package cc.mrbird.febs.dapp.mapper; import cc.mrbird.febs.dapp.entity.DappChargeUsdtEntity; import com.baomidou.mybatisplus.core.mapper.BaseMapper; import org.apache.ibatis.annotations.Param; import java.math.BigDecimal; public interface DappChargeUsdtMapper extends BaseMapper { BigDecimal selectByMaxAmountMemberId(@Param("memberId")Long id); }