feat: 实现应用标签管理功能
- 新增标签管理页面，支持标签的增删改查 - 在应用添加/编辑页面增加标签选择功能 - 在首页和应用详情页展示标签信息 - 新增标签筛选功能，支持按标签搜索应用 - 新增标签展示页面，展示所有标签及相关应用
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118
index.php
118
index.php
@@ -1,7 +1,10 @@
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<?php
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session_start();
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require_once 'config.php';
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?>
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if (!isset($conn) || !$conn instanceof mysqli) {
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die('数据库连接失败，请检查配置文件。');
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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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@@ -31,23 +34,53 @@ require_once 'config.php';
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<div class="collapse navbar-collapse" id="navbarNav">
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<ul class="navbar-nav">
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<li class="nav-item">
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<a class="nav-link active" aria-current="page" href="#">首页</a>
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<a class="nav-link" href="index.php">首页</a>
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</li>
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<?php if (isset($_SESSION['admin'])): ?>
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<li class="nav-item">
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<a class="nav-link" href="/admin/">管理</a>
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</li>
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<?php endif; ?>
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<li class="nav-item">
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<a class="nav-link" href="tags.php">标签</a>
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</li>
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</ul>
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</div>
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</div>
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</nav>
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<div class="container mt-4">
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<form method="get" action="index.php" class="mb-4">
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<div class="input-group">
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<input type="text" name="search" class="form-control" placeholder="搜索应用..." value="<?php echo isset($_GET['search']) ? htmlspecialchars($_GET['search']) : ''; ?>">
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<button class="btn btn-primary" type="submit">搜索</button>
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<form method="get" action="index.php" class="mb-4" onsubmit="return validateSearch();">
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<script>
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function validateSearch() {
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const searchInput = document.querySelector('input[name="search"]');
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if (searchInput.value.trim() === '') {
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alert('请填写搜索名称后再进行搜索！');
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return false;
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}
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return true;
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}
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</script>
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<div class="row g-3">
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<div class="col-md-6">
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<input type="text" name="search" class="form-control" placeholder="搜索应用..." value="<?php echo isset($_GET['search']) ? htmlspecialchars($_GET['search']) : ''; ?>">
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</div>
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<div class="col-md-4">
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<select name="tag" class="form-select">
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<option value="">所有标签</option>
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<?php
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$tagResult = $conn->query("SELECT id, name FROM tags ORDER BY name");
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$selectedTag = isset($_GET['tag']) ? $_GET['tag'] : '';
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while ($tag = $tagResult->fetch_assoc()):
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$selected = ($tag['id'] == $selectedTag) ? 'selected' : '';
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?>
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<option value="<?php echo $tag['id']; ?>" <?php echo $selected; ?>><?php echo htmlspecialchars($tag['name']); ?></option>
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<?php endwhile; ?>
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</select>
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</div>
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<div class="col-md-2">
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<button class="btn btn-primary w-100" type="submit">搜索</button>
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</div>
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</div>
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</form>
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<h1>最新应用</h1>
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@@ -55,26 +88,83 @@ require_once 'config.php';
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<!-- 这里将通过PHP动态加载应用列表 -->
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<?php
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$search = isset($_GET['search']) ? $_GET['search'] : '';
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$limit = isset($_GET['limit']) ? intval($_GET['limit']) : 12;
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$offset = isset($_GET['page']) ? (intval($_GET['page']) - 1) * $limit : 0;
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$sql = "SELECT apps.id, apps.name, apps.description, apps.age_rating, AVG(reviews.rating) as avg_rating
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FROM apps
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LEFT JOIN reviews ON apps.id = reviews.app_id ";
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if (!empty($search)) {
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$sql .= "WHERE apps.name LIKE ? OR apps.description LIKE ? ";
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$conditions = [];
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$params = [];
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$paramTypes = '';
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// 标签筛选
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if (!empty($_GET['tag'])) {
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$sql .= "JOIN app_tags ON apps.id = app_tags.app_id
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JOIN tags ON app_tags.tag_id = tags.id ";
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$conditions[] = "app_tags.tag_id = ?";
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$tagId = $_GET['tag'];
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$params[] = &$tagId;
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$paramTypes .= 'i';
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}
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// 平台筛选
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if (!empty($_GET['platform'])) {
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$conditions[] = "apps.platform = ?";
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$platform = $_GET['platform'];
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$params[] = &$platform;
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$paramTypes .= 's';
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}
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// 年龄分级筛选
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if (!empty($_GET['age_rating'])) {
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$conditions[] = "apps.age_rating = ?";
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$ageRating = $_GET['age_rating'];
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$params[] = &$ageRating;
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$paramTypes .= 's';
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}
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// 搜索关键词筛选
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if (!empty($search)) {
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$conditions[] = "(apps.name LIKE ? OR apps.description LIKE ?)";
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$searchTerm1 = "%$search%";
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$searchTerm2 = "%$search%";
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$params[] = &$searchTerm1;
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$params[] = &$searchTerm2;
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$paramTypes .= 'ss';
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}
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// 添加条件
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if (!empty($conditions)) {
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$sql .= "WHERE " . implode(" AND ", $conditions);
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}
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$sql .= "GROUP BY apps.id
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ORDER BY apps.created_at DESC
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LIMIT 12";
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if (!empty($search)) {
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LIMIT ? OFFSET ?";
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$limitVal = $limit;
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$offsetVal = $offset;
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$params[] = &$limitVal;
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$params[] = &$offsetVal;
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// 添加分页参数类型
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$paramTypes .= 'ii';
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// 执行查询
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if (!empty($params)) {
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$stmt = $conn->prepare($sql);
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$searchTerm = "%$search%";
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$stmt->bind_param("ss", $searchTerm, $searchTerm);
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$stmt->execute();
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if (!$stmt) {
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die('预处理语句失败: ' . $conn->error);
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}
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call_user_func_array([$stmt, 'bind_param'], array_merge([$paramTypes], $params));
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if (!$stmt->execute()) {
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die('执行语句失败: ' . $stmt->error);
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}
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$result = $stmt->get_result();
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} else {
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$result = $conn->query($sql);
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if (!$result) {
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die('查询失败: ' . $conn->error);
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}
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}
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if ($result->num_rows > 0) {
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