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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
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</menu>
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</menu>
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<menu label="HSSF">
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<menu label="HSSF">
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<menu-item label="Quick Guide" href="quick-guide.html"/>
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<menu-item label="HOWTO" href="how-to.html"/>
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<menu-item label="HOWTO" href="how-to.html"/>
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<menu-item label="Use Case" href="use-case.html"/>
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<menu-item label="Use Case" href="use-case.html"/>
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<menu-item label="Pictorial Docs" href="diagrams.html"/>
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<menu-item label="Pictorial Docs" href="diagrams.html"/>
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@ -0,0 +1,300 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.0//EN" "../dtd/document-v10.dtd">
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<document>
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<header>
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<title>Quick Guide to HSSF Features</title>
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<authors>
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<person email="glens@apache.org" name="Glen Stampoultzis" id="CO"/>
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</authors>
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</header>
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<body>
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<s1 title="Quick Guide to Features">
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<p>
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Want to use HSSF read and write spreadsheets in a hurry? This guide is for you. If you're after
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more in-depth coverage of the HSSF user-API please consult the <link href="how-to.html">HOWTO</link>
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guide as it contains actual descriptions of how to use this stuff.
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</p>
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<s2 title="Index of Features">
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<ul>
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<li><link href="#NewWorkbook">How to create a new workbook</link></li>
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<li><link href="#NewSheet">How to create a sheet</link></li>
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<li><link href="#CreateCells">How to create cells</link></li>
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<li><link href="#CreateDateCells">How to create date cells</link></li>
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<li><link href="#CellTypes">Working with different types of cells</link></li>
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<li><link href="#Alignment">Aligning cells</link></li>
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<li><link href="#Borders">Working with borders</link></li>
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<li><link href="#FrillsAndFills">Fills and color</link></li>
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<li><link href="#MergedCells">Merging cells</link></li>
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<li><link href="#WorkingWithFonts">Working with fonts</link></li>
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<li><link href="#ReadWriteWorkbook">Reading and writing</link></li>
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</ul>
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</s2>
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<s2 title="Features">
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<anchor id="NewWorkbook"/>
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<s3 title="New Workbook">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="NewSheet"/>
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<s3 title="New Sheet">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet1 = wb.createSheet("new sheet");
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HSSFSheet sheet2 = wb.createSheet("second sheet");
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="CreateCells"/>
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<s3 title="Creating Cells">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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// Create a row and put some cells in it. Rows are 0 based.
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HSSFRow row = sheet.createRow((short)0);
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// Create a cell and put a value in it.
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HSSFCell cell = row.createCell((short)0);
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cell.setCellValue(1);
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// Or do it on one line.
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row.createCell((short)1).setCellValue(1.2);
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row.createCell((short)2).setCellValue("This is a string");
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row.createCell((short)3).setCellValue(true);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="CreateDateCells"/>
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<s3 title="Creating Date Cells">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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// Create a row and put some cells in it. Rows are 0 based.
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HSSFRow row = sheet.createRow((short)0);
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// Create a cell and put a date value in it. The first cell is not styled
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// as a date.
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HSSFCell cell = row.createCell((short)0);
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cell.setCellValue(new Date());
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// we style the second cell as a date (and time). It is important to
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// create a new cell style from the workbook otherwise you can end up
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// modifying the built in style and effecting not only this cell but other cells.
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HSSFCellStyle cellStyle = wb.createCellStyle();
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cellStyle.setDataFormat(HSSFDataFormat.getFormat("m/d/yy h:mm"));
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cell = row.createCell((short)1);
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cell.setCellValue(new Date());
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cell.setCellStyle(cellStyle);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="CellTypes"/>
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<s3 title="Working with different types of cells">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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HSSFRow row = sheet.createRow((short)2);
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row.createCell((short) 0).setCellValue(1.1);
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row.createCell((short) 1).setCellValue(new Date());
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row.createCell((short) 2).setCellValue("a string");
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row.createCell((short) 3).setCellValue(true);
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row.createCell((short) 4).setCellType(HSSFCell.CELL_TYPE_ERROR);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="Alignment"/>
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<s3 title="Demonstrates various alignment options">
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<source>
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public static void main(String[] args)
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throws IOException
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{
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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HSSFRow row = sheet.createRow((short) 2);
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createCell(wb, row, (short) 0, HSSFCellStyle.ALIGN_CENTER);
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createCell(wb, row, (short) 1, HSSFCellStyle.ALIGN_CENTER_SELECTION);
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createCell(wb, row, (short) 2, HSSFCellStyle.ALIGN_FILL);
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createCell(wb, row, (short) 3, HSSFCellStyle.ALIGN_GENERAL);
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createCell(wb, row, (short) 4, HSSFCellStyle.ALIGN_JUSTIFY);
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createCell(wb, row, (short) 5, HSSFCellStyle.ALIGN_LEFT);
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createCell(wb, row, (short) 6, HSSFCellStyle.ALIGN_RIGHT);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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}
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/**
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* Creates a cell and aligns it a certain way.
