@Transactional
public ShopExecution addShop(Shop shop, File shopImg) {
//1.空值判断
if(shop == null) {
return new ShopExecution(ShopStateEnum.NULL_SHOP);
}

	try {
		//2.给店铺信息赋初始值
		shop.setEnableStatus(0);
		shop.setCreateTime(new Date());
		shop.setLastEditTime(new Date());
		//3.添加店铺信息
		int effectedNum=shopDao.insertShop(shop);
		if(effectedNum <= 0) {
			throw new ShopOperationException("店铺创建失败");
		}else {
			if(shopImg != null) {
				//存储图片
				try {
					addShopImg(shop, shopImg);
				} catch (Exception e) {
					throw new ShopOperationException("addShopImg error:" + e.getMessage());
				}
				// 更新店铺的图片地址
				effectedNum = shopDao.updateShop(shop);
				if (effectedNum <= 0) {
					throw new ShopOperationException("更新图片地址失败");
				}
			}
		}
	} catch (Exception e) {
	}
	return new ShopExecution(ShopStateEnum.CHECK, shop);
	
}
private void addShopImg(Shop shop, File shopImg) {
	
	//获取shop图片目录的相对值路径
	String dest = PathUtil.getShopImagePath(shop.getShopId());
	
	String shopImgAddr = ImageUtil.generateThumbnail(shopImg, dest);
	
	shop.setShopImg(shopImgAddr);
	
}