C#开发微信门户及应用(3)--文本消息和图文消息的应答

    /// <summary>
    /// 基础消息内容
    /// </summary>
    [XmlRoot(ElementName = "xml")]
    public class BaseMessage
    {
        /// <summary>
        /// 初始化一些内容，如创建时间为整形，
        /// </summary>
        public BaseMessage()
        {
            this.CreateTime = DateTime.Now.DateTimeToInt();
        }

        /// <summary>
        /// 开发者微信号
        /// </summary>
        public string ToUserName { get; set; }

        /// <summary>
        /// 发送方帐号（一个OpenID）
        /// </summary>
        public string FromUserName { get; set; }

        /// <summary>
        /// 消息创建时间 （整型）
        /// </summary>
        public int CreateTime { get; set; }

        /// <summary>
        /// 消息类型
        /// </summary>
        public string MsgType { get; set; }

        public virtual string ToXml()
        {
            this.CreateTime = DateTime.Now.DateTimeToInt();//重新更新
            return MyXmlHelper.ObjectToXml(this);
        }

    }

    /// <summary>
    /// 回复文本消息
    /// </summary>
    [System.Xml.Serialization.XmlRoot(ElementName = "xml")]
    public class ResponseText : BaseMessage
    {
        public ResponseText()
        {
            this.MsgType = ResponseMsgType.Text.ToString().ToLower();
        }

        public ResponseText(BaseMessage info) : this()
        {
            this.FromUserName = info.ToUserName;
            this.ToUserName = info.FromUserName;
        }

        /// <summary>
        /// 内容
        /// </summary>        
        public string Content  { get; set; }
    }

    /// <summary>
    /// 回复图文消息
    /// </summary>
    [System.Xml.Serialization.XmlRoot(ElementName = "xml")]
    public class ResponseNews : BaseMessage
    {
        public ResponseNews()
        {
            this.MsgType = ResponseMsgType.News.ToString().ToLower();

            this.Articles = new List<ArticleEntity>();
        }
        public ResponseNews(BaseMessage info) : this()
        {
            this.FromUserName = info.ToUserName;
            this.ToUserName = info.FromUserName;
        }

        /// <summary>
        /// 图文消息个数，限制为10条以内
        /// </summary>
        public int ArticleCount
        {
            get
            {
                return this.Articles.Count;
            }
            set
            {
                ;//增加这个步骤才出来XML内容
            }
        }

        /// <summary>
        /// 图文列表。
        /// 多条图文消息信息，默认第一个item为大图,注意，如果图文数超过10，则将会无响应
        /// </summary>
        [System.Xml.Serialization.XmlArrayItem("item")]
        public List<ArticleEntity> Articles { get; set; }

    }

                ResponseText response = new ResponseText(info);
                response.Content = "抱歉，此功能暂未开通。";
                result = response.ToXml();

        /// <summary>
        /// 订阅或者显示公司信息
        /// </summary>
        /// <param name="info"></param>
        /// <returns></returns>
        private string ShowCompanyInfo(BaseMessage info)
        {
            string result = "";
            //使用在微信平台上的图文信息(单图文信息)
            ResponseNews response = new ResponseNews(info);
            ArticleEntity entity = new ArticleEntity();
            entity.Title = "广州爱奇迪软件科技有限公司";
            entity.Description = "欢迎关注广州爱奇迪软件--专业的单位信息化软件和软件开发框架提供商，我们立志于为客户提供最好的软件及服务。\r\n";
            entity.Description += "我们是一家极富创新性的软件科技公司，从事研究、开发并销售最可靠的、安全易用的技术产品及优质专业的服务，帮助全球客户和合作伙伴取得成功。\r\n......（此处省略1000字，哈哈）";
            entity.PicUrl = "http://www.iqidi.com/WeixinImage/company.png";
            entity.Url = "http://www.iqidi.com";

            response.Articles.Add(entity);
            result = response.ToXml();

            return result;
        }