<option value="<?php echo $row['category_id'];?>"><?php echo $row['name'];?></option>
<?php
}
?>
<br/>
<br/>
<input type="submit" value="确认"><input type="reset" value="重置">
</form>