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*
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* @param wb the workbook
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* @param row the row to create the cell in
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* @param column the column number to create the cell in
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* @param align the alignment for the cell.
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*/
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private static void createCell(HSSFWorkbook wb, HSSFRow row, short column, short align)
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{
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HSSFCell cell = row.createCell(column);
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cell.setCellValue("Align It");
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HSSFCellStyle cellStyle = wb.createCellStyle();
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cellStyle.setAlignment(align);
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cell.setCellStyle(cellStyle);
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}
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</source>
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</s3>
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<anchor id="Borders"/>
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<s3 title="Working with borders">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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// Create a row and put some cells in it. Rows are 0 based.
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HSSFRow row = sheet.createRow((short) 1);
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// Create a cell and put a value in it.
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HSSFCell cell = row.createCell((short) 1);
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cell.setCellValue(4);
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// Style the cell with borders all around.
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HSSFCellStyle style = wb.createCellStyle();
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style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
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style.setBottomBorderColor(HSSFCellStyle.BLACK);
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style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
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style.setLeftBorderColor(HSSFCellStyle.GREEN);
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style.setBorderRight(HSSFCellStyle.BORDER_THIN);
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style.setRightBorderColor(HSSFCellStyle.BLUE);
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style.setBorderTop(HSSFCellStyle.BORDER_MEDIUM_DASHED);
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style.setTopBorderColor(HSSFCellStyle.AUTOMATIC);
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cell.setCellStyle(style);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="FillsAndFrills"/>
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<s3 title="Fills and colors">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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// Create a row and put some cells in it. Rows are 0 based.
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HSSFRow row = sheet.createRow((short) 1);
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// Aqua background
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HSSFCellStyle style = wb.createCellStyle();
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style.setFillBackgroundColor(HSSFCellStyle.AQUA);
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style.setFillPattern(HSSFCellStyle.BIG_SPOTS);
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HSSFCell cell = row.createCell((short) 1);
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cell.setCellValue("X");
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cell.setCellStyle(style);
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// Orange "foreground", foreground being the fill foreground not the font color.
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style = wb.createCellStyle();
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style.setFillForegroundColor(HSSFCellStyle.ORANGE);
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style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
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cell = row.createCell((short) 2);
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cell.setCellValue("X");
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cell.setCellStyle(style);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="MergedCells"/>
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<s3 title="Merging cells">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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HSSFRow row = sheet.createRow((short) 1);
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HSSFCell cell = row.createCell((short) 1);
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cell.setCellValue("This is a test of merging");
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sheet.addMergedRegion(new Region(1,(short)1,1,(short)2));
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="WorkingWithFonts"/>
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<s3 title="Working with fonts">
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<source>
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet sheet = wb.createSheet("new sheet");
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// Create a row and put some cells in it. Rows are 0 based.
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HSSFRow row = sheet.createRow((short) 1);
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// Create a new font and alter it.
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HSSFFont font = wb.createFont();
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font.setFontHeightInPoints((short)24);
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font.setFontName("Courier New");
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font.setItalic(true);
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font.setStrikeout(true);
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// Fonts are set into a style so create a new one to use.
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HSSFCellStyle style = wb.createCellStyle();
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style.setFont(font);
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// Create a cell and put a value in it.
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HSSFCell cell = row.createCell((short) 1);
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cell.setCellValue("This is a test of fonts");
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cell.setCellStyle(style);
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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<anchor id="ReadWriteWorkbook"/>
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<s3 title="Reading and Rewriting Workbooks">
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<source>
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POIFSFileSystem fs =
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new POIFSFileSystem(new FileInputStream("workbook.xls"));
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HSSFWorkbook wb = new HSSFWorkbook(fs);
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HSSFSheet sheet = wb.getSheetAt(0);
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HSSFRow row = sheet.getRow(2);
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HSSFCell cell = row.getCell((short)3);
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if (cell == null)
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cell = row.createCell((short)3);
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cell.setCellType(HSSFCell.CELL_TYPE_STRING);
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cell.setCellValue("a test");
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// Write the output to a file
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FileOutputStream fileOut = new FileOutputStream("workbook.xls");
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wb.write(fileOut);
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fileOut.close();
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</source>
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</s3>
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</s2>
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</s1>
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</body>
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||||||
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</document>
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||||||
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Reference in New Issue