import java.io.IOException; import java.io.OutputStream; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import jxl.Workbook; import jxl.write.Label; import jxl.write.WritableSheet; import jxl.write.WritableWorkbook; public class Sample extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { OutputStream out = null; try { response.setContentType("application/vnd.ms-excel"); response.setHeader("Content-Disposition", "attachment; filename=sampleName.xls"); WritableWorkbook w = Workbook.createWorkbook(response.getOutputStream()); WritableSheet s = w.createSheet("Demo", 0); s.addCell(new Label(0, 0, "Hello World")); w.write(); w.close(); } catch (Exception e) { throw new ServletException("Exception in Excel Sample Servlet", e); } finally { if (out != null) out.close(); } } }