japser实现批量打印

package Servlet; import java.io.File; import java.io.IOException; import java.io.OutputStream; import java.net.URLEncoder; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.jasperreports.engine.JRDataSource; 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.JasperPrintManager; import net.sf.jasperreports.engine.JasperReport; import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource; import net.sf.jasperreports.engine.export.JRPdfExporter; import net.sf.jasperreports.engine.util.JRLoader; import net.sf.jasperreports.j2ee.servlets.BaseHttpServlet; import Service.PersonService; public class JRHTMLServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletContext context = this.getServletConfig().getServletContext(); File jasperFile = new File(context.getRealPath("jasper/preson.jasper")); Map[] maps = new HashMap[1]; HashMap map = new HashMap(); Map<String, String> parameters = new HashMap<String, String>(); map.put("person_Id", "2009"); map.put("person_name", "汉科"); map.put("person_age", "23"); map.put("person_address", "武汉XX科技有限公司"); maps[0] = map; JasperPrint jasperPrint = null; List list2 = new ArrayList(); response.setCharacterEncoding("utf-8"); try { JasperReport jasperReport = (JasperReport) JRLoader .loadObject(jasperFile); List<Map> list = new PersonService().getAllPerson(); for (Map s : list) { List<Map> tempList = new ArrayList<Map>(); tempList.add(s); JRDataSource dataSource = new JRBeanCollectionDataSource( tempList); jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap(), dataSource); list2.add(jasperPrint); } OutputStream ouputStream = response.getOutputStream(); response.setContentType("application/pdf"); response.setCharacterEncoding("UTF-8"); response.setHeader("Content-Disposition", "inline; filename=\"" + URLEncoder.encode("测试", "UTF-8") + ".pdf\""); // 使用JRPdfExproter导出器导出pdf JRPdfExporter exporter = new JRPdfExporter(); // 设置JasperPrintList exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, list2); exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream); exporter.exportReport(); // JasperPrintManager.printReport(jasperPrint,false); } catch (JRException e) { e.printStackTrace(); } } }