shop--9.商品类别--批量操作--增加类别（后端）

dao层

    /**
     * 批量新增商品类别
     * 
     * @param productCategoryList
     * @return
     */
    int batchInsertProductCategory(List<ProductCategory> productCategoryList);

映射文件

    <insert id="batchInsertProductCategory"
        parameterType="java.util.List">
        INSERT INTO
        tb_product_category(product_category_name,priority,create_time,shop_id)
        VALUES
        <foreach collection="list" item="productCategory"
            index="index" separator=",">
            (
            #{productCategory.productCategoryName},
            #{productCategory.priority},
            #{productCategory.createTime},
            #{productCategory.shopId}
            )

        </foreach>
    </insert>

Service层

    /**
     * 批量添加商品类别
     * 
     * @param productCategoryList
     * @return
     * @throws ProductCategoryOperationException
     */
    ProductCategoryExecution batchAddProductCategory(List<ProductCategory> productCategoryList) throws ProductCategoryOperationException;

Service的实现类

    @Transactional
    @Override
    public ProductCategoryExecution batchAddProductCategory(List<ProductCategory> productCategoryList)
            throws ProductCategoryOperationException {
        if(productCategoryList != null && productCategoryList.size() > 0) {
            try {
                int effectNum = productCategoryDao.batchInsertProductCategory(productCategoryList);
                if(effectNum <= 0) {
                    throw new ProductCategoryOperationException("创建店铺类别失败");
                }else {
                    return new ProductCategoryExecution(ProductCategoryStateEnum.SUCCESS);
                }
            }catch (Exception e) {
                throw new ProductCategoryOperationException("batchAddProductCategory error :" + e.getMessage());
            }
        }else {
            return new ProductCategoryExecution(ProductCategoryStateEnum.EMPTY_LIST);
        }
    }

Controller层

    @RequestMapping(value = "/addproductcategorys", method = RequestMethod.POST)
    @ResponseBody
    private Map<String, Object> addProductCategorys(@RequestBody List<ProductCategory> productCategoryList,
            HttpServletRequest request) {
        Map<String, Object> modelMap = new HashMap<String, Object>();
        /* 为什么要取出这个值呢，因为productCategoryList是需要店铺id的 */
        Shop currentShop = (Shop) request.getSession().getAttribute("currentShop");
        // 将需要添加的每一个类别都设置成当前店铺的shopid
        for (ProductCategory pc : productCategoryList) {
            pc.setShopId(currentShop.getShopId());
        }

        if (productCategoryList != null && productCategoryList.size() > 0) {
            try {
                ProductCategoryExecution pe = productCategoryService.batchAddProductCategory(productCategoryList);
                if (pe.getState() == ProductCategoryStateEnum.SUCCESS.getState()) {
                    modelMap.put("success", true);
                } else {
                    modelMap.put("success", false);
                    modelMap.put("errMsg", pe.getStateInfo());
                }
            } catch (ProductCategoryOperationException e) {
                modelMap.put("success", false);
                modelMap.put("errMsg", e.toString());
                return modelMap;
            }
        } else {
            modelMap.put("success", false);
            modelMap.put("errMsg", "请输入至少一个商品类别");
        }
        return modelMap;
    }