wap尝试调取app（网易新闻为例）

<!DOCTYPE html>

<html>

	<head>

		<meta charset="UTF-8">

		<title>调起网易新闻app</title>

		<meta http-equiv="X-UA-Compatible" content="IE=edge">

		<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, minimal-ui">

		<meta name="apple-mobile-web-app-capable" content="yes">

		<meta content="yes" name="apple-touch-fullscreen">

		<meta name="apple-mobile-web-app-status-bar-style" content="black">

		<meta name="format-detection" content="telephone=no" />

		<style>

			a {

				display: block;

				width: ;

				text-decoration: none;

				background-color: #20A0FF;

				text-align: center;

				height: 2rem;

				line-height: 2rem;

				margin: 3rem auto;

			}

		</style>

	</head>

	<body>

		<a id="openApp">使用网易新闻客户端打开</a>

		<script>

			var s = document.getElementById("openApp");

			s.onclick = function() {

				var url = 'newsapp://topic/S1515729142180?s=jiguang&spsug=ug&spsugdate=0&spsugextend=0';

				testApp(url);

			}

			function testApp(url) {

				var timeout, hasApp = true;

				var t1 = Date.now();

				var ifr = document.createElement("iframe");

				ifr.setAttribute('src', url);

				ifr.style.display = "none";

				document.body.appendChild(ifr);

				timeout = setTimeout(function() {

					var t2 = Date.now();

					if(t2 - t1 < 2000) {

						hasApp = false;

						if(is_IOS()) {

							location.href = "http://3g.163.com/links/4633";

							return;

						}

						location.href = "http://3g.163.com/links/4636";

					}

				}, 1000);

				location.href = url;

			}

			function is_IOS() {

				var userAgent = 'navigator' in window && 'userAgent' in navigator && navigator.userAgent.toLowerCase() || '';

				if(/iphone/i.test(userAgent) || /ipad/i.test(userAgent) || /ipod/i.test(userAgent)) {

					return true

				} else {

					return false;

				};

			}

		</script>

	</body>

</html>
巴特西

wap尝试调取app（网易新闻为例）

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