144 lines
3.9 KiB
PHP
144 lines
3.9 KiB
PHP
<?php
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session_start();
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require_once '../includes/db.php';
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// 如果已登录，跳转到管理面板
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if (isset($_SESSION['admin_logged_in']) && $_SESSION['admin_logged_in'] === true) {
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header('Location: dashboard.php');
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exit;
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}
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$error = '';
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// 处理登录请求
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$username = $_POST['username'] ?? '';
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$password = $_POST['password'] ?? '';
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// 从数据库验证用户
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$stmt = $db->prepare("SELECT * FROM users WHERE username = ?");
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$stmt->execute([$username]);
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$user = $stmt->fetch(PDO::FETCH_ASSOC);
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if ($user && password_verify($password, $user['password'])) {
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$_SESSION['admin_logged_in'] = true;
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$_SESSION['username'] = $username;
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$_SESSION['user_id'] = $user['id'];
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header('Location: dashboard.php');
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exit;
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} else {
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$error = '用户名或密码错误';
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}
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}
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?>
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>管理后台登录</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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min-height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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}
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.login-container {
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background: #fff;
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border-radius: 16px;
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padding: 40px;
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box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
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width: 100%;
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max-width: 400px;
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}
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h1 {
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font-size: 24px;
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color: #333;
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margin-bottom: 30px;
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text-align: center;
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}
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.form-group {
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margin-bottom: 20px;
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}
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label {
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display: block;
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color: #666;
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font-size: 14px;
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margin-bottom: 8px;
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}
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input[type="text"],
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input[type="password"] {
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width: 100%;
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padding: 12px 16px;
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border: 1px solid #ddd;
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border-radius: 8px;
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font-size: 14px;
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transition: border-color 0.3s;
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}
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input[type="text"]:focus,
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input[type="password"]:focus {
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outline: none;
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border-color: #667eea;
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}
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button {
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width: 100%;
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padding: 12px;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: #fff;
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border: none;
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border-radius: 8px;
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font-size: 16px;
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font-weight: 500;
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cursor: pointer;
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transition: transform 0.2s;
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}
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button:hover {
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transform: translateY(-2px);
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}
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button:active {
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transform: translateY(0);
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}
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.error {
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background: #fee;
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color: #c33;
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padding: 12px;
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border-radius: 8px;
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font-size: 14px;
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margin-bottom: 20px;
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text-align: center;
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}
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</style>
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</head>
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<body>
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<div class="login-container">
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<h1>管理后台登录</h1>
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<?php if ($error): ?>
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<div class="error"><?php echo htmlspecialchars($error); ?></div>
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<?php endif; ?>
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<form method="POST">
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<div class="form-group">
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<label>用户名</label>
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<input type="text" name="username" required autofocus>
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</div>
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<div class="form-group">
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<label>密码</label>
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<input type="password" name="password" required>
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</div>
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<button type="submit">登录</button>
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</form>
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</div>
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</body>
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</html>
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