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Quick guide now available 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352294 13f79535-47bb-0310-9956-ffa450edef68
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Glen Stampoultzis 2002-03-28 11:29:02 +00:00
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src/documentation/xdocs/hssf/book.xml
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</menu>
<menu label="HSSF">
<menu-item label="Quick Guide" href="quick-guide.html"/>
<menu-item label="HOWTO" href="how-to.html"/>
<menu-item label="Use Case" href="use-case.html"/>
<menu-item label="Pictorial Docs" href="diagrams.html"/>

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src/documentation/xdocs/hssf/quick-guide.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.0//EN" "../dtd/document-v10.dtd">
<document>
<header>
<title>Quick Guide to HSSF Features</title>
<authors>
<person email="glens@apache.org" name="Glen Stampoultzis" id="CO"/>
</authors>
</header>
<body>
<s1 title="Quick Guide to Features">
<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 <link href="how-to.html">HOWTO</link>
guide as it contains actual descriptions of how to use this stuff.
</p>
<s2 title="Index of Features">
<ul>
<li><link href="#NewWorkbook">How to create a new workbook</link></li>
<li><link href="#NewSheet">How to create a sheet</link></li>
<li><link href="#CreateCells">How to create cells</link></li>
<li><link href="#CreateDateCells">How to create date cells</link></li>
<li><link href="#CellTypes">Working with different types of cells</link></li>
<li><link href="#Alignment">Aligning cells</link></li>
<li><link href="#Borders">Working with borders</link></li>
<li><link href="#FrillsAndFills">Fills and color</link></li>
<li><link href="#MergedCells">Merging cells</link></li>
<li><link href="#WorkingWithFonts">Working with fonts</link></li>
<li><link href="#ReadWriteWorkbook">Reading and writing</link></li>
</ul>
</s2>
<s2 title="Features">
<anchor id="NewWorkbook"/>
<s3 title="New Workbook">
<source>
HSSFWorkbook wb = new HSSFWorkbook();
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();
</source>
</s3>
<anchor id="NewSheet"/>
<s3 title="New Sheet">
<source>
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();
</source>
</s3>
<anchor id="CreateCells"/>
<s3 title="Creating Cells">
<source>
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();
</source>
</s3>
<anchor id="CreateDateCells"/>
<s3 title="Creating Date Cells">
<source>
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();
</source>
</s3>
<anchor id="CellTypes"/>
<s3 title="Working with different types of cells">
<source>
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();
</source>
</s3>
<anchor id="Alignment"/>
<s3 title="Demonstrates various alignment options">
<source>
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);
}
</source>
</s3>
<anchor id="Borders"/>
<s3 title="Working with borders">
<source>
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();
</source>
</s3>
<anchor id="FillsAndFrills"/>
<s3 title="Fills and colors">
<source>
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();
</source>
</s3>
<anchor id="MergedCells"/>
<s3 title="Merging cells">
<source>
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();
</source>
</s3>
<anchor id="WorkingWithFonts"/>
<s3 title="Working with fonts">
<source>
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();
</source>
</s3>
<anchor id="ReadWriteWorkbook"/>
<s3 title="Reading and Rewriting Workbooks">
<source>
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();
</source>
</s3>
</s2>
</s1>
</body>
</document>