// ajax 修改
  public String updateKbDiseaseAjax() {
    log.info(logprefix + "updateKbDiseaseAjax,id=" + kbDisease.getId());
    ReturnJson returnJson = new ReturnJson();
    try {
      if (kbDisease.getId() != null && kbDisease.getId() > 0) {
        KbDisease tempKbDisease = kbDiseaseService.selectKbDiseaseById(kbDisease.getId());

        //              选择能更改的属性,与界面一致
        tempKbDisease.setName(kbDisease.getName());
        tempKbDisease.setDescription(kbDisease.getDescription());
        tempKbDisease.setKeshiid(kbDisease.getKeshiid());

        kbDiseaseService.updateKbDisease(tempKbDisease);
        returnJson.setFlag(1);
        returnJson.setReason("修改成功");
        JSONObject jo = JSONObject.fromObject(returnJson);
        this.returnStr = jo.toString();
        // actionMsg = getText("viewKbDiseaseSuccess");
        return SUCCESS;

      } else {
        actionMsg = getText("viewKbDiseaseFail");
        log.info(logprefix + "updateKbDiseaseAjax fail");
      }

    } catch (Exception e) {
      e.printStackTrace();
      log.error("类KbDiseaseAction的方法:viewKbDisease错误" + e);
    }

    returnJson.setFlag(0);
    JSONObject jo = JSONObject.fromObject(returnJson);
    this.returnStr = jo.toString();
    return SUCCESS;
  }