JDK的动态代理-多接口

public interface A {
    public void aa();
}

public interface B {
    public void bb();
}

public class ABImpl implements A, B{
    public void aa() {
        System.out.println("aaaa");
    }
    public void bb() {
        System.out.println("bb");
    }
}

public class Logger {
    public void logging() {
        System.out.println("logging");
    }
}

public class JDKProxyMultyTest implements InvocationHandler{

    private Object target;
    private Logger logger;

    public JDKProxyMultyTest(Object target, Logger logger) {
        super();
        this.target = target;
        this.logger = logger;
    }

    public Object invoke(Object proxy, Method method, Object[] args)
            throws Throwable {
        this.logger.logging();
        method.invoke(target, args);
        return null;
    }
}

    @Test
    public void test1(){
        Object target = new ABImpl();
        Logger logger = new Logger();
        JDKProxyMultyTest jdkProxyMultyTest = new JDKProxyMultyTest(target, logger);
        A proxyA = (A) Proxy.newProxyInstance(target.getClass().getClassLoader(), target.getClass().getInterfaces(), jdkProxyMultyTest);
        proxyA.aa();
        B proxyB = (B) Proxy.newProxyInstance(target.getClass().getClassLoader(), target.getClass().getInterfaces(), jdkProxyMultyTest);
        proxyB.bb();
    }