// 编辑
  public ActionForward edit(
      ActionMapping mapping,
      ActionForm form,
      HttpServletRequest request,
      HttpServletResponse response)
      throws Exception {

    String id = request.getParameter("id");
    Systemparameter systemparameter =
        systemparameterService.querySystemparameter(Integer.parseInt(id));
    SystemparameterForm systemparameterForm = new SystemparameterForm();
    BeanUtils.copyProperties(systemparameterForm, systemparameter);
    request.setAttribute("obj", systemparameterForm);
    return mapping.findForward("edit");
  }