ireport报表

ireport报表

 
             String fromdate =form1.getStartDate() == null ? null : form1.getStartDate(); //开始日期
             String enddate =form1.getEndDate() == null ? null :form1.getEndDate(); //截止日期
             Hashtable htPara = new Hashtable();
          htPara.put("fromdate", ""+fromdate);
             htPara.put("enddate", ""+enddate);
             htPara.put("ReportTitle", "市政工程信息数据统计表");
             htPara.put("foot","");
            
           String  reportName = "ManageRoadDigCard"; // 报表名称Civicismproject.jasper
             //   reportTemplateFile = "reports/ManageRoadDigCard.jasper"; // 报表模板文件
           String   reportTemplateFile = "reports/Civicismproject.jasper"; // 报表模板文件
              //  reportURL = "/reports/ManageRoadDigCard.jasper"; // 报表url
           String   reportURL = "/reports/Civicismproject.jasper"; // 报表url

                System.out.println(reportTemplateFile + " on loading...");

                ReportTools rt = new ReportTools(reportName, reportTemplateFile,reportURL);
                String sql="select dadui_popedom ,count(*)  as acount,"
                               +"(select count(*) from t_shizheng_road_pursue a where type='SZGC' and a.dadui_popedom=c.DADUI_POPEDOM  and (END_DATE<"
                               +" (select sysdate from dual)) group by dadui_popedom"
                               +" ) as bacount ,(select count(*) from t_shizheng_road_pursue b where type='SZGC' and b.dadui_popedom=c.DADUI_POPEDOM and (END_DATE>="
                               +" (select sysdate from dual)) group by dadui_popedom"
                               +" ) as cacount"
                               +" from t_shizheng_road_pursue c where type='"+type+"' and CREATE_DATE>=to_date('"+fromdate+"','yyyy-mm-dd') and CREATE_DATE<=to_date('"+enddate+"','yyyy-mm-dd') group by dadui_popedom";
              
                byte rtByte[] = rt.executeQueryToReport2(reportName, sql, htPara);
                servletResponse.setContentType("application/pdf");
                if (!sql.equals(""))
                {
                   servletResponse.setContentLength(rtByte.length);
                }
                ServletOutputStream ouputStream = servletResponse
                        .getOutputStream();
                ouputStream.write(rtByte, 0, rtByte.length);
                ouputStream.flush();
                ouputStream.close();

                System.out.println(reportTemplateFile + " load complete");

                return null;



//executeQueryToReport2 function 
 public byte[] executeQueryToReport2(String ReportName, String strSql,
            Hashtable ReportParameter) throws Exception
    {
        ResultSet rs = null;
        Connection conn = null;
        PreparedStatement stmt = null;

        try
        {
            // 构造报表对象
            ReportTools rt = new ReportTools(ReportName, ReportTemplateFile,
                    jasperURL);
            // 设置报表参数
            Enumeration emu = ReportParameter.keys();
            while (emu.hasMoreElements())
            {
                String key = (String) emu.nextElement();
                rt.setParameter(key, ReportParameter.get(key));
            }

            if (!strSql.equals(""))
            {
                // 从连接池得到数据库连接
                conn = ConnectionFactory.getConnection();
                // 查询SQL语句
                stmt = conn.prepareStatement(strSql);
                rs = stmt.executeQuery();
                byte[] bytes = rt.runReportToPdfUseDBSrc2(rs);
                return bytes;
            }
            else
            {
                byte[] bytes = rt.runReportToPdfNoResultSet();
                return bytes;
            }

        }
        catch (Exception ex)
        {
            ex.printStackTrace();
            throw ex;
        }
        finally
        {
            if (!strSql.equals(""))
            {
                ConnectionFactory.dispose(conn, stmt, rs);
            }
        }

    }