苍穹外卖--清空购物车

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

@@ -36,4 +36,13 @@ public class ShoppingCartController {
         List<ShoppingCart> list = shoppingCartService.showShoppingCart();
         return Result.success(list);
     }
+
+
+    @DeleteMapping("/clean")
+    @ApiOperation("清空购物车")
+    public Result cleanShoppingCart(){
+        log.info("清空购物车");
+        shoppingCartService.cleanShoppingCart();
+        return Result.success();
+    }
 }

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

@@ -2,9 +2,11 @@ package com.sky.mapper;
 
 import com.sky.dto.ShoppingCartDTO;
 import com.sky.entity.ShoppingCart;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Update;
+import org.springframework.web.bind.annotation.DeleteMapping;
 
 import java.util.List;
 
@@ -21,4 +23,7 @@ public interface ShoppingCartMapper {
     @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
             "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
     void insert(ShoppingCart cart);
+
+    @Delete("delete from shopping_cart where user_id = #{userId}")
+    void deleteByUserId(Long userId);
 }

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

@@ -15,4 +15,9 @@ public interface ShoppingCartService {
     查看购物车
      */
     List<ShoppingCart> showShoppingCart();
+
+    /*
+    清空购物车
+     */
+    void cleanShoppingCart();
 }

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

@@ -104,4 +104,13 @@ public class ShoppingCartServiceImpl implements ShoppingCartService {
 
         return shoppingCartMapper.list(cart);
     }
+
+    /*
+    清空购物车
+     */
+    @Override
+    public void cleanShoppingCart() {
+
+        shoppingCartMapper.deleteByUserId(BaseContext.getCurrentId());
+    }
 }