package com.Chlin.blog.service.impl; import com.Chlin.blog.dao.DishDao; import com.Chlin.blog.entity.Dish; import com.Chlin.blog.mapper.DishMapper; import com.Chlin.blog.service.DishService; import com.baomidou.mybatisplus.core.conditions.Wrapper; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.io.Serializable; import java.math.BigDecimal; import java.util.Collection; import java.util.Date; import java.util.List; import java.util.function.BiFunction; import java.util.function.Predicate; /** *

* 服务实现类 *

* * @author Chlin * @since 2023-08-29 */ @Service public class DishServiceImpl extends ServiceImpl implements DishService { private DishDao dishDao=DishDao.getInstance(); /** * 插入一条菜单数据 * @param dish * @return */ @Override public int insertNewDish(Dish dish) { dishDao.setDishMapper(this.getBaseMapper()); System.out.println(dishDao); dish.setCreateTime(new Date()); dish.setUpdateTime(new Date()); return dishDao.insertDishData(dish); // return this.getBaseMapper().insert(dish); } /** * 插入一条 * @param entity * @return */ @Override public boolean save(Dish entity) { entity.setCreateTime(new Date()); entity.setUpdateTime(new Date()); return super.save(entity); } /** * 查询所有 * @return */ @Override public List list() { return super.list(); } /** * 通过id查询 * @param idList * @return */ @Override public List listByIds(Collection idList) { return super.listByIds(idList); } /** * 构造条件查询 * @param queryWrapper * @return */ @Override public List list(Wrapper queryWrapper) { return super.list(queryWrapper); } /** * 根据名字或者根据价格查询 * @param dish * @return */ @Override public List listByEntity(Dish dish) { QueryWrapper wrapper = new QueryWrapper<>(); if(dish.getName() != null){ wrapper.like("name",dish.getName()); } if(dish.getPrice()!=null) { wrapper.like("price", dish.getPrice()); } return list(wrapper); } @Override public Dish getOne(Wrapper queryWrapper) { return super.getOne(queryWrapper); } @Override public Dish getById(Serializable id) { return super.getById(id); } /** * 根据名字或者根据价格查询 * @param dish * @return */ @Override public Dish listByEntityID(Dish dish) { QueryWrapper wrapper = new QueryWrapper<>(); wrapper.like("id",dish.getId()); return getOne(wrapper); } @Override public boolean update(Dish entity, Wrapper updateWrapper) { entity.setUpdateTime(new Date()); return super.update(entity, updateWrapper); } // @Override // public boolean updateBatchById(Collection entityList) { // /*更新时间 // */ // return super.updateBatchById(entityList); // } // 在Service中添加方法 /** * 根据id,批量跟新 * @param dishList * @return */ @Override public boolean updateBatchByDishList(List dishList){ // 设置更新时间 dishList.forEach(dish -> { dish.setUpdateTime(new Date()); }); // 调用父类批量更新方法 return super.updateBatchById(dishList); } /** * 根据id更新 * @param entity * @return */ @Override public boolean updateById(Dish entity) { entity.setUpdateTime(new Date()); return super.updateById(entity); } /** * 根据id删除 * @param entity * @return */ @Override public boolean removeById(Dish entity) { return super.removeById(entity); } /** * 根据id批量删除 * @param list * @param useFill * @return */ @Override public boolean removeByIds(Collection list, boolean useFill) { return super.removeByIds(list, useFill); } }