Example #1
0
  public byte[] getReport(ServletContext sc, HttpServletRequest req) {
    LOG.info("开始渲染报表");
    long start = System.currentTimeMillis();
    float total = (float) Runtime.getRuntime().totalMemory() / 1000000;

    this.birtReportEngine = BirtReportEngine.getBirtEngine(sc);
    IReportRunnable design;
    try {
      LOG.info("report path:" + reportPath);
      reportPath = FileUtils.getAbsolutePath(reportPath);
      LOG.info("report path:" + reportPath);
      design = birtReportEngine.openReportDesign(reportPath);
      IRunAndRenderTask task = birtReportEngine.createRunAndRenderTask(design);

      task.getAppContext().put("BIRT_VIEWER_HTTPSERVLET_REQUEST", req);
      task.setParameterValue("title", "用户图形报表");
      task.setParameterValue("tip", "测试用户报表");

      HTMLRenderOption options = new HTMLRenderOption();
      options.setOutputFormat(HTMLRenderOption.OUTPUT_FORMAT_HTML);
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      options.setOutputStream(out);
      options.setImageHandler(new HTMLServerImageHandler());
      options.setBaseImageURL(SystemListener.getContextPath() + "/platform/reports/images");
      options.setImageDirectory(FileUtils.getAbsolutePath("/platform/reports/images"));
      task.setRenderOption(options);

      task.run();
      task.close();
      total = (float) Runtime.getRuntime().totalMemory() / 1000000 - total;
      LOG.info(
          "完成渲染报表,耗时:"
              + ConvertUtils.getTimeDes(System.currentTimeMillis() - start)
              + " ,耗费内存:"
              + total
              + "M");
      return out.toByteArray();
    } catch (EngineException | NumberFormatException e) {
      LOG.error("输出报表出错", e);
    }
    return null;
  }
Example #2
0
 public String getRuningTimeStr() {
   return ConvertUtils.getTimeDes(runingTime);
 }