/***
* 比较两点坐标
*/
public int getXyCm(double x1,double y1,double x2, double y2,double x3 ,double y3) {


double a= Math.sqrt(Math.pow((x1-x2),2)+Math.pow((y1-y2),2));
System.out.println( Math.abs(a));
double b= Math.sqrt(Math.pow((x1-x3),2)+Math.pow((y1-y3),2));
System.out.println( Math.abs(b));
if(Math.abs(a)>Math.abs(b)) {
System.out.println("BBB");
return 1;
}else {
System.out.println("aaaa");
return 0;
}
}