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除了在配置文件中使用<aop:config>或者<aop:aspectj-autoproxy>来声明切面。 同样可以通过编程方式来创建代理来通知目标对象。关于Spring AOP API的详细介绍, 请参看下一章。这里我们重点介绍自动创建代理。
类org.springframework.aop.aspectj.annotation.AspectJProxyFactory
可以为一个或多个
@AspectJ切面通知的目标对象创建一个代理。该类的基本用法非常简单,示例如下。请参阅Javadoc获取更详细的信息。
// create a factory that can generate a proxy for the given target object AspectJProxyFactory factory = new AspectJProxyFactory(targetObject); // add an aspect, the class must be an @AspectJ aspect // you can call this as many times as you need with different aspects factory.addAspect(SecurityManager.class); // you can also add existing aspect instances, the type of the object supplied must be an @AspectJ aspect factory.addAspect(usageTracker); // now get the proxy object... MyInterfaceType proxy = factory.getProxy();