Jasperreport Demo项目

package src; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.HashMap; import java.util.Map; import net.sf.jasperreports.engine.JRAbstractExporter; import net.sf.jasperreports.engine.JRException; import net.sf.jasperreports.engine.JRExporterParameter; import net.sf.jasperreports.engine.JasperFillManager; import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.engine.export.JRPdfExporter; import net.sf.jasperreports.engine.export.JRPdfExporterParameter; /** * 测试入口类，生成pdf文件 JasperFillManager中有多个生成文件的方法 除了可以生成pdf文件外还可以生成ofice文档文件。 */ public class TestReportHere { public static void main(String[] args) { Map parameters = new HashMap(); ByteArrayOutputStream outPut = new ByteArrayOutputStream(); FileOutputStream outputStream = null; File file = new File("E:\\workspaceJas\\test.pdf"); String reportModelFile = "E:\\workspaceJas\\test.jasper"; try { JasperPrint jasperPrint = JasperFillManager.fillReport( reportModelFile, parameters, new ReportDataSource("123")); JRAbstractExporter exporter = new JRPdfExporter(); /** * 创建jasperPrint */ exporter .setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); /** * 生成输出流 */ exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outPut); /** * 屏蔽copy功能 */ exporter.setParameter(JRPdfExporterParameter.IS_ENCRYPTED, Boolean.TRUE); /** * 加密 */ exporter.setParameter(JRPdfExporterParameter.IS_128_BIT_KEY, Boolean.TRUE); exporter.exportReport(); outputStream = new FileOutputStream(file); outputStream.write(outPut.toByteArray()); } catch (JRException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { try { outPut.flush(); outPut.close(); } catch (IOException e) { e.printStackTrace(); } } } }