购物车商品数量修改接口开发

xdclass-product-service/src/main/java/net/jieyuu/controller/CartController.java

@@ -41,6 +41,14 @@ public class CartController {
         return JsonData.buildSuccess();
     }
 
+    @ApiOperation("添加到购物车")
+    @PostMapping("/change")
+    public JsonData changeItemNum(@ApiParam("购物项") @RequestBody CartItemRequest cartItemRequest) {
+        cartService.changeItemNum(cartItemRequest);
+        return JsonData.buildSuccess();
+    }
+
+
 
     @ApiOperation("清空购物车")
     @DeleteMapping("/clear")
@@ -55,4 +63,11 @@ public class CartController {
         CartVO cartVO = cartService.getMyCart();
         return JsonData.buildSuccess(cartVO);
     }
+
+    @ApiOperation("删除购物项")
+    @DeleteMapping("/delete/{product_id}")
+    public JsonData deleteItem(@ApiParam(value = "商品id", required = true) @PathVariable("product_id") long productId) {
+        cartService.deleteItem(productId);
+        return JsonData.buildSuccess();
+    }
 }

xdclass-product-service/src/main/java/net/jieyuu/service/CartService.java

@@ -22,4 +22,18 @@ public interface CartService {
      * @return
      */
     CartVO getMyCart();
+
+    /**
+     * 删除购物项
+     *
+     * @param productId
+     */
+    void deleteItem(long productId);
+
+    /**
+     * 修改购物车商品数量
+     *
+     * @param cartItemRequest
+     */
+    void changeItemNum(CartItemRequest cartItemRequest);
 }

xdclass-product-service/src/main/java/net/jieyuu/service/impl/CartServiceImpl.java

@@ -8,7 +8,6 @@ import net.jieyuu.enums.BizCodeEnum;
 import net.jieyuu.exception.BizException;
 import net.jieyuu.interceptor.LoginInterceptor;
 import net.jieyuu.model.LoginUser;
-import net.jieyuu.model.ProductDO;
 import net.jieyuu.request.CartItemRequest;
 import net.jieyuu.service.CartService;
 import net.jieyuu.service.ProductService;
@@ -95,6 +94,32 @@ public class CartServiceImpl implements CartService {
         return cartVO;
     }
 
+    @Override
+    public void deleteItem(long productId) {
+
+        BoundHashOperations<String, Object, Object> myCartOps = getMyCartOps();
+        myCartOps.delete(productId);
+    }
+
+    /**
+     * 修改商品数量
+     *
+     * @param cartItemRequest
+     */
+    @Override
+    public void changeItemNum(CartItemRequest cartItemRequest) {
+        BoundHashOperations<String, Object, Object> myCartOps = getMyCartOps();
+        Object cartObj = myCartOps.get(cartItemRequest.getProductId());
+        if (cartObj == null || cartItemRequest.getBuyNum() <= 0) {
+            throw new BizException(BizCodeEnum.CART_FILE);
+        }
+        String obj = (String) cartObj;
+
+        CartItemVO cartItemVO = JSON.parseObject(obj, CartItemVO.class);
+        cartItemVO.setBuyNum(cartItemVO.getBuyNum());
+        myCartOps.put(cartItemRequest.getProductId(), JSON.toJSONString(cartItemVO));
+    }
+
     /**
      * 获取最新购物项
      *