获取个十百等

static  int  baiwei(int i){
    String s = Integer.toString(i);
    int numericValue = Character.getNumericValue(s.charAt(s.length() - 1));
    int numericValue2 = Character.getNumericValue(s.charAt(s.length() - 2));
    int numericValue3 = Character.getNumericValue(s.charAt(s.length() - 3));
                return numericValue2;
}