我想在用户登录时记录用户IP，我希望它能够更新列 我知道$ _SERVER [＆＃39; REMOTE_ADDR＆＃39;];得到他们的IP。 我想在mysql的用户名行登录时登录。 这是我的mysql表的图像 https://gyazo.com/cf5b223df03d0da8a15bf61ed037d847
LoginCheck.php：
<?php
# Processes
function cleanString($con, $string) {
return mysqli_real_escape_string($con, stripcslashes($string));
}
# buttons use the request method
if (isset($_REQUEST['login'])) {
$username = strtolower(cleanString($con, $_POST['username']));
$password = cleanString($con, $_POST['password']);
$errors = array();
if (empty($username) || empty($password)) {
# If they left the shit blank like a jew
$errors[] = "Please make sure you entered a valid username and password";
}
$password = md5($password);
$db_check_username = mysqli_query($con, "SELECT username FROM users WHERE username='$username' OR email='$username'");
$db_check_userdata = mysqli_query($con, "SELECT username,password FROM users WHERE username='$username' AND password='$password' OR email='$username' AND password='$password'");
if (!$db_check_username || !$db_check_userdata) {
$errors[] = mysqli_error($con);
}
if (mysqli_num_rows($db_check_username) == 0) {
# If the username doesn't exist like a bitch
$errors[] = "No account could be found with that username.";
}
if (mysqli_num_rows($db_check_userdata) == 0) {
# If the Username and Password don't match
$errors[] = "Username and Password combination incorrect.";
}
if(empty($errors)) {
session_start();
$_SESSION['username'] = $username;
$success[] = "You have successfully logged in. Redirecting in a moment.";
echo '<meta http-equiv="refresh" content="5; url=index.php" />';
} else {
$danger = $errors;
}
}
?>
的login.php
<?php
# Include da files mate
include('includes/config.php');
include('includes/logincheck.php');
# Other Shit
//nothing yet
?>
<!DOCTYPE html>
<!--[if IE 8]> <html lang="en" class="ie8"> <![endif]-->
<!--[if !IE]><!-->
<html lang="en">
<!--<![endif]-->
<head>
<meta charset="utf-8" />
<title>Twisted Movies | Login Page</title>
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport" />
<meta content="" name="description" />
<meta content="" name="author" />
<!-- ================== BEGIN BASE CSS STYLE ================== -->
<link href="http://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700" rel="stylesheet">
<link href="assets/plugins/jquery-ui/themes/base/minified/jquery-ui.min.css" rel="stylesheet" />
<link href="assets/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" />
<link href="assets/plugins/font-awesome/css/font-awesome.min.css" rel="stylesheet" />
<link href="assets/css/animate.min.css" rel="stylesheet" />
<link href="assets/css/style.min.css" rel="stylesheet" />
<link href="assets/css/style-responsive.min.css" rel="stylesheet" />
<link href="assets/css/theme/red.css" rel="stylesheet" id="theme" />
<!-- ================== END BASE CSS STYLE ================== -->
<!-- ================== BEGIN BASE JS ================== -->
<script src="assets/plugins/pace/pace.min.js"></script>
<!-- ================== END BASE JS ================== -->
</head>
<body class="pace-top">
<!-- begin #page-loader -->
<div id="page-loader" class="fade in"><span class="spinner"></span></div>
<!-- end #page-loader -->
<div class="login-cover">
<div class="login-cover-image"><img src="assets/img/login-bg/bg-1.jpg" data-id="login-cover-image" alt="" /></div>
<div class="login-cover-bg"></div>
</div>
<!-- begin #page-container -->
<div id="page-container" class="fade">
<!-- begin login -->
<div class="login login-v2" data-pageload-addclass="animated fadeIn">
<!-- begin brand -->
<div class="login-header">
<div class="brand">
<span class="logo"></span> Twisted Movies
<small>Where the best movies are AD free!</small>
</div>
<div class="icon">
<i class="fa fa-sign-in"></i>
</div>
</div>
<!-- end brand -->
<div class="login-content">
<form action="" method="POST" class="margin-bottom-0">
<div class="text-center">
<?php
if (!empty($success)) {
foreach ($success as $value) {
echo '<div class="alert alert-success">';
echo $value.'<br>';
echo '</div>';
}
} elseif (!empty($danger)) {
foreach ($danger as $value) {
echo '<div class="alert alert-danger">';
echo $value.'<br>';
echo '</div>';
}
} elseif (!empty($warning)) {
foreach ($warning as $value) {
echo '<div class="alert alert-warning">';
echo $value.'<br>';
echo '</div>';
}
} elseif (!empty($info)) {
foreach ($info as $value) {
echo '<div class="alert alert-info">';
echo $value.'<br>';
echo '</div>';
}
} else {
echo '<div class="alert alert-info">';
echo "Please enter a username and password.";
echo '</div>';
}
?>
</div>
<div class="form-group m-b-20">
<input type="text" name="username" placeholder="Username" class="form-control input-lg"/>
</div>
<div class="form-group m-b-20">
<input type="password" name="password" placeholder="Password" class="form-control input-lg"/>
</div>
<div class="checkbox m-b-20">
<label>
<input type="checkbox" /> Remember Me
</label>
</div>
<div class="login-buttons">
<button type="submit" name="login" class="btn btn-success btn-block btn-lg">Sign me in</button>
</div>
<div class="m-t-20">
Not a member yet? Click <a href="register.php">here</a> to register.
</div>
<center><?php include 'includes/footer.php'; ?></center>
</form>
</div>
</div>
<!-- end login -->
</div>
<!-- end page container -->
<!-- ================== BEGIN BASE JS ================== -->
<script src="assets/plugins/jquery/jquery-1.9.1.min.js"></script>
<script src="assets/plugins/jquery/jquery-migrate-1.1.0.min.js"></script>
<script src="assets/plugins/jquery-ui/ui/minified/jquery-ui.min.js"></script>
<script src="assets/plugins/bootstrap/js/bootstrap.min.js"></script>
<!--[if lt IE 9]>
<script src="assets/crossbrowserjs/html5shiv.js"></script>
<script src="assets/crossbrowserjs/respond.min.js"></script>
<script src="assets/crossbrowserjs/excanvas.min.js"></script>
<![endif]-->
<script src="assets/plugins/jquery-hashchange/jquery.hashchange.min.js"></script>
<script src="assets/plugins/slimscroll/jquery.slimscroll.min.js"></script>
<script src="assets/plugins/jquery-cookie/jquery.cookie.js"></script>
<!-- ================== END BASE JS ================== -->
<!-- ================== BEGIN PAGE LEVEL JS ================== -->
<script src="assets/js/login-v2.demo.min.js"></script>
<script src="assets/js/apps.min.js"></script>
<!-- ================== END PAGE LEVEL JS ================== -->
<script>
$(document).ready(function() {
App.init(ajax=true);
LoginV2.init();
});
</script>
</body>
</html>
答案 0 :(得分：0)
在你有session_start（）之后：
$ip = $_SERVER['REMOTE_ADDR'];;
$stmt = $con->prepare("UPDATE users SET `IP`=? WHERE username=?");
$stmt->bind_param("ss", $ip, $username);
$stmt->execute();
一些提示：