php漂浮广告代码

<?php
// 广告内容
$adContent = "这是一个漂浮广告！";

// 广告位置
$x = rand(1, 800);
$y = rand(1, 600);

// 输出HTML和JavaScript代码
echo "<div id='ad' style='position: absolute; top: $y; left: $x;'>";
echo "<a href='https://example.com'>点击这里</a>";
echo "<p>$adContent</p>";
echo "</div>";

echo "<script>";
echo "window.onload = function() {";
echo "var ad = document.getElementById('ad');";
echo "var x = window.innerWidth;";
echo "var y = window.innerHeight;";
echo "ad.style.top = (Math.random() * (y - 100)) + 'px';";
echo "ad.style.left = (Math.random() * (x - 200)) + 'px';";
echo "};";
echo "window.onresize = function() {";
echo "var ad = document.getElementById('ad');";
echo "var x = window.innerWidth;";
echo "var y = window.innerHeight;";
echo "ad.style.top = (Math.random() * (y - 100)) + 'px';";
echo "ad.style.left = (Math.random() * (x - 200)) + 'px';";
echo "};";
echo "</script>";
?>