andriod Java中度转度分秒

public String trandu2m(double d) { //gisoracle 编号
    try {
        //double dd = Convert.ToDouble(str);

        String str = "" + d;

        int p = str.indexOf(".");
        int dt = Integer.parseInt(str.substring(0, p));
        d = d - dt;
        double M = d * 60;
        int mt = (int) M;
        M = (M - mt) * 60;
        if (Math.abs(M - 60) < 0.001) {
            M = 0;
            mt = mt + 1;

        }
        if (mt == 60) {
            dt = dt + 1;
            mt = 0;
        }

        return ""+dt+"°"+mt+"′"+M+"″";
    } catch(Exception e)  {
        return  e.getMessage();
    }

}