springboot手动控制mysql事务

    @Resource
    private PlatformTransactionManager platformTransactionManager;

    @Resource
    private TransactionDefinition transactionDefinition;

      TransactionStatus transaction = platformTransactionManager.getTransaction(transactionDefinition);
        try {
            this.saveBatch(comboParams);
            this.update(Wrappers.<ComboParam>lambdaUpdate().set(ComboParam::getResParamId,4).eq(ComboParam::getComboEntranceId,4));
            platformTransactionManager.commit(transaction);
        } catch (Exception e) {
            platformTransactionManager.rollback(transaction);
        }