CAD求两点之间的距离（网页版）
js代码如下：function PointDis() {var point1 = mxOcx.GetPoint(false,0,0,"\n 点取第一点:");
if(point1 == null)
{
alert("用户取消");
return;
}
var point2 = mxOcx.GetPoint(true,point1.x,point1.y,"\n 点取第二点:");
if(point1 == null)
{
alert("用户取消");
return;
}
var dDis=Math.abs((point1.x - point2.x) * (point1.x - point2.x)
+ (point1.y - point2.y) * (point1.y - point2.y));
alert("两点距离:" + dDis.toString());
}
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