Ireport客户端打印

1. 新建一个web项目Outireport。如图：

 

ireport客户端打印 _客户端

 

2. 向lib导入ireport报表需要的包jasperreports-4.0.2.jar, jasperreports-applet-4.0.2.jar, commons-collections-2.1.jar, commons-logging-1.0.2.jar, groovy-all-1.7.5.jar, iText-2.1.7.jar, iTextAsian.jar（这几个表可能有个别包不是必须）。如图：

ireport客户端打印 _客户端_02

 

3. 在WebRoot中新建一个名为ireport的目录，里面存放打印的ireport报表，我这里是一个用户的报表。如图：

ireport客户端打印 _打印_03

 

4. 在src中新建一个applet的目录，在applet中新建一个名为IreportServlet.java的servlet。代码如下：

 

Java代码 ireport客户端打印 _客户端_04 ireport客户端打印 _客户端_05
  1. package applet;
  2.  
  3. import java.io.File;
  4. import java.io.IOException;
  5. import java.io.ObjectOutputStream;
  6. import java.util.ArrayList;
  7. import java.util.List;
  8.  
  9. import javax.servlet.ServletException;
  10. import javax.servlet.ServletOutputStream;
  11. import javax.servlet.http.HttpServlet;
  12. import javax.servlet.http.HttpServletRequest;
  13. import javax.servlet.http.HttpServletResponse;
  14.  
  15. import net.sf.jasperreports.engine.JasperFillManager;
  16. import net.sf.jasperreports.engine.JasperPrint;
  17. import net.sf.jasperreports.engine.JasperReport;
  18. import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
  19. import net.sf.jasperreports.engine.util.JRLoader;
  20.  
  21. public class IreportServlet extends HttpServlet {
  22.  
  23. private static final long serialVersionUID = 1L;
  24. public void destroy() {
  25. super.destroy(); // Just puts "destroy" string in log
  26. }
  27.  
  28. protected void doGet(HttpServletRequest request, HttpServletResponse response)
  29. throws ServletException, IOException {
  30. this.doPost(request, response);
  31. }
  32.  
  33. protected void doPost(HttpServletRequest request, HttpServletResponse response)
  34. throws ServletException, IOException {
  35. List list=new ArrayList();
  36. try{
  37. Users users=null;
  38. for(int i=0;i<2;i++)
  39. {
  40. users=new Users();
  41. users.setUserName("yzp"+i);
  42. users.setSex(""+i);
  43. users.setPhone("13410479904");
  44. users.setPhone("19890214");
  45. list.add(users);
  46.  
  47. }
  48. JRBeanCollectionDataSource jds =new JRBeanCollectionDataSource(list); //使用javabean数据源
  49. String url=this.getServletContext().getRealPath("/")+"/ireport/users.jasper";//报表模板的文件路径
  50. File reportFile = new File(url);
  51. JasperReport report=(JasperReport) JRLoader.loadObject(reportFile.getPath());
  52. JasperPrint jasperPrint=null;
  53.  
  54. jasperPrint= JasperFillManager.fillReport(report, null, jds);//将所有的数据填充到jasperPrint,形成正常的报表
  55. response.setContentType("application/pdf");
  56. ServletOutputStream ouputStream = response.getOutputStream();
  57. ObjectOutputStream oos = new ObjectOutputStream(ouputStream);
  58. oos.writeObject(jasperPrint);//将JasperPrint对象写入对象输出流中
  59. oos.flush();
  60. oos.close();
  61. }catch(Exception e)
  62. {
  63. e.printStackTrace();
  64. }
  65. }
  66. }