MyBatis返回主键

    @Insert({ "INSERT INTO money_record_increasement (id, createTime) VALUES (null, #{createTime})" })
    @Options(useGeneratedKeys = true, keyProperty = "id")
    int insertMoneyRecordIncreasement(MoneyRecordIncreasement record);

MoneyRecordIncreasement moneyRecordIncreasement = new MoneyRecordIncreasement();
        moneyRecordIncreasement.setCreateTime(createTime);
        int id = moneyRecordIncreasementMapper.insertMoneyRecordIncreasement(moneyRecordIncreasement);

        return moneyRecordIncreasement.getId();