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<html xmlns:NetUtils="org.apache.cocoon.util.NetUtils">
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<small><a href="../index.html">Main</a></small>
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<div>
<small><strong>HSSF</strong></small>
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<small><a href="quick-guide.html">Quick Guide</a></small>
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<small><a href="how-to.html">HOWTO</a></small>
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<small><a href="record-generator.html">Record Generator</a></small>
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<th>How do I...?</th>
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<div>Learn more about this project? </div>
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<h2>Quick Guide to HSSF Features</h2>
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<table cellspacing="0" cellpadding="2" border="0" width="100%">
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<td bgcolor="#003063"><font color="#ffffff" size="+1"><font face="Arial,sans-serif"><b>Quick Guide to Features</b></font></font></td>
</tr>
<tr>
<td>
<br>
<p>
Want to use HSSF read and write spreadsheets in a hurry? This guide is for you. If you're after
more in-depth coverage of the HSSF user-API please consult the <a href="how-to.html">HOWTO</a>
guide as it contains actual descriptions of how to use this stuff.
</p>
<div align="right">
<table cellspacing="0" cellpadding="2" border="0" width="99%">
<tr>
<td bgcolor="#003063"><font color="#ffffff" size="+0"><font face="Arial,sans-serif"><b>Index of Features</b></font></font></td>
</tr>
<tr>
<td>
<br>
<ul>
<li>
<a href="#NewWorkbook">How to create a new workbook</a>
</li>
<li>
<a href="#NewSheet">How to create a sheet</a>
</li>
<li>
<a href="#CreateCells">How to create cells</a>
</li>
<li>
<a href="#CreateDateCells">How to create date cells</a>
</li>
<li>
<a href="#CellTypes">Working with different types of cells</a>
</li>
<li>
<a href="#Alignment">Aligning cells</a>
</li>
<li>
<a href="#Borders">Working with borders</a>
</li>
<li>
<a href="#FrillsAndFills">Fills and color</a>
</li>
<li>
<a href="#MergedCells">Merging cells</a>
</li>
<li>
<a href="#WorkingWithFonts">Working with fonts</a>
</li>
<li>
<a href="#ReadWriteWorkbook">Reading and writing</a>
</li>
</ul>
</td>
</tr>
</table>
</div>
<br>
<div align="right">
<table cellspacing="0" cellpadding="2" border="0" width="99%">
<tr>
<td bgcolor="#003063"><font color="#ffffff" size="+0"><font face="Arial,sans-serif"><b>Features</b></font></font></td>
</tr>
<tr>
<td>
<br>
<anchor id="NewWorkbook"></anchor>
<h4>New Workbook</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="NewSheet"></anchor>
<h4>New Sheet</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet1 = wb.createSheet("new sheet");
HSSFSheet sheet2 = wb.createSheet("second sheet");
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="CreateCells"></anchor>
<h4>Creating Cells</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
// Create a row and put some cells in it. Rows are 0 based.
HSSFRow row = sheet.createRow((short)0);
// Create a cell and put a value in it.
HSSFCell cell = row.createCell((short)0);
cell.setCellValue(1);
// Or do it on one line.
row.createCell((short)1).setCellValue(1.2);
row.createCell((short)2).setCellValue("This is a string");
row.createCell((short)3).setCellValue(true);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="CreateDateCells"></anchor>
<h4>Creating Date Cells</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
// Create a row and put some cells in it. Rows are 0 based.
HSSFRow row = sheet.createRow((short)0);
// Create a cell and put a date value in it. The first cell is not styled
// as a date.
HSSFCell cell = row.createCell((short)0);
cell.setCellValue(new Date());
// we style the second cell as a date (and time). It is important to
// create a new cell style from the workbook otherwise you can end up
// modifying the built in style and effecting not only this cell but other cells.
HSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setDataFormat(HSSFDataFormat.getFormat("m/d/yy h:mm"));
cell = row.createCell((short)1);
cell.setCellValue(new Date());
cell.setCellStyle(cellStyle);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="CellTypes"></anchor>
<h4>Working with different types of cells</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
HSSFRow row = sheet.createRow((short)2);
row.createCell((short) 0).setCellValue(1.1);
row.createCell((short) 1).setCellValue(new Date());
row.createCell((short) 2).setCellValue("a string");
row.createCell((short) 3).setCellValue(true);
row.createCell((short) 4).setCellType(HSSFCell.CELL_TYPE_ERROR);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="Alignment"></anchor>
<h4>Demonstrates various alignment options</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
public static void main(String[] args)
throws IOException
{
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
HSSFRow row = sheet.createRow((short) 2);
createCell(wb, row, (short) 0, HSSFCellStyle.ALIGN_CENTER);
createCell(wb, row, (short) 1, HSSFCellStyle.ALIGN_CENTER_SELECTION);
createCell(wb, row, (short) 2, HSSFCellStyle.ALIGN_FILL);
createCell(wb, row, (short) 3, HSSFCellStyle.ALIGN_GENERAL);
createCell(wb, row, (short) 4, HSSFCellStyle.ALIGN_JUSTIFY);
createCell(wb, row, (short) 5, HSSFCellStyle.ALIGN_LEFT);
createCell(wb, row, (short) 6, HSSFCellStyle.ALIGN_RIGHT);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
}
/**
* Creates a cell and aligns it a certain way.
