src/org/nutz/aop/InterceptorChain.java
public void invoke() throws Throwable {
        if (invoked)
            log.warnf("!! Calling Method more than once! Method --> %s", callingMethod.toString());
        else
            invoked = true;
        this.returnValue = callingObj._aop_invoke(methodIndex, args);
    }
public void invoke() throws Throwable {
        if (invoked)
            log.warnf("!! Calling Method more than once! Method --> %s", callingMethod.toString());
        else
            invoked = true;
        this.returnValue = callingObj._aop_invoke(methodIndex, args);
    }
执行原方法,一般情况下不应该直接被调用

@throws Throwable
原方法抛出的一切异常