Java JRTextExporter.exportReport方法代码示例

import net.sf.jasperreports.engine.export.JRTextExporter; //导入方法依赖的package包/类
/**
 * Generates a plain text report from a pre-compiled report and returns it into a file.
 * 
 * @param jasperPrint
 *          JasperPrint object which contains a compiled report.
 * @param file
 *          The file used to return the report.
 * @throws JRException
 *           In case there is any error generating the report an exception is thrown with the
 *           error message.
 */
private static void saveTxtReportToFile(JasperPrint jasperPrint, File file) throws JRException {
  final JRTextExporter textExporter = new JRTextExporter();
  SimpleExporterInput exporterInput = new SimpleExporterInput(jasperPrint);
  SimpleWriterExporterOutput exporterOutput = new SimpleWriterExporterOutput(file);

  // Default text configuration that can be overridden in the .jrxml template itself
  SimpleTextExporterConfiguration textExporterConfiguration = new SimpleTextExporterConfiguration();
  textExporterConfiguration.setOverrideHints(false);
  textExporter.setConfiguration(textExporterConfiguration);
  // Default item text configuration that can be overridden in the .jrxml template itself
  SimpleTextReportConfiguration textReportConfiguration = new SimpleTextReportConfiguration();
  textReportConfiguration.setCharHeight(new Float(TEXT_CHAR_HEIGHT));
  textReportConfiguration.setCharWidth(new Float(TEXT_CHAR_WIDTH));
  textReportConfiguration.setOverrideHints(false);
  textExporter.setConfiguration(textReportConfiguration);

  textExporter.setExporterInput(exporterInput);
  textExporter.setExporterOutput(exporterOutput);
  textExporter.exportReport();
}
 

import net.sf.jasperreports.engine.export.JRTextExporter; //导入方法依赖的package包/类
/**
 * Generates a plain text report from a pre-compiled report and returns it into an output stream.
 * 
 * @param jasperPrint
 *          JasperPrint object which contains a compiled report.
 * @param outputStream
 *          The output stream used to return the report.
 * @throws JRException
 *           In case there is any error generating the report an exception is thrown with the
 *           error message.
 */
private static void saveTxtReportToOutputStream(JasperPrint jasperPrint, OutputStream outputStream)
    throws JRException {
  final JRTextExporter textExporter = new JRTextExporter();
  SimpleExporterInput exporterInput = new SimpleExporterInput(jasperPrint);
  SimpleWriterExporterOutput exporterOutput = new SimpleWriterExporterOutput(outputStream);

  // Default text configuration that can be overridden in the .jrxml template itself
  SimpleTextExporterConfiguration textExporterConfiguration = new SimpleTextExporterConfiguration();
  textExporterConfiguration.setOverrideHints(false);
  textExporter.setConfiguration(textExporterConfiguration);
  // Default item text configuration that can be overridden in the .jrxml template itself
  SimpleTextReportConfiguration textReportConfiguration = new SimpleTextReportConfiguration();
  textReportConfiguration.setCharHeight(new Float(TEXT_CHAR_HEIGHT));
  textReportConfiguration.setCharWidth(new Float(TEXT_CHAR_WIDTH));
  textReportConfiguration.setOverrideHints(false);
  textExporter.setConfiguration(textReportConfiguration);

  textExporter.setExporterInput(exporterInput);
  textExporter.setExporterOutput(exporterOutput);
  textExporter.exportReport();
}
 

import net.sf.jasperreports.engine.export.JRTextExporter; //导入方法依赖的package包/类
/**
 *
 */
public void text() throws JRException
{
	long start = System.currentTimeMillis();
	JRTextExporter exporter = new JRTextExporter();
	File sourceFile = new File("build/reports/TextReport.jrprint");
	JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObject(sourceFile);
	File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".txt");

	exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
	exporter.setExporterOutput(new SimpleWriterExporterOutput(destFile));
	exporter.exportReport();

	System.err.println("Text creation time : " + (System.currentTimeMillis() - start));
}
 

import net.sf.jasperreports.engine.export.JRTextExporter; //导入方法依赖的package包/类
private void exportToTxt() {
    //log.debug("exporting to TXT");
    // textExporter = new JRTextExporter();
    // setExportParameter(JRTextExporterParameter.CHARACTER_WIDTH, new
    // Integer(13));
    // setExportParameter(JRTextExporterParameter.CHARACTER_HEIGHT, new
    // Integer(20));

    textExporter = new JRTextExporter();
    if (getJasperReport().hasProperties()) {
        if (null != getJasperReport().getProperty("export.txt.page_rows")) {
            setExportParameter(JRTextExporterParameter.CHARACTER_WIDTH,
                    getJasperReport().getProperty("export.txt.character_width"));
        }
        if (null != getJasperReport().getProperty("export.txt.page_columns")) {
            setExportParameter(JRTxtExporterParameter.PAGE_COLUMNS,
                    getJasperReport().getProperty("export.txt.page_columns"));
        }
        if (null != getJasperReport().getProperty(
                "export.txt.add_form_feed")) {
            setExportParameter(JRTxtExporterParameter.ADD_FORM_FEED,
                    new Boolean(getJasperReport().getProperty(
                    "export.txt.add_form_feed")));
        }
    }
    textExporter.setParameters(getExportParameters());
    try {
        start = System.currentTimeMillis();
        textExporter.exportReport();
        //log.info("export running time (msec): "
        //        + (System.currentTimeMillis() - start));
    } catch (JRException jre) {

        jre.printStackTrace();
    }
}
 

import net.sf.jasperreports.engine.export.JRTextExporter; //导入方法依赖的package包/类
public static void toTxtFile(JasperPrint jasperPrint, Map exporterParams, String txtFile) throws JRException {
    System.out.println("JasperUtil.toTxtFile");

    Timer timer = new Timer();
    timer.start();

    JRTextExporter exporter = new JRTextExporter();
    exporter.setParameters(exporterParams);
    exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
    exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, txtFile);
    exporter.exportReport();

    timer.end();
    System.out.println("To txt in " + timer.duration());
}
 

import net.sf.jasperreports.engine.export.JRTextExporter; //导入方法依赖的package包/类
/**
 * Generates a plain text report using the SimpleExporterInput, SimpleWriterExporterOutput,
 * SimpleTextExporterConfiguration and SimpleTextReportConfiguration received as parameters.
 * 
 * @param exporterInput
 *          SimpleExporterInput object with the input data.
 * @param exporterOutput
 *          SimpleWriterExporterOutput object with the output data.
 * @param textExporterConfiguration
 *          SimpleTextExporterConfiguration with the configuration data.
 * @param textReportConfiguration
 *          SimpleTextReportConfiguration with the item configuration data.
 * @throws JRException
 *           In case there is any error generating the report an exception is thrown with the
 *           error message.
 */
public static void saveTxtReport(SimpleExporterInput exporterInput,
    SimpleWriterExporterOutput exporterOutput,
    SimpleTextExporterConfiguration textExporterConfiguration,
    SimpleTextReportConfiguration textReportConfiguration) throws JRException {
  final JRTextExporter textExporter = new JRTextExporter();
  textExporter.setExporterInput(exporterInput);
  textExporter.setExporterOutput(exporterOutput);
  textExporter.setConfiguration(textExporterConfiguration);
  textExporter.setConfiguration(textReportConfiguration);
  textExporter.exportReport();
}