short rownum;
// create a new file
FileOutputStream out = new FileOutputStream("workbook.xls");
// create a new workbook
HSSFWorkbook wb = new HSSFWorkbook();
// create a new sheet
HSSFSheet s = wb.createSheet();
// declare a row object reference
HSSFRow r = null;
// declare a cell object reference
HSSFCell c = null;
// create 3 cell styles
HSSFCellStyle cs = wb.createCellStyle();
HSSFCellStyle cs2 = wb.createCellStyle();
HSSFCellStyle cs3 = wb.createCellStyle();
// create 2 fonts objects
HSSFFont f = wb.createFont();
HSSFFont f2 = wb.createFont();
//set font 1 to 12 point type
f.setFontHeightInPoints((short) 12);
//make it red
f.setColor((short) HSSFColor.RED.index);
// make it bold
//arial is the default font
f.setBoldweight(f.BOLDWEIGHT_BOLD);
//set font 2 to 10 point type
f2.setFontHeightInPoints((short) 10);
//make it the color at palette index 0xf (white)
f2.setColor((short) HSSFColor.WHITE.index);
//make it bold
f2.setBoldweight(f2.BOLDWEIGHT_BOLD);
//set cell stlye
cs.setFont(f);
//set the cell format see HSSFDataFromat for a full list
cs.setDataFormat(HSSFDataFormat.getBuiltinFormat("($#,##0_);[Red]($#,##0)"));
//set a thin border
cs2.setBorderBottom(cs2.BORDER_THIN);
//fill w fg fill color
cs2.setFillPattern((short) HSSFCellStyle.SOLID_FOREGROUND);
// set foreground fill to red
cs2.setFillForegroundColor((short) HSSFColor.RED.index);
// set the font
cs2.setFont(f2);
// set the sheet name to HSSF Test
wb.setSheetName(0, "HSSF Test");
// create a sheet with 300 rows (0-299)
for (rownum = (short) 0; rownum < 300; rownum++)
{
// create a row
r = s.createRow(rownum);
// on every other row
if ((rownum % 2) == 0)
{
// make the row height bigger (in twips - 1/20 of a point)
r.setHeight((short) 0x249);
}
//r.setRowNum(( short ) rownum);
// create 50 cells (0-49) (the += 2 becomes apparent later
for (short cellnum = (short) 0; cellnum < 50; cellnum += 2)
{
// create a numeric cell
c = r.createCell(cellnum);
// do some goofy math to demonstrate decimals
c.setCellValue(rownum * 10000 + cellnum
+ (((double) rownum / 1000)
+ ((double) cellnum / 10000)));
// on every other row
if ((rownum % 2) == 0)
{
// set this cell to the first cell style we defined
c.setCellStyle(cs);
}
// create a string cell (see why += 2 in the
c = r.createCell((short) (cellnum + 1));
// set the cell's string value to "TEST"
c.setCellValue("TEST");
// make this column a bit wider
s.setColumnWidth((short) (cellnum + 1), (short) ((50 * 8) / ((double) 1 / 20)));
// on every other row
if ((rownum % 2) == 0)
{
// set this to the white on red cell style
// we defined above
c.setCellStyle(cs2);
}
}
}
//draw a thick black border on the row at the bottom using BLANKS
// advance 2 rows
rownum++;
rownum++;
r = s.createRow(rownum);
// define the third style to be the default
// except with a thick black border at the bottom
cs3.setBorderBottom(cs3.BORDER_THICK);
//create 50 cells
for (short cellnum = (short) 0; cellnum < 50; cellnum++)
{
//create a blank type cell (no value)
c = r.createCell(cellnum);
// set it to the thick black border style
c.setCellStyle(cs3);
}
//end draw thick black border
// demonstrate adding/naming and deleting a sheet
// create a sheet, set its title then delete it
s = wb.createSheet();
wb.setSheetName(1, "DeletedSheet");
wb.removeSheetAt(1);
//end deleted sheet
// write the workbook to the output stream
// close our file (don't blow out our file handles
wb.write(out);
out.close();
