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 Excel > JExcel API > How to add Now Formula to Excel Spreadsheet

How to add Now Formula to Excel Spreadsheet 

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 add now formula to a Cell in Excel Spreadsheet.

File Name  :  
com/bethecoder/tutorials/jexcelapi/write/NowFormulaTest.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.jexcelapi.write;

import java.io.File;
import java.io.IOException;

import jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.read.biff.BiffException;
import jxl.write.DateFormats;
import jxl.write.Formula;
import jxl.write.WritableCellFormat;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;

public class NowFormulaTest {

  /**
   @param args
   @throws IOException 
   @throws IOException 
   @throws WriteException 
   @throws BiffException 
   */
  public static void main(String[] argsthrows IOException, WriteException {
    //Creates a writable workbook with the given file name
    WritableWorkbook workbook = Workbook.createWorkbook(new File("C:/JXL/NOWFormula.xls"));

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

      WritableCellFormat dateFormat = new WritableCellFormat(DateFormats.FORMAT9);
      dateFormat.setAlignment(Alignment.LEFT);
      dateFormat.setBorder(Border.ALL, BorderLineStyle.THIN);
      
    Formula formulaCell = new Formula(11"NOW()", dateFormat);
    sheet.addCell(formulaCell);
    
    formulaCell = new Formula(12"NOW()", dateFormat);
    sheet.addCell(formulaCell);
    
    formulaCell = new Formula(13"NOW()", dateFormat);
    sheet.addCell(formulaCell);
    
    formulaCell = new Formula(14"NOW()", dateFormat);
    sheet.addCell(formulaCell);
    
    //Writes out the data held in this workbook in Excel format
    workbook.write()

    //Close and free allocated memory 
    workbook.close()
  }

}
   

It gives the following output,
now-formula.gif


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