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首先对DeviceMotionEvent进行优化；

去除无用的代码，重新封装DeviceMotionEven

复制代码代码如下:

if(window.DeviceMotionEvent) {

var speed = 25;//定义一个数值

var x = y = z = lastX = lastY = lastZ = 0;//重置所有数值

window.addEventListener('devicemotion', function(){

var acceleration =event.accelerationIncludingGravity;//将传感值赋给acceleration

x = acceleration.x;

y = acceleration.y;

z = acceleration.z;

if(Math.abs(x-lastX) > speed || Math.abs(y-lastY) > speed ) {

// TODO:在此处可以实现摇一摇之后所要进行的数据逻辑操作

donghua();

}

lastX = x;

lastY = y;

lastZ = z;

}, false);

}

由于实际项目中有很多需求无法很好的实现，

比如：动画不执行完毕就不能继续执行DeviceMotionEvent事件；

所以做了进一步优化；

复制代码代码如下:

var f=1;

function donghua(){

//动画事件

$(".img").animate({left:'0',opacity:'1'},700,function(){f=1;});

});

if(window.DeviceMotionEvent) {

var speed = 25;//定义一个数值

var x = y = z = lastX = lastY = lastZ = 0;//重置所有数值

window.addEventListener('devicemotion', function(){

var acceleration =event.accelerationIncludingGravity;//将传感值赋给acceleration

x = acceleration.x;

y = acceleration.y;

z = acceleration.z;

if(Math.abs(x-lastX) > speed || Math.abs(y-lastY) > speed ) {

// TODO:在此处可以实现摇一摇之后所要进行的数据逻辑操作

if(f==1){

donghua();

f=0;

}

}

lastX = x;

lastY = y;

lastZ = z;

}, false);

}

现在就完美了

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