jasper模版文件+工程demo

package com.report; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStream; import java.util.HashMap; import java.util.Map; import net.sf.jasperreports.engine.JRAbstractExporter; import net.sf.jasperreports.engine.JREmptyDataSource; import net.sf.jasperreports.engine.JRExporterParameter; import net.sf.jasperreports.engine.JasperFillManager; import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.engine.JasperRunManager; import net.sf.jasperreports.engine.export.JRXlsExporterParameter; import net.sf.jasperreports.engine.export.ooxml.JRDocxExporter; import net.sf.jasperreports.engine.export.ooxml.JRXlsxExporter; public class ReportUtil { public static String jasperFilePath = "F:\\document\\report\\report1.jasper"; public static String pdfFilePath = "F:\\document\\report\\report1.pdf"; public static String docxFilePath = "F:\\document\\report\\report1.docx"; public static String xlsxFilePath = "F:\\document\\report\\report1.xlsx"; /** * 生成文件pdf */ public static void addPdf() { try { // 第一步：装载jasper文件 File jasperFileName = new File(jasperFilePath); // 第二步：设置参数值 /* 设置参数 */ HashMap<String, Object> params = new HashMap<String, Object>();// 建立参数表 params.put("name","我们的产品"); // 设置参数值 // 第三步：利用JasperRunManager生成PDF文件 JasperRunManager.runReportToPdfFile(jasperFileName.getPath(), params, new JREmptyDataSource()); } catch (Exception ex) { ex.printStackTrace(); } } /** * 生成文件word */ public static void addDocx() { File jasperFileName = new File(jasperFilePath); Map<String, Object> params = new HashMap<String, Object>(); params.put("name", "我们的产品"); try { JasperPrint jasperPrint = JasperFillManager.fillReport( jasperFileName.getPath(), params, new JREmptyDataSource()); ByteArrayOutputStream oStream = new ByteArrayOutputStream(); JRAbstractExporter exporter = new JRDocxExporter(); exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, oStream); exporter.exportReport(); byte[] bytes = oStream.toByteArray(); if (bytes != null && bytes.length > 0) { OutputStream ouputStream = new FileOutputStream(new File( docxFilePath)); ouputStream.write(bytes, 0, bytes.length); ouputStream.flush(); ouputStream.close(); } else { } } catch (Exception ex) { } } /** * 生成文件excel */ public static void addXls() { File jasperFileName = new File(jasperFilePath); Map<String, Object> params = new HashMap<String, Object>(); params.put("name", "我们的产品"); try { JasperPrint jasperPrint = JasperFillManager.fillReport( jasperFileName.getPath(), params, new JREmptyDataSource()); ByteArrayOutputStream oStream = new ByteArrayOutputStream(); JRAbstractExporter exporter = new JRXlsxExporter(); exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, oStream); exporter.setParameter( JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, Boolean.TRUE); // 删除记录最下面的空行 exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);// 删除多余的ColumnHeader exporter.setParameter( JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);// 显示边框 exporter.exportReport(); byte[] bytes = oStream.toByteArray(); if (bytes != null && bytes.length > 0) { OutputStream ouputStream = new FileOutputStream(new File( xlsxFilePath)); ouputStream.write(bytes, 0, bytes.length); ouputStream.flush(); ouputStream.close(); } else { } } catch (Exception ex) { } } /** * 测试 */ public static void main(String[] args) { // 生成pdf文件 ReportUtil.addPdf(); // 生成word文件 ReportUtil.addDocx(); // 生成excel文件 ReportUtil.addXls(); } }