/// <summary>
/// ȡб.
/// </summary>
/// <param name="num"></param>
/// <param name="snum">˵</param>
/// <param name="titlelength">ⳤ</param>
/// <returns></returns>
getcatlist(int num,int snum,int titlelength)


/// <summary>
/// 
/// </summary>
/// <param name="num">ʾ</param>
/// <param name="showtype">ʾ1- 2-ͼƬ</param>
/// <param name="colomCount"></param>
/// <returns></returns>
protected string getLink(int num, short showtype, int colomCount)

///ȡͷhead
protected string head(string title, string keywords, string rsslink, string othermeta)
protected string head()
	/// <summary>
        /// ȡ
        /// </summary>
        /// <param name="catid">ID</param>
        /// <param name="catname"></param>
        /// <param name="titlelength">ʾ</param>
        /// <returns></returns>
 protected string getUsershareLink(string id, string title, int titlelength)


	/// <summary>
        /// ȡרҵ
        /// </summary>
        /// <param name="userid"></param>
        /// <param name="username"></param>
        /// <param name="titlelength"></param>
        /// <returns></returns>
        protected string getUserLink(string username, int titlelength)

 /// <summary>
        /// ȡû
        /// </summary>
        /// <param name="userid"></param>
        /// <param name="username"></param>
        /// <param name="titlelength"></param>
        /// <returns></returns>
        protected string getUserLink(string userid, string username, int titlelength)

/// <summary>
        /// ȡ
        /// </summary>
        /// <param name="catid">ID</param>
        /// <param name="catname"></param>
        /// <param name="titlelength">ʾ</param>
        /// <returns></returns>
        protected string getAskCatLink(string catid, string catname, int titlelength)

/// <summary>
        /// ȡʵ
        /// </summary>
        /// <param name="askid">ID</param>
        /// <param name="asktitle">ʱ</param>
        /// <param name="titlelength">ʾ</param>
        /// <returns></returns>
        protected string getAskLink(string askid, string asktitle, int titlelength)