ireport直接打印报表,不预览.doc

(转)ireport直接打印报表，不预览2011年02月23日 星期三 下午 02:06打印类代码如下:package com.sofn.struts.report.actions;import java.io.File;import java.io.ObjectOutputStream;import java.util.ArrayList;import java.util.List;import java.util.Map;import javax.naming.Context;import javax.naming.InitialContext;import javax.naming.NameNotFoundException;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.sql.DataSource;import net.sf.jasperreports.engine.JRException;import net.sf.jasperreports.engine.JasperFillManager;import net.sf.jasperreports.engine.JasperPrint;import net.sf.jasperreports.engine.JasperPrintManager;import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import com.lowagie.text.ExceptionConverter;import com.sofn.struts.dto.UserInfoDTO;import com.sofn.struts.op.UserInfo;import com.sofn.util.UserSessionOperate;public class ReportViewAction extends Action (org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)public ActionForward execute(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response)throws Exception /已编译文件路径和格式String fp =this.getServlet().getServletContext().getRealPath(/)+ reportjasper+ request.getAttribute(rdoc)+ .jasper;File reportFile = new File(fp);/System.out.println(报表路径!+reportFile);Map parameters = (Map) request.getAttribute(paras);byte bytes = null;List list = new ArrayList();DataSource ds = null;JasperPrint jasperPrint=null;/参数传递UserSessionOperate uso = new UserSessionOperate();String user = uso.getUser(request);UserInfo eidr = new UserInfo();UserInfoDTO eidrdto = null;String deptname = 物流部门;String username = 陈云刚;parameters.put(marker, username);parameters.put(bumen, deptname);/数据库连接try String source = java:comp/env/jdbc/posuse;Context ic = null;if (ic = null)ic = new InitialContext();ds = (DataSource) ic.lookup(source);if (ds = null) System.out.println(Reportview-22222!); catch (NameNotFoundException nfe) nfe.toString(); catch (Exception ne) ne.printStackTrace();/使用数据源if (request.getAttribute(datasource) != null) list = (List) request.getAttribute(reportlist);JRBeanCollectionDataSource jds =new JRBeanCollectionDataSource(list);/使用数据源/使用SQL查询try jasperPrint =JasperFillManager.fillReport(reportFile.getPath(),parameters,ds.getConnection();/填充报表数据生成JasperPrint对象 JasperPrintManager.printReport(jasperPrint, false);/2008-08-25 直接打印,不用预览PDF直接打印true为弹出打印机选择.false为直接打印. catch (JRException jre) /System.out.println(Reportview-JRException88888);jre.printStackTrace(); catch (ExceptionConverter ec) ec.getLocalizedMessage();ec.printStackTrace(); catch (NullPointerException npe) npe.getLocalizedMessage();npe.getMessage();npe.toString();System.err); catch (Exception ee) ee.printStackTrace(); /输出response.setContentType(application/octet-stream);ServletOutputStream ouputStream = response.getOutputStream();ObjectOutputStream oos = new ObjectOutputStream(ouputStream);oos.writeObject(jasperPrint);/将JasperPrint对象写入对象输出流中 oos.flush();oos.close();o