清空购物车商品功能开发

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

@@ -6,6 +6,7 @@ import com.sky.entity.ShoppingCart;
 import com.sky.result.Result;
 import com.sky.service.ShoppingCartService;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.ibatis.annotations.Delete;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
@@ -42,4 +43,13 @@ public class ShoppingCartController {
         return Result.success(shoppingCartService.list());
     }
 
+    /**
+     * 清空购物车
+     * @return
+     */
+    @DeleteMapping("/clean")
+    public Result delete(){
+        shoppingCartService.clean();
+        return Result.success();
+    }
 }

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

@@ -2,6 +2,7 @@ package com.sky.mapper;
 
 
 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;
@@ -33,4 +34,11 @@ 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 shoppingCart);
+
+    /**
+     * 根据用户id删除购物车数据
+     * @param userId
+     */
+    @Delete("delete from shopping_cart where user_id = #{uerId}")
+    void deleteByUserId(Long userId);
 }

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

@@ -18,4 +18,9 @@ public interface ShoppingCartService {
      */
     List<ShoppingCart> list();
 
+    /**
+     * 清空购物车
+     */
+    void clean();
+
 }

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

@@ -82,4 +82,12 @@ public class ShoppingCartServiceImpl implements ShoppingCartService {
         List<ShoppingCart> list = shoppingCartMapper.list(shoppingCart);
         return list;
     }
+
+    /**
+     * 清空购物车
+     * 根据用户id删除购物车数据
+     */
+    public void clean(){
+        shoppingCartMapper.deleteByUserId(BaseContext.getCurrentId());
+    }
 }