$con?=?mysql_connect（“localhost““root““123456“）;
if（!$con）{
	die（‘數據庫連接錯誤：‘.mysql_error（））;
}
mysql_select_db（“user_demo“$con）;

$user_name?=?$_POST[“user_name“];
$user_pwd?=?$_POST[“user_pwd“];
$select_sql?=?“select?*?from?user_info?where?user_name?=?‘$user_name‘?and?‘$user_pwd‘“;

$result?=?mysql_query（$select_sql）;
if（$get_user?=?mysql_fetch_array（$result））{
	echo?“恭喜你！登錄成功！
點擊注冊“;
}?else?{
	echo?“密碼或或用戶名錯誤！
返回登錄“;
}

?>

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????310??2014-05-10?23:20??user_demo2\sql.txt

?????文件????????755??2014-05-10?23:34??user_demo2\user_login.html

?????文件????????596??2014-05-10?23:49??user_demo2\user_login.php

?????文件????????819??2014-05-10?23:33??user_demo2\user_register.html

?????文件????????546??2014-05-10?23:48??user_demo2\user_register.php

?????目錄??????????0??2014-05-10?23:34??user_demo2

-----------?---------??----------?-----??----

?????????????????3026????????????????????6