Question

I am trying to write a program that will append data to an Excel file in Java. I got up to the following code. But it rewrites the contents in the Excel file, not appending to it. Please help me to complete this.

public class jExcel
{
    static WritableWorkbook workbook;
    public static void main(String args[])throws Exception
    {
        workbook = Workbook.createWorkbook((new File("D:\\0077\\my2.xls")));
        WritableSheet sheet = workbook.createSheet("First Sheett",1);
        Label label = new Label(5,2,"ssssssssss");
        sheet.addCell(label);
        workbook.write();
        workbook.close();
    }
}

Answer 1

//WRITE IN XLS

    WritableWorkbook workbook = Workbook.createWorkbook(new File("D:\\output.xls"));
    WritableSheet sheet = workbook.createSheet("First Sheet", 0);
    Label label = new Label(0, 2, "A label record"); 
    sheet.addCell(label);
    workbook.write(); 
    workbook.close();

    //MODIFY XLS

    Workbook workbook1 = Workbook.getWorkbook(new File("D:\\output.xls"));
    WritableWorkbook copy = Workbook.createWorkbook(new File("D:\\output.xls"), workbook1);
    WritableSheet sheet2 = copy.getSheet(0); 
    //WritableCell cell = sheet2.getWritableCell(5, 2); 

    copy.write();
    copy.close();