Three bean definitions were needed for the necessary collaborating objects-a Spring AOP Advisor and TransactionInterceptor, as well as a DefaultAdvisorAutoProxyCreator to cause automatic proxying.

为了所需的合作对象，需要三个bean定义——一个Spring AOP Advisor，一个TransactionInterceptor，以及一个DefaultAdvisorAutoProxyCreator来引发自动的代理。

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