BE THE CODER > Excel > Java Excel API Examples

Java Excel API is an open source java library to read, write and modify Excel spread sheets. This requires the library jxl-2.6.12.jar to be in classpath. The following example shows how to format a Column in Excel Spread sheet.

File Name :	com/bethecoder/tutorials/jexcelapi/write/ColumnFormatTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.jexcelapi.write;



import java.io.File;

import java.io.IOException;



import jxl.CellView;

import jxl.Workbook;

import jxl.format.Border;

import jxl.format.BorderLineStyle;

import jxl.format.Colour;

import jxl.read.biff.BiffException;

import jxl.write.WritableCellFormat;

import jxl.write.WritableSheet;

import jxl.write.WritableWorkbook;

import jxl.write.WriteException;



public class ColumnFormatTest {



  /**

   * @param args

   * @throws IOException 

   * @throws IOException 

   * @throws WriteException 

   * @throws BiffException 

   */

  public static void main(String[] args) throws IOException, WriteException {

    //Creates a writable workbook with the given file name

    WritableWorkbook workbook = Workbook.createWorkbook(new File("C:/JXL/ColumnFormat.xls"));

    WritableSheet sheet = workbook.createSheet("My Sheet", 0);

    

    addCellView(sheet, 0, 4, Colour.ORANGE);

    addCellView(sheet, 1, 8, Colour.WHITE);

    addCellView(sheet, 2, 12, Colour.BRIGHT_GREEN);

    

    //Writes out the data held in this workbook in Excel format

    workbook.write(); 

    

    //Close and free allocated memory 

    workbook.close(); 

  }



  private static void addCellView(

      WritableSheet sheet, int col, 

      int widthInChars, Colour colour) throws WriteException {

    

    WritableCellFormat cellFormat = new WritableCellFormat();

    cellFormat.setBackground(colour);

    cellFormat.setBorder(Border.ALL, BorderLineStyle.THIN);

    

    CellView cellView = new CellView();

    cellView.setSize(widthInChars * 256);

    cellView.setFormat(cellFormat);

    sheet.setColumnView(col, cellView);

  }

}

How to Format Excel Column