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logindo.php
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logindo.php
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<?php
require_once('./conf.php');
if (!$username = $_POST['username']) {
echo '
<script language="javascript" type="text/javascript">
alert("请输入用户名!");
window.location.href="./login.php";
</script>';
exit;
}
if (!$password = $_POST['password']) {
echo '
<script language="javascript" type="text/javascript">
alert("请输入密码!");
window.location.href="./login.php";
</script>';
exit;
}
$userinfo = $mysql->select("select * from ly_user where username=$username", true);
if (!$userinfo) {
echo '
<script language="javascript" type="text/javascript">
alert("该用户不存在!");
window.location.href="./login.php";
</script>';
exit;
}
if ($password != $userinfo['password']) {
echo '
<script language="javascript" type="text/javascript">
alert("密码错误!");
window.location.href="./login.php";
</script>';
exit;
} else {
$_SESSION['username'] = $username;#存储会话信息
$_SESSION['nickname'] = $userinfo['nickname'];
echo '
<script language="javascript" type="text/javascript">
window.location.href="./show.php";
</script>';
exit;
}
?>