--no commit message

com.zrqx.resource/src/main/java/com/zrqx/resource/fg/service/shoppingcart/FgShoppingCartService.java

@@ -71,5 +71,12 @@ public interface FgShoppingCartService extends BaseService<ShoppingCart, Integer
 
 	Integer isContain(List<Integer> list);
 
+	/**
+	 * 修改购物车数量
+	 * @param form
+	 * @return
+	 */
+	boolean updateShoppingCartNum(ShoppingCartForm form);
+
 
 }

com.zrqx.resource/src/main/java/com/zrqx/resource/fg/service/shoppingcart/FgShoppingCartServiceImpl.java

@@ -397,6 +397,21 @@ public class FgShoppingCartServiceImpl extends BaseServiceImpl<ShoppingCart, Int
 		return shoppingCartVo.getIsContain();
 	}
 
-
+	/**
+	 * 修改购物车商品数量
+	 */
+	@Override
+	public boolean updateShoppingCartNum(ShoppingCartForm form) {
+		ShoppingCart shoppingCart = new ShoppingCart();
+		shoppingCart.setGoodsId(form.getGoodsId());
+		shoppingCart.setGoodsType(form.getGoodsType());
+		shoppingCart.setUserId(redis.getMember().getId());
+		ShoppingCart shoppingCartRecord = fgShoppingCartMapper.selectOne(shoppingCart);
+		if(shoppingCartRecord == null){
+			throw new BusinessValidateException("购物车中不存在此商品");
+		}
+		shoppingCartRecord.setNum(form.getNum());
+		return fgShoppingCartMapper.updateByPrimaryKeySelective(shoppingCartRecord) > 0;
+	}
 
 }