<?php
include "conn.php";
$act = $_GET['act'] ?? '';
if ($act == "logout") {
// Clear all session variables
addSession('loginid', '');
addSession('loginuser', '');
addSession('loginname', '');
addSession('loginpower', '');
session_destroy();
}
if ($act == "login") {
checkPost();
$loginuser = textEncode($_POST['loginuser'] ?? '');
$loginpwd = textEncode($_POST['loginpwd'] ?? '');
$logincode = $_POST['logincode'] ?? '';
if ($loginuser == "") {
echo "1";
exit;
}
if ($loginpwd == "") {
echo "2";
exit;
}
if ($logincode != $_SESSION['zengscode']) {
echo "3";
exit;
}
$sql = "SELECT id, loginuser, loginpwd, loginstate, loginname, loginlasttime, loginlastip,
loginthistime, loginthisip, loginpower, logincount
FROM login WHERE loginuser = '" . mysqli_real_escape_string($conn, $loginuser) . "'";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) == 0) {
echo "4";
exit;
}
$row = mysqli_fetch_assoc($result);
if ($row['loginpwd'] != md5($loginpwd)) {
echo "5";
exit;
}
if ($row['loginstate'] < 1) {
echo "6";
exit;
}
// Check power status
$sql = "SELECT COUNT(powerstate) as count, powerstate FROM power WHERE id = '" . mysqli_real_escape_string($conn, $row['loginpower']) . "' GROUP BY powerstate";
$result = mysqli_query($conn, $sql);
$power = mysqli_fetch_assoc($result);
if (!$power || $power['count'] == 0 || $power['powerstate'] == 0) {
echo "6";
exit;
}
$_SESSION['zengscode'] = "";
// Update login information
$sql = "UPDATE login SET
loginlasttime = loginthistime,
loginlastip = loginthisip,
loginthistime = NOW(),
loginthisip = '" . mysqli_real_escape_string($conn, getIp()) . "',
logincount = logincount + 1
WHERE id = '" . mysqli_real_escape_string($conn, $row['id']) . "'";
mysqli_query($conn, $sql);
// Set session variables
addSession('loginid', $row['id']);
addSession('loginuser', $row['loginuser']);
addSession('loginname', $row['loginname']);
addSession('loginpower', $row['loginpower']);
echo "7";
exit;
}
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<link href="css/loginlayout.css" type="text/css" rel="stylesheet" />
<title><?php echo $webname; ?> - 网站后台管理</title>
<script language="javascript" src="js/jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="js/loginjs.js"></script>
<style type="text/css">
/* 修复输入框变形问题 */
#loginuser, #loginpwd, #logincode {
background-color: #fff;
border: 1px solid #ccc;
border-radius: 3px;
width: 180px;
height: 28px;
line-height: 28px;
padding: 0 10px;
outline: none; /* 防止点击时出现浏览器默认的蓝色边框 */
box-sizing: border-box;
font-size: 14px;
}
#logincode {
width: 100px;
}
.loginuser, .loginpwd, .logincode {
height: 40px;
margin-bottom: 8px;
display: flex;
align-items: center;
}
/* 不再使用背景图像 */
.loginuser, .loginpwd, .logincode {
background: none;
}
/* 确保输入框在获取焦点时不变形 */
#loginuser:focus, #loginpwd:focus, #logincode:focus {
box-shadow: 0 0 3px #226dc7;
border-color: #226dc7;
}
/* 调整标签样式 */
.loginuser label, .loginpwd label, .logincode label {
width: 80px;
text-align: right;
margin-right: 10px;
font-size: 14px;
}
/* 调整验证码区域 */
#showlogincode {
margin-left: 10px;
position: relative;
z-index: 1000; /* 设置高z-index值，确保显示在最顶层 */
}
/* 确保验证码图片也在最顶层 */
#showlogincode img {
position: relative;
z-index: 1000;
}
/* 调整登录按钮位置 */
#loginbtn {
background: url(../images/login_user_submit.gif) 0 0 no-repeat;
border: none;
width: 111px;
height: 122px;
text-indent: -9999px;
cursor: pointer;
position: absolute;
top: 120px;
left: 410px; /* 原来是380px，向右移动 */
}
</style>
</head>
<body>
<div id="container">
<form id="loginform" name="loginform" method="post">
<div class="loginuser"><label for="loginuser">用户帐号：</label><input type="text" id="loginuser" name="loginuser" maxlength="50" autocomplete="off" placeholder="输入用户帐号" /></div>
<div class="loginpwd"><label for="loginpwd">用户密码：</label><input type="password" id="loginpwd" name="loginpwd" maxlength="50" autocomplete="off" placeholder="输入用户密码" /></div>
<div class="logincode"><label for="logincode">验 证 码：</label><input type="text" id="logincode" name="logincode" maxlength="5" autocomplete="off" placeholder="输入验证码"/><span id="showlogincode"></span></div>
<div><input type="submit" id="loginbtn" name="loginbtn" value="登陆" /></div>
<div id="formmsg"></div>
</form>
<div id="copyright">Copyright © Mietubl All Rights Reserved</div>
</div>
</body>
</html>