public synchronized void updateTable(CgFormHeadEntity t, String sign) {
    CgFormFieldEntity column;
    boolean databaseFieldIsChange = false;
    for (int i = 0; i < t.getColumns().size(); i++) {
      column = t.getColumns().get(i);
      if (oConvertUtils.isEmpty(column.getFieldName())) {
        continue;
      }
      column.setTable(t);
      // 设置checkbox的值
      PublicUtil.judgeCheckboxValue(column, "isNull,isShow,isShowList,isQuery,isKey");
      if (oConvertUtils.isEmpty(column.getId())) {
        databaseFieldIsChange = true;
        this.save(column);
      } else {
        CgFormFieldEntity c = this.getEntity(CgFormFieldEntity.class, column.getId());
        if (!databaseFieldIsChange && databaseFieldIsChange(c, column)) {
          databaseFieldIsChange = true;
        }
        try {
          MyBeanUtils.copyBeanNotNull2Bean(column, c);
        } catch (Exception e) {
          e.printStackTrace();
          logger.error(e);
        }
        this.saveOrUpdate(c);
      }
    }
    t.setIsDbSynch(databaseFieldIsChange ? "N" : t.getIsDbSynch());

    // 表单配置修改,版本号未升级
    Integer newVerion = Integer.parseInt(t.getJformVersion()) + 1;
    t.setJformVersion(newVerion.toString());
    this.saveOrUpdate(t);
  }
  /**
   * 添加通过JDBC访问数据库
   *
   * @param ids
   * @return
   */
  @RequestMapping(params = "save")
  @ResponseBody
  public AjaxJson save(SbJdbcEntity sbJdbc, HttpServletRequest request) {
    AjaxJson j = new AjaxJson();
    if (StringUtil.isNotEmpty(sbJdbc.getId())) {
      message = "更新成功";
      SbJdbcEntity t = sbJdbcService.get(SbJdbcEntity.class, sbJdbc.getId());
      try {
        MyBeanUtils.copyBeanNotNull2Bean(sbJdbc, t);
        sbJdbcService.saveOrUpdate(t);
        systemService.addLog(message, Globals.Log_Type_UPDATE, Globals.Log_Leavel_INFO);
      } catch (Exception e) {
        e.printStackTrace();
      }
    } else {
      message = "添加成功";
      sbJdbcService.save(sbJdbc);
      systemService.addLog(message, Globals.Log_Type_INSERT, Globals.Log_Leavel_INFO);
    }

    return j;
  }