java经纬度距离换算，根据距离算经纬度差值

public class Map2 {
private final double PI = 3.14159265358979323; //圆周率
private final double R = 6371229;             //地球的半径

public double getDistance(double longt1, double lat1, double longt2, double lat2){
double x,y, distance;
x=(longt2-longt1)*PI*R*Math.cos( ((lat1+lat2)/2)*PI/180)/180;
y=(lat2-lat1)*PI*R/180;
distance=Math.hypot(x,y);
return distance;
}

public double getLongt(double longt1, double lat1, double distance){
double a = (180*distance)/(PI*R*Math.cos(lat1*PI/180));
return a;
}

public double getLat(double longt1, double lat1, double distance){
double a = (180*distance)/(PI*R*Math.cos(lat1*PI/180));
return a;
}

public static void main(String[] args){
Map2 m = new
Map2();
//      double s = m.getDistance(112.0235, 23.2563, 110.1235, 20.3563);
//      System.out.println(s);

double longt = m.getLongt(112.0235, 23.2563, 10227.5985);
System.out.println(longt);
double lat = m.getLat(112.0235, 23.2563, 11131.9859);
System.out.println(lat);
}
}