@GetMapping("/list")
    public R<List<Dish>> list(Dish dish){

        //构造查询条件
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
        //添加条件，查询状态为1（1为起售，0为停售）的菜品
        queryWrapper.eq(Dish::getStatus,1);

        List<Dish> list = dishService.list(queryWrapper);
        //添加排序条件
        return R.success(list);
    }

    @Autowired
    private SetmealDishService setmealDishService;
    @Override
    public void saveWithDish(SetmealDto setmealDto) {
        super.save(setmealDto);
        List<SetmealDish> setmealDishes = setmealDto.getSetmealDishes();
        List<SetmealDish> collect = setmealDishes.stream().map((item) ->
        {
            Long id = setmealDto.getId();
            item.setSetmealId(id);
            return item;

        }).collect(Collectors.toList());
        setmealDishService.saveBatch(collect);
    }

  }
    @GetMapping("/page")
    public R<Page> list(int page, int pageSize, String name){
        Page<Setmeal> pageInfo=new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        //构造查询条件对象
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null, Setmeal::getName, name);
        //操作数据库
        setmealService.page(pageInfo,queryWrapper);
        BeanUtils.copyProperties(pageInfo,dtoPage,"record");
        List<SetmealDto> collect = pageInfo.getRecords().stream().map((item) ->
        {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            Long categoryId = item.getCategoryId();
            Category byId = categoryService.getById(categoryId);
            String name1 = byId.getName();
            setmealDto.setCategoryName(name1);
            return setmealDto;

        }).collect(Collectors.toList());

        dtoPage.setRecords(collect);


     return    R.success(dtoPage);

    }

 public void removeWithDish(List<Long> ids) {
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.in(Setmeal::getId,ids);
        queryWrapper.eq(Setmeal::getStatus,1);
        int count = super.count(queryWrapper);
        if(count>0){
            throw  new CustomException("套餐正在售卖中，不能删除");
        }
        super.removeByIds(ids);
        LambdaQueryWrapper<SetmealDish> queryWrapper1=new LambdaQueryWrapper<>();
        queryWrapper1.in(SetmealDish::getSetmealId,ids);
        setmealDishService.remove(queryWrapper1);
    }