php实现看广告
PHP实现广告展示功能
在PHP中实现广告展示功能通常涉及广告管理、展示逻辑和统计跟踪。以下是几种常见方法:
数据库存储广告信息
创建广告数据表存储广告内容、展示次数、点击次数等信息:
CREATE TABLE ads (
id INT AUTO_INCREMENT PRIMARY KEY,
title VARCHAR(255),
image_url VARCHAR(255),
target_url VARCHAR(255),
impressions INT DEFAULT 0,
clicks INT DEFAULT 0,
start_date DATETIME,
end_date DATETIME,
is_active BOOLEAN DEFAULT 1
);
随机展示广告
从数据库获取有效广告并随机选择展示:
function getRandomAd() {
$currentDate = date('Y-m-d H:i:s');
$query = "SELECT * FROM ads
WHERE is_active = 1
AND start_date <= '$currentDate'
AND end_date >= '$currentDate'
ORDER BY RAND() LIMIT 1";
// 执行查询并返回结果
$result = mysqli_query($connection, $query);
return mysqli_fetch_assoc($result);
}
广告展示模板
在页面中嵌入广告展示代码:
$ad = getRandomAd();
if ($ad) {
echo '<div class="ad-container">';
echo '<a href="track_click.php?ad_id='.$ad['id'].'" target="_blank">';
echo '<img src="'.$ad['image_url'].'" alt="'.$ad['title'].'">';
echo '</a>';
echo '</div>';
// 更新展示次数
updateImpression($ad['id']);
}
点击跟踪功能
创建单独的点击跟踪脚本(track_click.php):
$adId = $_GET['ad_id'];
if (is_numeric($adId)) {
// 更新点击次数
$query = "UPDATE ads SET clicks = clicks + 1 WHERE id = $adId";
mysqli_query($connection, $query);
// 获取广告目标URL并重定向
$query = "SELECT target_url FROM ads WHERE id = $adId";
$result = mysqli_query($connection, $query);
$row = mysqli_fetch_assoc($result);
header("Location: ".$row['target_url']);
exit;
}
展示统计更新
更新广告展示次数的函数:
function updateImpression($adId) {
$query = "UPDATE ads SET impressions = impressions + 1 WHERE id = $adId";
mysqli_query($connection, $query);
}
使用第三方广告平台
集成Google AdSense等第三方广告服务:
function showGoogleAd() {
echo '<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<ins class="adsbygoogle"
style="display:block"
data-ad-client="YOUR_CA-PUB_ID"
data-ad-slot="YOUR_AD_SLOT"
data-ad-format="auto"
data-full-width-responsive="true"></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script>';
}
频率控制
实现广告展示频率控制:
function shouldShowAd($userId) {
$today = date('Y-m-d');
$query = "SELECT COUNT(*) as count FROM ad_views
WHERE user_id = $userId AND view_date = '$today'";
$result = mysqli_query($connection, $query);
$row = mysqli_fetch_assoc($result);
return $row['count'] < MAX_ADS_PER_DAY;
}
这些方法可以根据具体需求组合使用,实现完整的广告展示系统。对于高流量网站,建议使用缓存机制优化广告查询性能。







