code: @Override
      public void render(ElementTemplate eleTemplate, Object data, XWPFTemplate template) {
          RunTemplate runTemplate = (RunTemplate) eleTemplate;
          // validate
          if (!validate(data)) {
              clearPlaceholder(runTemplate.getRun());
              return;
          }
  
          // do render
          try {
              doRender(runTemplate, data, template);
          } catch (Exception e) {
              doRenderException(runTemplate, data, e);
          }
  
      }
docs: /*
  骨架
  (non-Javadoc)
  @see com.deepoove.poi.policy.RenderPolicy#render(com.deepoove.poi.template.ElementTemplate, java.lang.Object, com.deepoove.poi.XWPFTemplate)