package org.jeecg.modules.test.seata.account.service; import java.math.BigDecimal; /** * @Description: 账户接口 * @author: zyf * @date: 2022/01/24 * @version: V1.0 */ public interface SeataAccountService { /** * 扣减金额 * @param userId 用户 ID * @param amount 扣减金额 */ void reduceBalance(Long userId, BigDecimal amount); }