目录什么是 Spring 事务Spring Boot 自动配置类 TransactionAutoConfiguration使用TransactionTemplate 显式控制事务使用Spring 的声明式事务管理（即使用@Transactional注解）总结什么是 Spring 事务
I have a block element that is positioned absolutely and some other elements on page that are positioned fixed. The effect is the block on top floats over the page which wo开发者_开发问答rks well.
加载中,请稍侯......