*
* @param wb the workbook
* @param row the row to create the cell in
* @param column the column number to create the cell in
* @param align the alignment for the cell.
*/
private static void createCell(HSSFWorkbook wb, HSSFRow row, short column, short align)
{
HSSFCell cell = row.createCell(column);
cell.setCellValue("Align It");
HSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setAlignment(align);
cell.setCellStyle(cellStyle);
}
</pre>
</td>
</tr>
</table>
</div>
<anchor id="Borders"></anchor>
<h4>Working with borders</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
// Create a row and put some cells in it. Rows are 0 based.
HSSFRow row = sheet.createRow((short) 1);
// Create a cell and put a value in it.
HSSFCell cell = row.createCell((short) 1);
cell.setCellValue(4);
// Style the cell with borders all around.
HSSFCellStyle style = wb.createCellStyle();
style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
style.setBottomBorderColor(HSSFCellStyle.BLACK);
style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
style.setLeftBorderColor(HSSFCellStyle.GREEN);
style.setBorderRight(HSSFCellStyle.BORDER_THIN);
style.setRightBorderColor(HSSFCellStyle.BLUE);
style.setBorderTop(HSSFCellStyle.BORDER_MEDIUM_DASHED);
style.setTopBorderColor(HSSFCellStyle.AUTOMATIC);
cell.setCellStyle(style);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="FillsAndFrills"></anchor>
<h4>Fills and colors</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
// Create a row and put some cells in it. Rows are 0 based.
HSSFRow row = sheet.createRow((short) 1);
// Aqua background
HSSFCellStyle style = wb.createCellStyle();
style.setFillBackgroundColor(HSSFCellStyle.AQUA);
style.setFillPattern(HSSFCellStyle.BIG_SPOTS);
HSSFCell cell = row.createCell((short) 1);
cell.setCellValue("X");
cell.setCellStyle(style);
// Orange "foreground", foreground being the fill foreground not the font color.
style = wb.createCellStyle();
style.setFillForegroundColor(HSSFCellStyle.ORANGE);
style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
cell = row.createCell((short) 2);
cell.setCellValue("X");
cell.setCellStyle(style);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="MergedCells"></anchor>
<h4>Merging cells</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
HSSFRow row = sheet.createRow((short) 1);
HSSFCell cell = row.createCell((short) 1);
cell.setCellValue("This is a test of merging");
sheet.addMergedRegion(new Region(1,(short)1,1,(short)2));
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="WorkingWithFonts"></anchor>
<h4>Working with fonts</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
// Create a row and put some cells in it. Rows are 0 based.
HSSFRow row = sheet.createRow((short) 1);
// Create a new font and alter it.
HSSFFont font = wb.createFont();
font.setFontHeightInPoints((short)24);
font.setFontName("Courier New");
font.setItalic(true);
font.setStrikeout(true);
// Fonts are set into a style so create a new one to use.
HSSFCellStyle style = wb.createCellStyle();
style.setFont(font);
// Create a cell and put a value in it.
HSSFCell cell = row.createCell((short) 1);
cell.setCellValue("This is a test of fonts");
cell.setCellStyle(style);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
<anchor id="ReadWriteWorkbook"></anchor>
<h4>Reading and Rewriting Workbooks</h4>
<div align="center">
<table cellspacing="2" cellpadding="2" border="1">
<tr>
<td>
<pre>
POIFSFileSystem fs =
new POIFSFileSystem(new FileInputStream("workbook.xls"));
HSSFWorkbook wb = new HSSFWorkbook(fs);
HSSFSheet sheet = wb.getSheetAt(0);
HSSFRow row = sheet.getRow(2);
HSSFCell cell = row.getCell((short)3);
if (cell == null)
cell = row.createCell((short)3);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
cell.setCellValue("a test");
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</pre>
</td>
</tr>
</table>
</div>
</td>
</tr>
</table>
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</td>
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<td><a href="http://www.apache.org/">Copyright © 1999-2002 The Apache Software Foundation. All Rights Reserved.</a></td>
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