/// <summary>
/// 执行Message的Get()方法
/// </summary>
/// <param name="abstractElement">抽象元素</param>
/// <returns></returns>
public override string Visit(AbstractElement abstractElement)
{
Message m = abstractElement as Message;
return(m.Get()[0].Message + " " + m.Get()[0].PublishTime.ToString() + "<br />");
}
/// <summary> /// 执行抽象元素的方法 /// </summary> /// <param name="abstractElement">抽象元素</param> /// <returns></returns> public abstract string Visit(AbstractElement abstractElement);
/// <summary>
/// 执行Message的Insert()方法
/// </summary>
/// <param name="abstractElement">抽象元素</param>
/// <returns></returns>
public override string Visit(AbstractElement abstractElement)
{
Message m = abstractElement as Message;
return(m.Insert().ToString() + "<br />");
}