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删除菜品业务代码开发

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zvv
2026-03-27 21:32:16 +08:00
parent 2b6dd353e8
commit 0a6eff7714
8 changed files with 200 additions and 6 deletions
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41
sky-server/src/main/java/com/sky/controller/admin/DishController.java
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@@ -3,16 +3,17 @@ package com.sky.controller.admin;
import com.sky.constant.MessageConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.*;
import java.util.List;
/**
@@ -42,4 +43,36 @@ public class DishController {
dishService.saveWithFlavor(dishDTO);
return Result.success();
}
/**
* 菜品分页查询
* @param dishPageQueryDTO
* @return
*/
@GetMapping("/page")
@ApiOperation("菜品分页查询")
public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
log.info("菜品分页查询:{}", dishPageQueryDTO);
PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
return Result.success(pageResult);
}
/**
* 菜品批量删除
* @param ids
* @return
*/
@DeleteMapping
@ApiOperation("菜品批量删除")
public Result delete(@RequestParam List<Long> ids){ //SpringMVC动态地将字符串解析成数字
log.info("菜品批量删除:{}", ids);
dishService.deleteBatch(ids);
return Result.success();
}
}

9
sky-server/src/main/java/com/sky/mapper/DishFlavorMapper.java
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@@ -2,6 +2,7 @@ package com.sky.mapper;
import com.sky.entity.DishFlavor;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;
@@ -14,4 +15,12 @@ public interface DishFlavorMapper {
* @param flavors
*/
void insertBatch(List<DishFlavor> flavors);
/**
* 根据菜品id删除对应的口味数据
* @param dishId
*/
@Delete("delete from dish_flavor where dish_id = #{dishId}")
void deleteByDishId(Long dishId);
}

29
sky-server/src/main/java/com/sky/mapper/DishMapper.java
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@@ -1,8 +1,12 @@
package com.sky.mapper;
import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@@ -24,4 +28,29 @@ public interface DishMapper {
*/
@AutoFill(value = OperationType.INSERT) //公共字段自动填充 不需要手动赋值
void insert(Dish dish);
/**
* 菜品分页查询
* @param dishPageQueryDTO
* @return
*/
Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);
/**
* 根据主键查询菜品
* @param id
* @return
*/
@Select("select * from dish where id = #{id}")
Dish getById(Long id);
/**
* 根据主键删除菜品id
* @param id
*/
@Delete("delete from dish where id = #{id}")
void deleteById(Long id);
}

18
sky-server/src/main/java/com/sky/mapper/SetmealDishMapper.java Normal file
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@@ -0,0 +1,18 @@
package com.sky.mapper;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;
@Mapper
public interface SetmealDishMapper {
/**
* 根据菜品id查询多个套餐id
* @param dishIds
* @return
*/
List<Long> getSetmealIdsByDishIds(List<Long> dishIds);
}

19
sky-server/src/main/java/com/sky/service/DishService.java
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@@ -1,6 +1,10 @@
package com.sky.service;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import java.util.List;
public interface DishService {
@@ -10,4 +14,19 @@ public interface DishService {
* @param dishDTO
*/
public void saveWithFlavor(DishDTO dishDTO);
/**
* 菜品分页查询
* @param dishPageQueryDTO
* @return
*/
PageResult pageQuery(DishPageQueryDTO dishPageQueryDTO);
/**
* 菜品批量删除
* @param ids
*/
void deleteBatch(List<Long> ids);
}

60
sky-server/src/main/java/com/sky/service/impl/DishServiceImpl.java
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@@ -1,11 +1,20 @@
package com.sky.service.impl;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.DishFlavor;
import com.sky.exception.DeletionNotAllowedException;
import com.sky.mapper.DishFlavorMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealDishMapper;
import com.sky.result.PageResult;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@@ -20,10 +29,10 @@ public class DishServiceImpl implements DishService {
@Autowired
private DishMapper dishMapper;
@Autowired
private DishFlavorMapper dishFlavorMapper;
@Autowired
private SetmealDishMapper setmealDishMapper;
/**
* 新增菜品和对应的口味数据
@@ -53,4 +62,51 @@ public class DishServiceImpl implements DishService {
}
}
/**
* 菜品分页查询
* @param dishPageQueryDTO
* @return
*/
@Override
public PageResult pageQuery(DishPageQueryDTO dishPageQueryDTO) {
PageHelper.startPage(dishPageQueryDTO.getPage(), dishPageQueryDTO.getPageSize());
Page<DishVO> page = dishMapper.pageQuery(dishPageQueryDTO);
return new PageResult(page.getTotal(), page.getResult());
}
/**
* 菜品批量删除
* @param ids
*/
@Override
@Transactional //涉及多个表的数据操作 开启事务注解 保持数据的一致性
public void deleteBatch(List<Long> ids) {
//判断当前菜品是否能够被删除 是否存在起售中的菜品
for (Long id : ids) {
Dish dish = dishMapper.getById(id);
if(dish.getStatus() == StatusConstant.ENABLE){
//当前菜品处于起售状态
throw new DeletionNotAllowedException(MessageConstant.DISH_ON_SALE);
}
}
//判断当前菜品是否能够被删除 是否被套餐关联
List<Long> setmealIds = setmealDishMapper.getSetmealIdsByDishIds(ids);
if (setmealIds != null && setmealIds.size() > 0) {
throw new DeletionNotAllowedException(MessageConstant.DISH_BE_RELATED_BY_SETMEAL);
}
//删除菜品表中的菜品数据
for (Long id : ids) {
dishMapper.deleteById(id);
//删除菜品关联的口味数据
dishFlavorMapper.deleteByDishId(id);
}
}
}

17
sky-server/src/main/resources/mapper/DishMapper.xml
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@@ -9,4 +9,21 @@
values
(#{name}, #{categoryId}, #{price}, #{image}, #{description}, #{createTime}, #{updateTime}, #{createUser}, #{updateUser}, #{status})
</insert>
<select id="pageQuery" resultType="com.sky.vo.DishVO">
select d.*, c.name as categoryName from dish d left outer join category c on d.category_id = c.id
<where>
<if test="name != null">
and d.name like concat('%', #{name}, '%')
</if>
<if test="categoryId != null">
and d.category_id = #{categoryId}
</if>
<if test="status != null">
and d.status = #{status}
</if>
</where>
order by d.create_time desc
</select>
</mapper>

13
sky-server/src/main/resources/mapper/SetmealDishMapper.xml Normal file
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@@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.sky.mapper.SetmealDishMapper">
<select id="getSetmealIdsByDishIds" resultType="java.lang.Long">
select setmeal_id from setmeal_dish where dish_id in
<foreach collection="dishIds" item="dishId" separator="," open="(" close=")">
#{dishId}
</foreach>
</select>
</mapper>