你好我试图植入PDO到我的登录脚本,使其从SQL注入安全。但即时得到一个白色的页面,我认为它是因为我尝试计算行数,看看用户是否真正.....Php简单登录脚本白页
// Here we inculde the function page
include 'functions/functions.php';
// Here we connect to the db
$db = mysqlconnect();
$password = md5($_POST['mypassword']);
$statement = $db->prepare("SELECT * FROM users WHERE username = ? AND password = ?");
$statement->execute(array($_POST['myusername'], $password));
// Replace counting function based on database you are using.
$count = $statement->rowCount();
// If result matched $myusername and $mypassword, table row must be 1 row
if($count == 1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
$_SESSION['username'] = $myusername ;
//Test if it is a shared client
if (!empty($_SERVER['HTTP_CLIENT_IP'])){
$ip=$_SERVER['HTTP_CLIENT_IP'];
//Is it a proxy address
}elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}else{
$ip=$_SERVER['REMOTE_ADDR'];
}
$updateinfo=mysql_query("UPDATE `users` SET lastip ='$ip' WHERE `username` = '".$_SESSION['username']."'");
mysql_query("INSERT INTO user_log
(username, ip) VALUES('".$_SESSION['username']."', '$ip') ")
or die(mysql_error());
header("Location: home.php");
} else {
echo "Wrong Username or Password";
}
echo"<p> </p>";
林没有得到任何错误只是一个白色的页面。
而且,这里是我的功能网页,其中包括我
function mysqlconnect(){
global $db;
$host = 'localhost';
$port = 3306; // This is the default port for MySQL
$database = '';
$username = '';
$password = '';
// Construct the DSN, or "Data Source Name". Really, it's just a fancy name
// for a string that says what type of server we're connecting to, and how
// to connect to it. As long as the above is filled out, this line is all
// you need :)
$dsn = "mysql:host=$host;port=$port;dbname=$database";
// Connect!
$db = new PDO($dsn, $username, $password);
}
停止使用'global'关键字。你用'md5()'做了什么?你确定你已经启用了错误报告。 – PeeHaa
是错误报告已打开。并返回$ db;显示没有数据库选择(当int他功能文件有)而我使用MD5,因为用户密码是MD5 ... – user1405062
你仍然在使用'mysql_query'。你想达到什么目的?我看到你正在使用PDO连接到数据库,但是然后你使用'mysql_query'之外的 –