@transactional注解,报错后数据库操做回滚失败

1. https://jingyan.baidu.com/article/3a2f7c2e27d51b26afd611ff.htmlhtml   2. https://blog.csdn.net/lee_star1/article/details/71730107post   需抛出RuntimeException错误spa throw new RuntimeException("回滚"); tr

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