shop--9.商品类别--批量操作--增加类别

dao层

1     /**
2      * 批量新增商品类别
3      * 
4      * @param productCategoryList
5      * @return
6      */
7     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

1     /**
2      * 批量添加商品类别
3      * 
4      * @param productCategoryList
5      * @return
6      * @throws ProductCategoryOperationException
7      */
8     ProductCategoryExecution batchAddProductCategory(List<ProductCategory> productCategoryList) throws ProductCategoryOperationException;

Service的实现类

 1     @Transactional
 2     @Override
 3     public ProductCategoryExecution batchAddProductCategory(List<ProductCategory> productCategoryList)
 4             throws ProductCategoryOperationException {
 5         if(productCategoryList != null && productCategoryList.size() > 0) {
 6             try {
 7                 int effectNum = productCategoryDao.batchInsertProductCategory(productCategoryList);
 8                 if(effectNum <= 0) {
 9                     throw new ProductCategoryOperationException("创建店铺类别失败");
10                 }else {
11                     return new ProductCategoryExecution(ProductCategoryStateEnum.SUCCESS);
12                 }
13             }catch (Exception e) {
14                 throw new ProductCategoryOperationException("batchAddProductCategory error :" + e.getMessage());
15             }
16         }else {
17             return new ProductCategoryExecution(ProductCategoryStateEnum.EMPTY_LIST);
18         }
19     }

Controller层

 1     @RequestMapping(value = "/addproductcategorys", method = RequestMethod.POST)
 2     @ResponseBody
 3     private Map<String, Object> addProductCategorys(@RequestBody List<ProductCategory> productCategoryList,
 4             HttpServletRequest request) {
 5         Map<String, Object> modelMap = new HashMap<String, Object>();
 6         /* 为什么要取出这个值呢，因为productCategoryList是需要店铺id的 */
 7         Shop currentShop = (Shop) request.getSession().getAttribute("current");
 8         // 将需要添加的每一个类别都设置成当前店铺的shopid
 9         for (ProductCategory pc : productCategoryList) {
10             pc.setShopId(currentShop.getShopId());
11         }
12 
13         if (productCategoryList != null && productCategoryList.size() > 0) {
14             try {
15                 ProductCategoryExecution pe = productCategoryService.batchAddProductCategory(productCategoryList);
16                 if (pe.getState() == ProductCategoryStateEnum.SUCCESS.getState()) {
17                     modelMap.put("success", true);
18                 } else {
19                     modelMap.put("success", false);
20                     modelMap.put("errMsg", pe.getStateInfo());
21                 }
22             } catch (ProductCategoryOperationException e) {
23                 modelMap.put("success", false);
24                 modelMap.put("errMsg", e.toString());
25                 return modelMap;
26             }
27         } else {
28             modelMap.put("success", false);
29             modelMap.put("errMsg", "请输入至少一个商品类别");
30         }
31         return modelMap;
32     }