package com.xy.xyaicpzs.service.impl; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.xy.xyaicpzs.domain.entity.LotteryDraws; import com.xy.xyaicpzs.mapper.LotteryDrawsMapper; import com.xy.xyaicpzs.service.LotteryDrawsService; import org.springframework.stereotype.Service; import java.util.Date; import java.util.List; /** * @author XY003 * @description 针对表【lottery_draws(开奖结果表)】的数据库操作Service实现 * @createDate 2025-06-14 09:48:10 */ @Service public class LotteryDrawsServiceImpl extends ServiceImpl implements LotteryDrawsService{ @Override public List getRecentDraws(Integer limit) { if (limit == null || limit <= 0) { limit = 15; } QueryWrapper queryWrapper = new QueryWrapper<>(); queryWrapper.orderByDesc("drawId").last("LIMIT " + limit); return list(queryWrapper); } @Override public LotteryDraws getByDrawId(Long drawId) { return getById(drawId); } @Override public List getByDateRange(Date startDate, Date endDate) { QueryWrapper queryWrapper = new QueryWrapper<>(); if (startDate != null) { queryWrapper.ge("drawDate", startDate); } if (endDate != null) { queryWrapper.le("drawDate", endDate); } queryWrapper.orderByDesc("drawId"); return list(queryWrapper); } @Override public List queryDraws(Long drawId, Date startDate, Date endDate) { QueryWrapper queryWrapper = new QueryWrapper<>(); if (drawId != null) { queryWrapper.eq("drawId", drawId); } if (startDate != null) { queryWrapper.ge("drawDate", startDate); } if (endDate != null) { queryWrapper.le("drawDate", endDate); } queryWrapper.orderByDesc("drawId"); return list(queryWrapper); } }