HTML5实现手机摇一摇的功能
利用html5实现类似微信的手机摇一摇功能，并播放音乐。
1、 deviceOrientation：封装了方向传感器数据的事件，可以获取手机静止状态下的方向数据，例如手机所处角度、方位、朝向等。
2、 deviceMotion：封装了运动传感器数据的事件，可以获取手机运动状态下的运动加速度等数据。
js如下：
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<scirpt>var SHAKE_THRESHOLD = 3000;
var last_update = 0;
var x = y = z = last_x = last_y = last_z = 0;
function init() {
if (window.DeviceMotionEvent) {
window.addEventListener('devicemotion', deviceMotionHandler, false);
} else {
alert('not support mobile event');
}
}function deviceMotionHandler(eventData) {
var acceleration = eventData.accelerationIncludingGravity;
var curTime = new Date().getTime();
if ((curTime - last_update) > 100) {
var diffTime = curTime - last_update;
last_update = curTime;
x = acceleration.x;
y = acceleration.y;
z = acceleration.z;
var speed = Math.abs(x + y + z - last_x - last_y - last_z) / diffTime * 10000;
if (speed > SHAKE_THRESHOLD) {//一检测到摇动了，就5秒后跳转（此期间播放摇一摇的声音）
alert("摇动了");
media.setAttribute("src", "http://dx.sc.chinaz.com/files/download/sound1/201410/5018.wav");
media.load();
media.play();
setTimeout(function(){location.href='http://www.baidu.com';},5000);}
}
last_x = x;
last_y = y;
last_z = z;
}
}</script> |
html5页面如下：
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<!DOCTYPE html><html>
<head>
<meta charset="utf-8" />
<title>HTML5实现手机摇一摇的功能</title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<meta name="Keywords" content="" />
<meta name="Description" content="" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<!-- Mobile Devices Support @begin -->
<meta content="application/xhtml+xml;charset=UTF-8" http-equiv="Content-Type">
<meta content="no-cache,must-revalidate" http-equiv="Cache-Control">
<meta content="no-cache" http-equiv="pragma">
<meta content="0" http-equiv="expires">
<meta content="telephone=no, address=no" name="format-detection">
<meta content="width=device-width, initial-scale=1.0" name="viewport">
<meta name="apple-mobile-web-app-capable" content="yes" /> <!-- apple devices fullscreen -->
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<!-- Mobile Devices Support @end -->
<meta content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport">
<link rel="shortcut icon" href="favicon.ico" />
<link rel="stylesheet" type="text/css" href="css/style.css" media="all" />
<script src="js/jquery-1.8.2.min.js" type="text/javascript"></script>
</head>
<body onLoad="init()">
<img src="images/bg.jpg" width="99%">
</body>
</html>
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在手机上试试....
OR
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<!DOCTYPE html><html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>摇一摇功能</title>
<script type="text/javascript">
//Javascript
</script>
</head>
<body onLoad="init()">
<p>用力摇一摇你手机</p>
<audio src="1.mp3" controls="controls" loop id="audioBtn" style="display:none;opacity:0; height:0px; width:0px;"></audio>
</body>
</html>
<script>
var SHAKE_THRESHOLD = 3000; var last_update = 0; var x = y = z = last_x = last_y = last_z = 0; function init() { if (window.DeviceMotionEvent) {
window.addEventListener('devicemotion', deviceMotionHandler, false);
} else {
alert('not support mobile event');
}
} function deviceMotionHandler(eventData) { var acceleration = eventData.accelerationIncludingGravity;
var curTime = new Date().getTime();
if ((curTime - last_update) > 50) {
var diffTime = curTime - last_update;
last_update = curTime;
x = acceleration.x;
y = acceleration.y;
z = acceleration.z;
var speed = Math.abs(x + y + z - last_x - last_y - last_z) / diffTime * 10000;
if (speed > SHAKE_THRESHOLD) {
document.getElementById('audioBtn').play();
setTimeout(function(){location.href='http://www.qq.com';},5000);
}
last_x = x;
last_y = y;
last_z = z;
}
}</script>
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本文转自许琴 51CTO博客，原文链接：http://blog.51cto.com/xuqin/1665074，如需转载请自行联系原作者