这篇“怎么用JavaScript+H5实现微信摇一摇功能”文章的知识点大部分人都不太理解，所以小编给大家总结了以下内容，内容详细，步骤清晰，具有一定的借鉴价值，希望大家阅读完这篇文章能有所收获，下面我们一起来看看这篇“怎么用JavaScript+H5实现微信摇一摇功能”文章吧。
第一步，实现手机摇动改变颜色
<!doctype html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width,initial-scale=1.0"/> <title>HTML5 手机摇一摇</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> 手机摇一摇，改变屏幕颜色。 </body> </html>主要是手机的DeviceMotionEvent事件
第二步，微信摇一摇手势
相对于第一步就是增加了摇一摇手势，改变了摇动事件。在摇一摇动作之后再添加自己想要的方法即可，无论是想要进入下一个自己做的页面还是触发一个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>摇一摇</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 () { $("#loading").attr('class','loading'); findsound.play(); //在此为摇动之后的事件，这里为调用ControllergoShakeResult方法 window.location.href = "shakeController.do?goShakeResult&phoneNumber=${phoneNumber}&hdid=${hdid}&openid=${openid}"; }); }); $("#shakedown").animate({ top: "40%" }, 700, function () { $("#shakedown").animate({ top: "25%" }, 700, function () { }); }); sound.play(); } //各种初始化 $(document).ready(function () { Howler.iOSAutoEnable = false; FastClick.attach(document.body); init(); }); </script> </head> <body> <table id="container"> <tbody> <tr> <td class="container" colspan="2"> <div id="shake"> <img src="plug-in/liuliangbao/shake/images/inner.png" class="inner"> <img src="plug-in/liuliangbao/shake/images/shake.png" class="shake_up" id="shakeup"> <img src="plug-in/liuliangbao/shake/images/shake.png" class="shake_down" id="shakedown"> </div><div id="loading" class="loading"></div> </td> </tr> <tr> <td> 您今天还可以摇<input id="shakeCount" name="shakeCount" value="${leftcount}">次 </td> </tr> <tr> <td>正确姿势：握紧手机，用力摇动3秒，苦练18年的麒麟臂终于派上用场了。</td> </tr> </tbody> </table> </body> </html>有时候真的可以换一种方法去实现自己想要的功能。附图：demo本来实现的效果是:
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