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admin.php
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<?php
session_start();
if (!isset($_SESSION['admin_logged_in']) || $_SESSION['admin_logged_in'] !== true) {
header('Location: login.php');
exit;
}
require_once 'db_connect.php';
// 只保留一次 get_base_url() 函数的定义
function get_base_url() {
$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http";
$host = $_SERVER['HTTP_HOST'];
return $protocol . "://" . $host;
}
$base_url = get_base_url();
// 添加链接
if (isset($_POST['add'])) {
$category_id = $_POST['category_id'];
$title = $_POST['title'];
$url = $_POST['url'];
$icon = $_POST['icon'];
$stmt = $conn->prepare("INSERT INTO links (category_id, title, url, icon) VALUES (?, ?, ?, ?)");
$stmt->bind_param("isss", $category_id, $title, $url, $icon);
$stmt->execute();
}
// 删除链接
if (isset($_GET['delete'])) {
$id = $_GET['delete'];
$stmt = $conn->prepare("DELETE FROM links WHERE id = ?");
$stmt->bind_param("i", $id);
$stmt->execute();
}
// 修改链接
if (isset($_POST['edit'])) {
$id = $_POST['id'];
$category_id = $_POST['category_id'];
$title = $_POST['title'];
$url = $_POST['url'];
$icon = $_POST['icon'];
$stmt = $conn->prepare("UPDATE links SET category_id = ?, title = ?, url = ?, icon = ? WHERE id = ?");
$stmt->bind_param("isssi", $category_id, $title, $url, $icon, $id);
$stmt->execute();
}
// 获取所有分类
$categories = $conn->query("SELECT * FROM categories ORDER BY id")->fetch_all(MYSQLI_ASSOC);
// 获取选定分类的链接
$selected_category = isset($_GET['category']) ? $_GET['category'] : null;
if ($selected_category) {
$stmt = $conn->prepare("SELECT links.*, categories.name as category_name FROM links JOIN categories ON links.category_id = categories.id WHERE categories.slug = ?");
$stmt->bind_param("s", $selected_category);
$stmt->execute();
$links = $stmt->get_result()->fetch_all(MYSQLI_ASSOC);
} else {
$links = $conn->query("SELECT links.*, categories.name as category_name FROM links JOIN categories ON links.category_id = categories.id ORDER BY categories.id, links.id")->fetch_all(MYSQLI_ASSOC);
}
// 添加修改密码的处理逻辑
if (isset($_POST['change_password'])) {
$current_password = $_POST['current_password'];
$new_password = $_POST['new_password'];
$confirm_password = $_POST['confirm_password'];
// 验证当前密码
$stmt = $conn->prepare("SELECT password FROM admin_users WHERE username = ?");
$stmt->bind_param("s", $_SESSION['admin_username']);
$stmt->execute();
$result = $stmt->get_result();
$user = $result->fetch_assoc();
if (password_verify($current_password, $user['password'])) {
if ($new_password === $confirm_password) {
$hashed_password = password_hash($new_password, PASSWORD_DEFAULT);
$stmt = $conn->prepare("UPDATE admin_users SET password = ? WHERE username = ?");
$stmt->bind_param("ss", $hashed_password, $_SESSION['admin_username']);
$stmt->execute();
$password_message = "密码已成功更新。";
} else {
$password_error = "新密码和确认密码不匹配。";
}
} else {
$password_error = "当前密码不正确。";
}
}
?>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>WebNav Hub 管理</title>
<style>
body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 20px; }
.container { max-width: 800px; margin: 0 auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
th { background-color: #f2f2f2; }
form { margin-bottom: 20px; }
input[type="text"], select { width: 100%; padding: 8px; margin-bottom: 10px; }
input[type="submit"] { background: #333; color: #fff; padding: 10px 15px; border: none; cursor: pointer; }
input[type="submit"]:hover { background: #555; }
.category-filter { margin-bottom: 20px; }
.admin-actions { margin-top: 20px; }
.admin-actions a {
display: inline-block;
margin-right: 10px;
padding: 10px 15px;
background-color: #007bff;
color: white;
text-decoration: none;
border-radius: 5px;
}
.admin-actions a:hover { background-color: #0056b3; }
</style>
</head>
<body>
<div class="container">
<h1>WebNav Hub 管理</h1>
<!-- 添加管理操作区域 -->
<div class="admin-actions">
<a href="clean_database.php">清理数据库</a>
<a href="logout.php">退出登录</a>
</div>
<h2>添加新链接</h2>
<form method="post">
<select name="category_id" required>
<?php foreach ($categories as $category): ?>
<option value="<?= $category['id'] ?>"><?= $category['name'] ?></option>
<?php endforeach; ?>
</select>
<input type="text" name="title" placeholder="标题" required>
<input type="text" name="url" placeholder="URL" required>
<input type="text" name="icon" placeholder="图标类名" required>
<input type="submit" name="add" value="添加链接">
</form>
<h2>现有链接</h2>
<div class="category-filter">
<form method="get">
<select name="category" onchange="this.form.submit()">
<option value="">所有分类</option>
<?php foreach ($categories as $category): ?>
<option value="<?= $category['slug'] ?>" <?= $selected_category === $category['slug'] ? 'selected' : '' ?>><?= $category['name'] ?></option>
<?php endforeach; ?>
</select>
</form>
</div>
<table>
<tr>
<th>分类</th>
<th>标题</th>
<th>URL</th>
<th>图标</th>
<th>操作</th>
</tr>
<?php foreach ($links as $link): ?>
<tr>
<td><?= $link['category_name'] ?></td>
<td><?= $link['title'] ?></td>
<td><a href="<?= $base_url ?>/redirect.php?url=<?= urlencode($link['url']) ?>" target="_blank"><?= htmlspecialchars($link['url']) ?></a></td>
<td><?= $link['icon'] ?></td>
<td>
<a href="?delete=<?= $link['id'] ?>&category=<?= $selected_category ?>" onclick="return confirm('确定要删除吗？')">删除</a>
|
<a href="#" onclick="editLink(<?= htmlspecialchars(json_encode($link)) ?>)">编辑</a>
</td>
</tr>
<?php endforeach; ?>
</table>
</div>
<p><a href="<?php echo $base_url; ?>/logout.php">登出</a></p>
<script>
function editLink(link) {
var form = document.createElement('form');
form.method = 'post';
form.innerHTML = `
<input type="hidden" name="id" value="${link.id}">
<select name="category_id" required>
<?php foreach ($categories as $category): ?>
<option value="<?= $category['id'] ?>"${link.category_id == <?= $category['id'] ?> ? ' selected' : ''}><?= $category['name'] ?></option>
<?php endforeach; ?>
</select>
<input type="text" name="title" value="${link.title}" required>
<input type="text" name="url" value="${link.url}" required>
<input type="text" name="icon" value="${link.icon}" required>
<input type="submit" name="edit" value="保存修改">
`;
document.body.appendChild(form);
form.submit();
}
</script>
</body>
</html>