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document.addEventListener("touchstart",function (){
event.preventDefault();
},false);
touch.on(obj,"",listener);
touch.on("#div1","drag",function (ev){
console.log(ev.x+","+ev.y); //移动的x/y轴距离
});
obj.style.webkitTransform = "scale("+ds+")";
//设置对于原来的放大/缩小倍数
touch.on("#div1","rotate",function (ev){
var newAngle=ev.rotation+angle; //ev.rotation 捕获当前旋转的角度
if (ev.fingerStatus == "end"){ //ev.fingerStatus 捕获当前手指状态（开始/运动/结束）
angle=newAngle;
}
this.style.webkitTransform="rotate("+newAngle+"deg)"; //设置变换角度
});
touch.on("#div1","touchstart",function (ev){
ev.startRotate(); //可以用单指来旋转
ev.preventDefault();
});
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原文地址：http://www.cnblogs.com/pan-hello/p/4563042.html
