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- 添加券码批次管理和券码管理相关接口和实现 - 新增券码生成、领取、使用等核心业务逻辑 - 实现了全场免费、商品降价、商品打折三种优惠模式 - 添加了券码状态管理和统计功能 - 优化了数据库表结构和索引 - 编写了详细的开发文档和使用示例
17 lines
810 B
Java
17 lines
810 B
Java
package com.ycwl.basic.voucher.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.ycwl.basic.voucher.entity.VoucherCodeEntity;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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@Mapper
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public interface VoucherCodeMapper extends BaseMapper<VoucherCodeEntity> {
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@Select("SELECT COUNT(*) FROM voucher_code WHERE scenic_id = #{scenicId} AND face_id = #{faceId} AND status != 0 AND deleted = 0")
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Integer countByFaceIdAndScenicId(@Param("faceId") Long faceId, @Param("scenicId") Long scenicId);
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@Select("SELECT * FROM voucher_code WHERE batch_id = #{batchId} AND status = 0 AND deleted = 0 LIMIT 1")
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VoucherCodeEntity findFirstAvailableByBatchId(@Param("batchId") Long batchId);
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} |