使用动态代理实现用AOP对数据库进行操作。

下面试这个类的代码：public class TransactionException extends RuntimeException { private Throwable superException; private String myMessage; public TransactionException(Throwable throwable){ super(throwable); this.superException = throwable; } public TransactionException(Throwable throwable,String message){ super(message,throwable); this.superException = throwable; this.myMessage = message; }