JavaScript+H5實(shí)現(xiàn)微信搖一搖功能
項(xiàng)目終于如約上線,但是在春節(jié)前又有一個(gè)新的活動(dòng)要做,類似微信的搖一搖活動(dòng)。也一直在做微信公眾號(hào)的東西,但是要調(diào)用微信搖一搖的接口還是有些困難,因?yàn)橹惶峁┝藫u一搖周邊,附近的人以及一系列的紅包頁面,相對(duì)于我們的需求只需要搖一搖這個(gè)動(dòng)作卻是大相徑庭。
其實(shí)H5+JavaScript寫出來的頁面,通過獲取手機(jī)的屏幕長(zhǎng)和寬,以及添加聲音等就可以實(shí)現(xiàn)搖一搖的效果。

第一步,實(shí)現(xiàn)手機(jī)搖動(dòng)改變顏色
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0"/>
<title>HTML5 手機(jī)搖一搖</title>
<script type="text/javascript">
var color = new Array('#fff', '#ff0', '#f00', '#000', '#00f', '#0ff');
if(window.DeviceMotionEvent) {
var speed = 25;
var x = y = z = lastX = lastY = lastZ = 0;
window.addEventListener('devicemotion', function(){
var acceleration =event.accelerationIncludingGravity;
x = acceleration.x;
y = acceleration.y;
if(Math.abs(x-lastX) > speed || Math.abs(y-lastY) > speed) {
document.body.style.backgroundColor = color[Math.round(Math.random()*10)%6];
}
lastX = x;
lastY = y;
}, false);
}
</script>
</head>
<body>
手機(jī)搖一搖,改變屏幕顏色。
</body>
</html>
主要是手機(jī)的DeviceMotionEvent事件
第二步,微信搖一搖手勢(shì)
相對(duì)于第一步就是增加了搖一搖手勢(shì),改變了搖動(dòng)事件。在搖一搖動(dòng)作之后再添加自己想要的方法即可,無論是想要進(jìn)入下一個(gè)自己做的頁面還是觸發(fā)一個(gè)Controller事件都可以。
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0">
<title>搖一搖</title>
<link rel="stylesheet" href="plug-in/liuliangbao/shake/css/shake.css" rel="external nofollow" >
<link rel="stylesheet" href="plug-in/liuliangbao/shake/css/myDialog.css" rel="external nofollow" >
<script type="text/javascript" src="plug-in/liuliangbao/shake/js/jquery.min.js"></script>
<script type="text/javascript" src="plug-in/liuliangbao/shake/js/howler.min.js"></script>
<script type="text/javascript" src="plug-in/liuliangbao/shake/js/fastclick.js"></script>
<script type="text/javascript" src="plug-in/liuliangbao/shake/js/myDialog.js"></script>
<script type="text/javascript">
var SHAKE_THRESHOLD = 1000;
var last_update = 0;
var last_time = 0;
var x;
var y;
var z;
var last_x;
var last_y;
var last_z;
var sound = new Howl({ urls: ['/shake/sound/shake_sound.mp3'] }).load();
var findsound = new Howl({ urls: ['/shake/sound/shake_match.mp3'] }).load();
var curTime;
var isShakeble = true;
function init() {
if (window.DeviceMotionEvent) {
window.addEventListener('devicemotion', deviceMotionHandler, false);
} else {
$("#cantshake").show();
}
}
function deviceMotionHandler(eventData) {
curTime = new Date().getTime();
var diffTime = curTime - last_update;
if (diffTime > 100) {
var acceleration = eventData.accelerationIncludingGravity;
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 && curTime - last_time > 1100 && $("#loading").attr('class') == "loading" && isShakeble) {
shake();
}
last_x = x;
last_y = y;
last_z = z;
}
}
function shake() {
last_time = curTime;
$("#loading").attr('class','loading loading-show');
$("#shakeup").animate({ top: "10%" }, 700, function () {
$("#shakeup").animate({ top: "25%" }, 700, function () {
$("#loading").attr('class','loading');
findsound.play();
//在此為搖動(dòng)之后的事件,這里為調(diào)用ControllergoShakeResult方法
window.location.href = "shakeController.do?goShakeResult&phoneNumber=${phoneNumber}&hdid=${hdid}&openid=${openid}";
});
});
$("#shakedown").animate({ top: "40%" }, 700, function () {
$("#shakedown").animate({ top: "25%" }, 700, function () {
});
});
sound.play();
}
//各種初始化
$(document).ready(function () {
Howler.iOSAutoEnable = false;
FastClick.attach(document.body);
init();
});
</script>
</head>
<body>
<table id="container">
<tbody>
<tr>
<td class="container" colspan="2">
<div id="shake">
<img src="plug-in/liuliangbao/shake/images/inner.png" class="inner">
<img src="plug-in/liuliangbao/shake/images/shake.png" class="shake_up" id="shakeup">
<img src="plug-in/liuliangbao/shake/images/shake.png" class="shake_down" id="shakedown">
</div><div id="loading" class="loading"></div>
</td>
</tr>
<tr>
<td>
您今天還可以搖<input id="shakeCount" name="shakeCount" value="${leftcount}">次
</td>
</tr>
<tr>
<td>正確姿勢(shì):握緊手機(jī),用力搖動(dòng)3秒,苦練18年的麒麟臂終于派上用場(chǎng)了。</td>
</tr>
</tbody>
</table>
</body>
</html>
有時(shí)候真的可以換一種方法去實(shí)現(xiàn)自己想要的功能。附圖:demo本來實(shí)現(xiàn)的效果是:

改版之后

以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。
相關(guān)文章
JavaScript數(shù)據(jù)結(jié)構(gòu)之單鏈表和循環(huán)鏈表
這篇文章主要介紹了JavaScript數(shù)據(jù)結(jié)構(gòu)之單鏈表、循環(huán)鏈表,詳細(xì)的介紹了JavaScript如何實(shí)現(xiàn)單鏈表、循環(huán)鏈表,有興趣的可以了解一下2017-11-11
js實(shí)現(xiàn)綠白相間豎向網(wǎng)頁百葉窗動(dòng)畫切換效果
后臺(tái)獲取ZTREE選中節(jié)點(diǎn)的方法
Javascript的表單驗(yàn)證-初識(shí)正則表達(dá)式
JS實(shí)現(xiàn)金額轉(zhuǎn)換(將輸入的阿拉伯?dāng)?shù)字)轉(zhuǎn)換成中文的實(shí)現(xiàn)代碼

