⑴ spring的aop在方法執行後怎麼得到該方法的參數
afterReturning重寫方法裡面就把方法的參數，當作形參傳遞給arg2了
public class After implements AfterReturningAdvice{
@Override
public void afterReturning(Object arg0, Method arg1, Object[] arg2,
Object arg3) throws Throwable {
}
}