清空购物车

sky-server/src/main/java/com/sky/controller/user/ShoppingCartController.java

@@ -46,4 +46,16 @@ public class ShoppingCartController {
         List<ShoppingCart> list = shoppingCartService.showShoppingCart();
         return Result.success(list);
     }
+
+    /**
+     * 清空购物车
+     *
+     * @return Result<String>
+     */
+    @ApiOperation("清空购物车")
+    @DeleteMapping("/clean")
+    public Result<String> clean() {
+        shoppingCartService.clean();
+        return Result.success();
+    }
 }

sky-server/src/main/java/com/sky/mapper/ShoppingCartMapper.java

@@ -28,4 +28,11 @@ public interface ShoppingCartMapper {
      * @param shoppingCart ShoppingCart
      */
     void insert(ShoppingCart shoppingCart);
+
+    /**
+     * 清空购物车
+     *
+     * @param userId 用户id
+     */
+    void deleteByUserId(Long userId);
 }

sky-server/src/main/java/com/sky/service/ShoppingCartService.java

@@ -20,4 +20,9 @@ public interface ShoppingCartService {
      * @return 购物车集合
      */
     List<ShoppingCart> showShoppingCart();
+
+    /**
+     * 清空购物车
+     */
+    void clean();
 }

sky-server/src/main/java/com/sky/service/impl/ShoppingCartServiceImplImpl.java

@@ -82,4 +82,13 @@ public class ShoppingCartServiceImplImpl implements ShoppingCartService {
         ShoppingCart shoppingCart = ShoppingCart.builder().userId(currentId).build();
         return shoppingCartMapper.list(shoppingCart);
     }
+
+    /**
+     * 清空购物车
+     */
+    @Override
+    public void clean() {
+        Long currentId = BaseContext.getCurrentId();
+        shoppingCartMapper.deleteByUserId(currentId);
+    }
 }

sky-server/src/main/resources/mapper/ShoppingCart.xml

@@ -16,6 +16,13 @@
         where id = #{id};
     </update>
 
+    <!-- 清空购物车 -->
+    <delete id="deleteByUserId">
+        delete
+        from shopping_cart
+        where user_id = #{userId};
+    </delete>
+
     <!-- 添加购物车 -->
     <select id="list" resultType="com.sky.entity.ShoppingCart">
         select *