mc256/qr-download.php

## qr-download.php
<?php
// 地址配置
$iOSAPPStoreLink = '[iOS APP Store Link here]';
$AndroidLink = '[APK Link here]';

function redirect($url) {
	header('Location: ' . $url);
	exit();
}

// 获取UA
$userAgent = $_SERVER['HTTP_USER_AGENT'];

// 检测
$is_iOS = !!preg_match('/(iPad|iPhone|iPod)/i', $userAgent);
$is_Android = false !== strpos($userAgent, 'Android');
$is_MicroMessenger = false !== strpos($userAgent, 'MicroMessenger');

if ($is_iOS) {
	redirect($iOSAPPStoreLink);
} else if ($is_Android) {
	if (!$is_MicroMessenger) {
		redirect($AndroidLink);
	}
?>
<!DOCTYPE html>
<html lang="en">
<head>
	<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
	<meta charset="UTF-8">
	<title>移动客户端下载</title>
	<style>
		body {
			background: #f0f0f0;
			color: #333;
			text-shadow: 1px 1px 0 #fff;
			-webkit-text-shadow: 1px 1px 0 #fff;
			font-size: 16px;
			text-align: center;
			line-height: 2;
			padding-top: 40px;
		}
	</style>
</head>
<body>
您当前正在使用微信扫一扫<br>请点击右上角菜单选择“在浏览器中打开”
</body>
</html>
<?php
} else {
	redirect('[APP Description Page Link here]');
}
	<?php
	// 地址配置
	$iOSAPPStoreLink = '[iOS APP Store Link here]';
	$AndroidLink = '[APK Link here]';

	function redirect($url) {
	header('Location: ' . $url);
	exit();
	}

	// 获取UA
	$userAgent = $_SERVER['HTTP_USER_AGENT'];

	// 检测
	$is_iOS = !!preg_match('/(iPad\|iPhone\|iPod)/i', $userAgent);
	$is_Android = false !== strpos($userAgent, 'Android');
	$is_MicroMessenger = false !== strpos($userAgent, 'MicroMessenger');

	if ($is_iOS) {
	redirect($iOSAPPStoreLink);
	} else if ($is_Android) {
	if (!$is_MicroMessenger) {
	redirect($AndroidLink);
	}
	?>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
	<meta charset="UTF-8">
	<title>移动客户端下载</title>
	<style>
	body {
	background: #f0f0f0;
	color: #333;
	text-shadow: 1px 1px 0 #fff;
	-webkit-text-shadow: 1px 1px 0 #fff;
	font-size: 16px;
	text-align: center;
	line-height: 2;
	padding-top: 40px;
	}
	</style>
	</head>
	<body>
	您当前正在使用微信扫一扫<br>请点击右上角菜单选择“在浏览器中打开”
	</body>
	</html>
	<?php
	} else {
	redirect('[APP Description Page Link here]');
	}