public void writeExcel(Map<Point, String> toWrite, String filename, int rowBegin, int rowEnd, int colBegin,
int colEnd) throws IOException, RowsExceededException, WriteException {
OutputStream os = new FileOutputStream(filename);
WritableWorkbook wwb = Workbook.createWorkbook(os);
WritableSheet ws = wwb.createSheet("fuck sf", 0);
int x, y;// ����������
int i, j;
for (i = rowBegin, x = 0; i < rowEnd; i++, x++) {
for (j = colBegin, y = 0; j < colEnd; j++, y++) {
String content = toWrite.get(new Point(j, i));