根据id查询菜品

sky-server/src/main/java/com/sky/controller/admin/DishController.java

@@ -5,6 +5,7 @@ import com.sky.dto.DishPageQueryDTO;
 import com.sky.result.PageResult;
 import com.sky.result.Result;
 import com.sky.service.DishService;
+import com.sky.vo.DishVO;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
@@ -61,4 +62,17 @@ public class DishController {
         dishService.deleteBatch(ids);
         return Result.success();
     }
+
+    /**
+     * 根据id查询菜品
+     * @param id Long
+     * @return Result<DishVO>
+     */
+    @ApiOperation("根据id查询菜品")
+    @GetMapping("/{id}")
+    public Result<DishVO> getBydId(@PathVariable Long id) {
+        log.info("根据id查询菜品：{}",id);
+        DishVO dishVO = dishService.getByIdWithFlavor(id);
+        return Result.success(dishVO);
+    }
 }

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

@@ -23,4 +23,11 @@ public interface DishFlavorMapper {
      * @param dishIds List<Long>
      */
     void deleteByDishIds(List<Long> dishIds);
+
+    /**
+     * 根据菜品id查询口味数据
+     * @param id Long
+     * @return DishFlavor
+     */
+    List<DishFlavor> getByDishId(Long id);
 }

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

@@ -3,6 +3,7 @@ package com.sky.service;
 import com.sky.dto.DishDTO;
 import com.sky.dto.DishPageQueryDTO;
 import com.sky.result.PageResult;
+import com.sky.vo.DishVO;
 
 import java.util.List;
 
@@ -26,4 +27,11 @@ public interface DishService {
      * @param ids List<Long>
      */
     void deleteBatch(List<Long> ids);
+
+    /**
+     * 根据id查询菜品
+     * @param id Long
+     * @return DishVO
+     */
+    DishVO getByIdWithFlavor(Long id);
 }

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

@@ -97,4 +97,24 @@ public class DishServiceImpl implements DishService {
         // 删除菜品关联的口味数据
         dishFlavorMapper.deleteByDishIds(ids);
     }
+
+    /**
+     * 根据id查询菜品
+     *
+     * @param id Long
+     * @return DishVO
+     */
+    @Override
+    public DishVO getByIdWithFlavor(Long id) {
+        // 根据id查询菜品数据
+        Dish dish = dishMapper.getById(id);
+        // 根据菜品id查询口味数据
+        List<DishFlavor> flavorList = dishFlavorMapper.getByDishId(id);
+        // 将查询到的菜品数据Vo
+        DishVO dishVO = new DishVO();
+        BeanUtils.copyProperties(dish, dishVO);
+        dishVO.setFlavors(flavorList);
+
+        return dishVO;
+    }
 }

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

@@ -27,4 +27,11 @@
             #{dishId}
         </foreach>
     </delete>
+
+    <!-- 根据菜品id查询口味数据 -->
+    <select id="getByDishId" resultType="com.sky.entity.DishFlavor">
+        select *
+        from dish_flavor
+        where dish_id = #{dishId};
+    </select>
 </mapper>