One page per sheet property in JasperReports

Question

I have a requirement where I have to design a report in JasperReports. The report has 4 sheets. The first sheet has 5 pages and similarly other sheets has one or two pages.T

Answer 1

Assuming you Have 4 separate reports that you are batch exporting, then in each report you need to set Ignore Pagination to true (it is an attribute in the jasperReport tag at the beggining of the jrxml file, the attribute looks like isIgnorePagination="true").

To actually export it should look similar to this:

List<JasperPrint> jasperPrintList = new ArrayList<JasperPrint>();
jasperPrintList.add(JasperFillManager.fillReport("report1.jasper", params1));
jasperPrintList.add(JasperFillManager.fillReport("report2.jasper", params2));
jasperPrintList.add(JasperFillManager.fillReport("report3.jasper", params3));
jasperPrintList.add(JasperFillManager.fillReport("report4.jasper", params4));

JRXlsExporter exporter = new JRXlsExporter();

exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, "BatchExportReport.xls");
exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.TRUE);

exporter.exportReport();

To set the sheet names, take a look at Dynamic Sheet Names example they have at JasperForge.

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According to your comment you are wanting to use the same report templates to export to multiple formats. With excel being the only one that needs to ignore pagination. What you can do is set via a parameter at runtime instead of hardcoded in the report. So add the following to the params1,params2,params3,and params4:

if(exportFormat == EXCEL) {
   params1.put(JRParameter.IS_IGNORE_PAGINATION, Boolean.TRUE);
   params2.put(JRParameter.IS_IGNORE_PAGINATION, Boolean.TRUE);
   params3.put(JRParameter.IS_IGNORE_PAGINATION, Boolean.TRUE);
   params4.put(JRParameter.IS_IGNORE_PAGINATION, Boolean.TRUE);
}