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你好,我发现你的代码可能有一些小的改进。
通过在类级别添加@transactional,可以自动处理事务传播等许多重要方面。 它可以将您的服务包装在一个生成的代理中,该代理加入一个活动事务或启动一个新事务,并在您的方法执行后提交或回滚事务。
基于上面提到的优点,我建议您在类级别添加@transactional 注解。
希望我的建议有用!