// 保存
  @Validations(
      requiredStrings = {
        @RequiredStringValidator(fieldName = "goodsType.name", message = "类型名称不允许为空!")
      })
  @InputConfig(resultName = "error")
  public String save() {
    if (brandList != null) {
      goodsType.setBrandSet(new HashSet<Brand>(brandList));
    } else {
      goodsType.setBrandSet(null);
    }

    if (goodsParameterList != null) {
      for (Iterator<GoodsParameter> iterator = goodsParameterList.iterator();
          iterator.hasNext(); ) {
        GoodsParameter goodsParameter = iterator.next();
        if (goodsParameter == null || StringUtils.isEmpty(goodsParameter.getName())) {
          iterator.remove();
        }
      }
    }
    goodsType.setGoodsParameterList(goodsParameterList);
    goodsTypeService.save(goodsType);
    if (goodsAttributeList != null) {
      for (GoodsAttribute goodsAttribute : goodsAttributeList) {
        if (StringUtils.isEmpty(goodsAttribute.getName())
            || goodsAttribute.getAttributeType() == null
            || (goodsAttribute.getAttributeType() == AttributeType.filter
                && StringUtils.isEmpty(goodsAttribute.getOptionText()))) {
          continue;
        }
        Integer unusedPropertyIndex = goodsAttributeService.getUnusedPropertyIndex(goodsType);
        if (unusedPropertyIndex != null) {
          goodsAttribute.setGoodsType(goodsType);
          goodsAttribute.setPropertyIndex(unusedPropertyIndex);
          goodsAttributeService.save(goodsAttribute);
        }
      }
    }
    cacheService.flushGoodsListPageCache(getRequest());
    redirectUrl = "goods_type!list.action";
    return SUCCESS;
  }
 // 删除
 public String delete() {
   goodsTypeService.delete(ids);
   return ajax(Status.success, "删除成功!");
 }
 // 编辑
 public String edit() {
   goodsType = goodsTypeService.load(id);
   return INPUT;
 }
 // 列表
 public String list() {
   pager = goodsTypeService.findPager(pager);
   return LIST;
 }
  // 更新
  @InputConfig(resultName = "error")
  public String update() {
    if (brandList != null) {
      goodsType.setBrandSet(new HashSet<Brand>(brandList));
    } else {
      goodsType.setBrandSet(null);
    }

    if (goodsParameterList != null) {
      for (Iterator<GoodsParameter> iterator = goodsParameterList.iterator();
          iterator.hasNext(); ) {
        GoodsParameter goodsParameter = iterator.next();
        if (goodsParameter == null || StringUtils.isEmpty(goodsParameter.getName())) {
          iterator.remove();
        }
      }
    }
    goodsType.setGoodsParameterList(goodsParameterList);

    GoodsType persistent = goodsTypeService.load(id);
    if (goodsAttributeList != null) {
      Set<GoodsAttribute> persistentGoodsAttributeSet = persistent.getGoodsAttributeSet();
      for (GoodsAttribute persistentGoodsAttribute : persistentGoodsAttributeSet) {
        if (!goodsAttributeList.contains(persistentGoodsAttribute)) {
          goodsAttributeService.delete(persistentGoodsAttribute);
        }
      }
      for (GoodsAttribute goodsAttribute : goodsAttributeList) {
        if (goodsAttribute == null
            || StringUtils.isEmpty(goodsAttribute.getName())
            || goodsAttribute.getAttributeType() == null
            || (goodsAttribute.getAttributeType() == AttributeType.filter
                && StringUtils.isEmpty(goodsAttribute.getOptionText()))) {
          continue;
        }
        if (StringUtils.isNotEmpty(goodsAttribute.getId())) {
          GoodsAttribute persistentGoodsAttribute =
              goodsAttributeService.load(goodsAttribute.getId());
          BeanUtils.copyProperties(
              goodsAttribute,
              persistentGoodsAttribute,
              new String[] {"id", "createDate", "modifyDate", "goodsType", "propertyIndex"});
          goodsAttributeService.update(persistentGoodsAttribute);
        } else {
          Integer unusedPropertyIndex = goodsAttributeService.getUnusedPropertyIndex(persistent);
          if (unusedPropertyIndex != null) {
            goodsAttribute.setGoodsType(persistent);
            goodsAttribute.setPropertyIndex(unusedPropertyIndex);
            goodsAttributeService.save(goodsAttribute);
          }
        }
      }
    } else {
      Set<GoodsAttribute> persistentGoodsAttributeSet = persistent.getGoodsAttributeSet();
      for (GoodsAttribute persistentGoodsAttribute : persistentGoodsAttributeSet) {
        goodsAttributeService.delete(persistentGoodsAttribute);
      }
    }
    BeanUtils.copyProperties(
        goodsType,
        persistent,
        new String[] {"id", "createDate", "modifyDate", "goodsAttributeSet", "goodsSet"});
    goodsTypeService.update(persistent);
    cacheService.flushGoodsListPageCache(getRequest());
    redirectUrl = "goods_type!list.action";
    return SUCCESS;
  }