河北品牌网站建设百度seo设置
目录
删除套餐
需求分析和设计
代码开发
根据id查询套餐
mapper层
Service层
ServiceImpl层
Mapper层
批量删除套餐
mapper层
Service层
ServiceImpl层
Mapper层
SetmealMapper.xml
修改套餐
需求分析和设计
代码开发
起售停售套餐
需求分析和设计
代码开发
1--苍穹外卖-SpringBoot项目介绍及环境搭建 详解-CSDN博客
2--苍穹外卖-SpringBoot项目中员工管理 详解（一）-CSDN博客
3--苍穹外卖-SpringBoot项目中员工管理 详解（二）-CSDN博客
4--苍穹外码-SpringBoot项目中分类管理 详解-CSDN博客
5--苍穹外卖-SpringBoot项目中菜品管理 详解（一）-CSDN博客
6--苍穹外卖-SpringBoot项目中菜品管理 详解（二）-CSDN博客
7--苍穹外卖-SpringBoot项目中套餐管理 详解（一）-CSDN博客
8--苍穹外卖-SpringBoot项目中套餐管理 详解（二）-CSDN博客
9--苍穹外卖-SpringBoot项目中Redis的介绍及其使用实例 详解-CSDN博客
10--苍穹外卖-SpringBoot项目中微信登录 详解-CSDN博客
删除套餐
需求分析和设计
业务规则：
-
可以一次删除一个套餐，也可以批量删除套餐
-
起售中的套餐不能删除
-
删除套餐后，菜品的关联数据也需要删除掉
代码开发
根据id查询套餐
mapper层
//根据id查询套餐@GetMapping("/{id}")@ApiOperation("根据id查询套餐")public Result<SetmealVO> getById(@PathVariable Long id){log.info("根据id查询套餐：{}",id);SetmealVO setmealVO=setmealService.getByIdWithDish(id);return Result.success(setmealVO);}Service层
//根据id查询套餐SetmealVO getByIdWithDish(Long id);ServiceImpl层
//根据id查询套餐@Overridepublic SetmealVO getByIdWithDish(Long id) {Setmeal setmeal=setmealMapper.getById(id);List<SetmealDish> setmealDishes=setmealDishMapper.getDishId(id);SetmealVO setmealVO = new SetmealVO();BeanUtils.copyProperties(setmeal,setmealVO);setmealVO.setSetmealDishes(setmealDishes);return setmealVO;}Mapper层
//根据id查询套餐@Select("select *from setmeal where id=#{id}")Setmeal getById(Long id); //根据id查询对应的菜品数据@Select("select *from setmeal_dish where setmeal_id=#{dishId}")List<SetmealDish> getDishId(Long dishId);批量删除套餐
mapper层
//批量删除套餐@DeleteMapping@ApiOperation("批量删除套餐")public Result<String> delete(@RequestParam List<Long> ids){log.info("批量删除套餐：{}",ids);setmealService.deleteBatch(ids);return Result.success();}Service层
//批量删除套餐void deleteBatch(List<Long> ids);ServiceImpl层
//批量删除套餐@Override@Transactionalpublic void deleteBatch(List<Long> ids) {for (Long id:ids){Setmeal setmeal=setmealMapper.getById(id);if (Objects.equals(setmeal.getStatus(), StatusConstant.ENABLE)) {throw new DeletionNotAllowedException(MessageConstant.SETMEAL_ON_SALE);}}setmealMapper.deleteByIds(ids);setmealMapper.deleteByDishIds(ids);}Mapper层
//根据id集合批量删除套餐数据void deleteByIds(List<Long> ids);//根据id集合批量删除套餐关联的菜品数据void deleteByDishIds(List<Long> ids);SetmealMapper.xml
<delete id="deleteByIds">
delete from setmeal where id in<foreach collection="ids" open="(" separator="," close=")" item="id">#{id}</foreach></delete><delete id="deleteByDishIds">delete from setmeal_dish where setmeal_id in <foreach collection="dishIds" open="(" close=")" separator="," item="dishId">#{dishId}</foreach></delete>修改套餐
需求分析和设计
代码开发
Controller层
//修改套餐@PutMapping@ApiOperation("修改套餐")public Result<String> update(@RequestBody SetmealDTO setmealDTO){log.info("修改套餐：{}",setmealDTO);setmealService.update(setmealDTO);return Result.success();}Service层
//修改套餐void update(SetmealDTO setmealDTO);ServiceImpl层
//修改套餐@Overridepublic void update(SetmealDTO setmealDTO) {Setmeal setmeal = new Setmeal();BeanUtils.copyProperties(setmealDTO,setmeal);setmealMapper.update(setmeal);setmealDishMapper.deleteByDishId(setmealDTO.getId());List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();if(setmealDishes!=null&&!setmealDishes.isEmpty()){setmealDishes.forEach(setmealDish -> {setmealDish.setSetmealId(setmealDTO.getId());});setmealDishMapper.insertBatch(setmealDishes);}}Mapper层
//根据id动态修改套餐数据@AutoFill(value = OperationType.UPDATE)void update(Setmeal setmeal); //根据套餐id删除对应的菜品数据@Delete("delete from setmeal_dish where setmeal_id=#{dishId}")void deleteByDishId(Long dishId);SetmealMapper.xml
<update id="update">update dish<set><if test="name!=null">name=#{name},</if><if test="categoryId!=null">category_id=#{categoryId},</if><if test="price!=null">price=#{price},</if><if test="image!=null">image=#{image},</if><if test="description!=null">description=#{description},</if><if test="status!=null">status=#{status},</if><if test="updateTime!=null">update_time=#{updateTime},</if><if test="updateUser!=null">update_user=#{updateUser},</if></set>where id=#{id}</update>起售停售套餐
需求分析和设计
业务规则：
- 可以对状态为“启售” 的套餐进行“停售”操作
- 可以对状态为“停售”的套餐进行“启售”操作
- 状态为“停售”的套餐不在前台展示
代码开发
Controller层
//起售禁售套餐@PostMapping("/status/{status}")@ApiOperation("起售禁售套餐")public Result<String> startOrStop(@PathVariable Integer status,Long id){log.info("起售禁售套餐：{}，{}",status,id);setmealService.startOrStop(status,id);return Result.success();}Service层
//起售禁售套餐void startOrStop(Integer status, Long id);ServiceImpl层
//起售禁售套餐@Overridepublic void startOrStop(Integer status, Long id) {Setmeal setmeal = Setmeal.builder().status(status).id(id).build();setmealMapper.update(setmeal);}