<?php
   $userName = $_POST["userName"];
   $password=$_POST["password"];
   $sql = "insert into nusers values(null,'$userName','$password')";
   $userNameSQL = "select * from nusers where name='$userName'";
   include_once("functions/database.php");
   get_connection();
   $resultSet = mysql_query($userNameSQL);
   if(mysql_num_rows($resultSet)>0){
	close_connection();
	exit("用户名已经被占用，请更换其它用户名！");
   }else{
      get_connection();
      mysql_query($sql);
	  close_connection();
	  $message="注册成功!";
	  header("Location:index.php?url=news_list.php&message=$message");
   }
?>