demo
<?php// 检查系统是否已安装（使用绝对路径检查）$basePath = dirname(__DIR__);if (!file_exists($basePath . '/config/database.php') || !file_exists($basePath . '/includes/init.php')) { // 系统未安装，重定向到安装向导 header('Location: ../install/'); exit();}
session_start();
// 检查是否已登录if (!isset($_SESSION['admin_id'])) { header('Location: index.php'); exit();}
// 包含初始化文件require_once '../includes/init.php';
$error = '';$success = '';
// 获取当前配置$upload_max_size = get_system_config('upload_max_size', 2097152);$default_algorithm = get_system_config('default_algorithm', 'enphp');$points_per_encrypt = get_system_config('points_per_encrypt', 10);$points_per_decrypt = get_system_config('points_per_decrypt', 5);$registration_points = get_system_config('registration_points', 100);$site_name = get_system_config('site_name', 'PHP加密解密系统');
// 支持的加密算法$algorithms = [ 'eval' => 'Eval加密', 'goto' => 'Goto加密', 'enphp' => 'EnPHP加密', 'enphpv2' => 'EnPHP V2加密', 'jiamiZym' => 'JiamiZym加密', 'magicTwo' => 'MagicTwo加密', 'noname1' => 'NoName1加密', 'phpjm' => 'PHPJM加密', 'phpjm2' => 'PHPJM2加密'];
if ($_SERVER['REQUEST_METHOD'] === 'POST') { $upload_max_size = (int)$_POST['upload_max_size']; $default_algorithm = $_POST['default_algorithm']; $points_per_encrypt = (int)$_POST['points_per_encrypt']; $points_per_decrypt = (int)$_POST['points_per_decrypt']; $registration_points = (int)$_POST['registration_points']; $site_name = $_POST['site_name']; try { // 更新配置 update_system_config('upload_max_size', $upload_max_size); update_system_config('default_algorithm', $default_algorithm); update_system_config('points_per_encrypt', $points_per_encrypt); update_system_config('points_per_decrypt', $points_per_decrypt); update_system_config('registration_points', $registration_points); update_system_config('site_name', $site_name); $success = '系统配置更新成功！'; } catch (Exception $e) { $error = '更新配置时出错: ' . $e->getMessage(); }}?><!DOCTYPE html><html lang="zh-CN"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>系统设置 - PHP加密解密系统</title> <link rel="stylesheet" href="../assets/style.css"></head><body> <div class="container"> <div class="sidebar"> <h2>管理后台</h2> <ul> <li><a href="dashboard.php">仪表板</a></li> <li><a href="users.php">用户管理</a></li> <li><a href="cards.php">卡密管理</a></li> <li><a href="settings.php" class="active">系统设置</a></li> <li><a href="encrypt.php">加密功能</a></li> <li><a href="decrypt.php">解密功能</a></li> <li><a href="logout.php">退出登录</a></li> </ul> </div> <div class="main-content"> <div class="header"> <h1>系统设置</h1> <div>欢迎，<?php echo htmlspecialchars($_SESSION['admin_username']); ?> | <a href="logout.php">退出</a></div> </div> <div class="content"> <h2>系统配置</h2> <?php if ($error): ?> <div class="error"><?php echo htmlspecialchars($error); ?></div> <?php endif; ?> <?php if ($success): ?> <div class="success"><?php echo htmlspecialchars($success); ?></div> <?php endif; ?> <form method="POST"> <div class="form-group"> <label for="site_name">网站名称:</label> <input type="text" id="site_name" name="site_name" value="<?php echo htmlspecialchars($configs['site_name']); ?>" required> </div> <div class="form-group"> <label for="upload_max_size">上传文件大小限制 (字节):</label> <input type="number" id="upload_max_size" name="upload_max_size" value="<?php echo htmlspecialchars($configs['upload_max_size']); ?>" required> <small>当前值约为 <?php echo round($configs['upload_max_size'] / 1024 / 1024, 2); ?> MB</small> </div> <div class="form-group"> <label for="default_algorithm">默认加密算法:</label> <select id="default_algorithm" name="default_algorithm"> <?php foreach ($algorithms as $key => $name): ?> <option value="<?php echo $key; ?>" <?php echo ($configs['default_algorithm'] === $key) ? 'selected' : ''; ?>> <?php echo htmlspecialchars($name); ?> </option> <?php endforeach; ?> </select> </div> <div class="form-group"> <label for="points_per_encrypt">每次加密消耗积分:</label> <input type="number" id="points_per_encrypt" name="points_per_encrypt" value="<?php echo htmlspecialchars($configs['points_per_encrypt']); ?>" min="0" required> </div> <div class="form-group"> <label for="points_per_decrypt">每次解密消耗积分:</label> <input type="number" id="points_per_decrypt" name="points_per_decrypt" value="<?php echo htmlspecialchars($configs['points_per_decrypt']); ?>" min="0" required> </div> <div class="form-group"> <label for="registration_points">注册赠送积分:</label> <input type="number" id="registration_points" name="registration_points" value="<?php echo htmlspecialchars($configs['registration_points']); ?>" min="0" required> </div> <button type="submit" class="btn btn-success">保存设置</button> </form> </div> </div> </div></body></html>