[英]Usernames and passwords from database with php
I am trying to check usernames and passwords with my database. 我正在尝试通过数据库检查用户名和密码。 However each time i attemp to login with my "admin" accounts using the password "12341" it won't give me the results I want.
但是,每次我尝试使用密码“ 12341”使用“管理员”帐户登录时,都不会得到我想要的结果。
login.php 的login.php
<div align="center" position="fixed" >
<form action="login_process.php" method="post">
<input name="username" type="text" value="" size="9"><br>
<input name="pass" type="password" value="" size="9"><br>
<input type="submit" value="Log in">
</form>
</div>
login_process.php login_process.php
require_once('db_conn.php');
if (!isset($_POST['username']) || !isset($_POST['pass'])) {
echo 'U moet een gebruikersnaam en wachtwoord invoeren!';
exit;
}
$sql = "SELECT `username`,`password` \n"
. "FROM `tryusers` \n"
. "WHERE `username` = \'Admin\'\n"
. "AND `password` = \'12341\'";
$sql = "SELECT `username`,`password` FROM `tryusers` WHERE `username` = " . $_POST['username'] . " AND password = " . $_POST['pass'] . "";
$results = $conn->query($sql);
var_dump('postuser',$_POST['username'],'<br>');
var_dump('postpass',$_POST['pass'],'<br>');
if(!$results){
echo 'no results';
} else {
echo $results;
}
db_conn.php db_conn.php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "trybase";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
Any help is appreciated. 任何帮助表示赞赏。
Regards, Sem 问候,Sem
You have to make quotes arround the variables: 您必须在变量周围加上引号:
$sql = "SELECT `username`,`password` FROM `tryusers` WHERE `username` = '" . $_POST['username'] . "' AND password = '" . $_POST['pass'] . "'";
Or better use prepared statements. 或更好地使用准备好的语句。
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