2 回答

TA貢獻1815條經(jīng)驗 獲得超6個贊
通過添加一行來設(shè)置會話用戶名的值來解決這個問題:
<?php
session_start();
$user = $_POST['login'];
$pass = md5($_POST['pword']);
$entrar = $_POST['entrar'];
$conn = mysqli_connect("localhost","root", "", "pdsys", "3308");
if(isset($entrar)){
$verifica = mysqli_query($conn,"SELECT * FROM users WHERE username = '$user' AND pword = '$pass'") or die ("Usuário ou senha incorretos");
if (mysqli_num_rows($verifica)<=0){
echo "<script language='javascript' type='text/javascript'>
alert('Login e/ou senha incorretos');window.location
.href='index.php';</script>";
die();
} else {
setcookie("login", $user);
$_SESSION['username']=$user;
header("location: main.php");
}
}?>
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