#region  根据群ID和用户Id查询 + string QueryQunByUserIdAndQunId(int userId, int qunId)  V1.0

        /// <summary>
        /// 13.0 根据群ID和用户Id查询
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="qunId"></param>
        /// <returns></returns>
        public string QueryQunByUserIdAndQunId(int userId, int qunId)
        {

            string where = "";
            if (userId > 0 && qunId > 0)
                where = string.Format("UserId={0} and QunId={1} and Deleted=‘{2}‘", userId, qunId, false);
            T_UserRolePermission model = m_userRolePermissionManager.GetModelByQunIdAndUserId(qunId, userId);
            //判断是否存在
            if (model == null)
            {
                return Convert.ToString(ErrorCode.DATA_NOT_EXIST);
            }

            M_User user = m_userManager.GetModel(userId);

            #region 格式
            //<qun>
            //   <qunId>xxx</qunId>1
            //   <qunNo>群编号</qunNo>2
            //   <qunName>="群名称"</qunName>3
            //   <iconUrl>群头像地址</iconUrl> 4
            //   <isPublish>公开/私密</isPublish>5
            //   <description>群介绍</description>6
            //   <contact>联系方式</contact> 7
            //   <address>地点</address>8
            //   <createrId>群主Id</createrId>9
            //   <createrIconUrl>群主头像地址</createrIconUrl> 10
            //   <createrName>群主用户名</createrName> 11
            //   <qunTypeName>类别名称</qunTypeName> 12
            //   <groupName>用户所在的组名称</groupName>13
            //</qun>
            #endregion
            M_Qun qun = m_qunManager.GetModel(qunId);

            StringBuilder sb = new StringBuilder();

            M_QunType qunTypeModel = m_qunTypeManager.GetModelByTypeId((int)t_qunTypeRelationManager.GetModelByqunId(qun.ID).QunTypId);
            M_Groups groupsModel = m_groupsManager.GetModelByQunId(qun.ID);
            sb.Append("<quns>");

            sb.AppendFormat(@"<qun qunId = ""{0}"" qunNo = ""{1}""  qunName = ""{2}"" iconUrl = ""{3}"" isPublish = ""{4}"" description = ""{5}"" contact = ""{6}"" address = ""{7}"" createrId = ""{8}"" createrIconUrl = ""{9}""  createrName = ""{10}"" qunTypeName = ""{11}"" groupName = ""{12}"" />",
                qun.ID,   //0
                qun.QunNo, //1
                qun.QunName,//2
                qun.Logo,   //3
                qun.IsOpen, //4
                qun.Description,    //5
                qun.Contact,    //6
                qun.Address,    //7
                model.UserId,   //8
                user.Icon,  //9
                user.UserName,   //10
                qunTypeModel == null ? "" : qunTypeModel.TypeName, //11
                groupsModel == null ? "" : groupsModel.GroupsName //12
                );

            sb.Append("</quns>");
            return sb.ToString();

        }
        #endregion

#region  根据群ID和用户Id查询 + string QueryQunByUserIdAndQunId(int userId, int qunId)  V2.0

        #region 13.0 根据群ID + string QueryQunByUserIdAndQunId(int userId, int qunId)

        /// <summary>
        /// 13.0 根据群ID查询
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="qunId"></param>
        /// <returns></returns>
        public string QueryQunByQunId(int qunId)
        {
            M_Qun qun = m_qunManager.GetModel(qunId);

            string where = string.Format("QunId={0} and IsQunCreater=‘true‘ and Deleted=‘false‘", qunId);
            DataSet ds = m_userRolePermissionManager.GetList(where);
            M_User user = null;
            if (ds != null && ds.Tables.Count > 0)
                user = m_userManager.GetModel(Convert.ToInt32(ds.Tables[0].Rows[0]["UserId"]));
            //判断是否存在
            if (user == null)
            {
                return Convert.ToString(ErrorCode.DATA_NOT_EXIST);
            }

            #region 格式
            //<qun>
            //   <qunId>xxx</qunId>1
            //   <qunNo>群编号</qunNo>2
            //   <qunName>="群名称"</qunName>3
            //   <iconUrl>群头像地址</iconUrl> 4
            //   <isPublish>公开/私密</isPublish>5
            //   <description>群介绍</description>6
            //   <contact>联系方式</contact> 7
            //   <address>地点</address>8
            //   <createrId>群主Id</createrId>9
            //   <createrIconUrl>群主头像地址</createrIconUrl> 10
            //   <createrName>群主用户名</createrName> 11
            //   <qunTypeName>类别名称</qunTypeName> 12
            //   <groupName>用户所在的组名称</groupName>13
            //</qun>
            #endregion

            StringBuilder sb = new StringBuilder();

            M_QunType qunTypeModel = m_qunTypeManager.GetModelByTypeId((int)t_qunTypeRelationManager.GetModelByqunId(qun.ID).QunTypId);
            M_Groups groupsModel = m_groupsManager.GetModelByQunId(qun.ID);
            sb.Append("<quns>");
            sb.AppendFormat(@"<qun qunId = ""{0}"" qunNo = ""{1}""  qunName = ""{2}"" iconUrl = ""{3}"" isPublish = ""{4}"" description = ""{5}"" contact = ""{6}"" address = ""{7}"" createrId = ""{8}"" createrIconUrl = ""{9}""  createrName = ""{10}"" qunTypeName = ""{11}"" groupName = ""{12}"" />",
                qun.ID,   //0
                qun.QunNo, //1
                qun.QunName,//2
                qun.Logo,   //3
                qun.IsOpen, //4
                qun.Description,    //5
                qun.Contact,    //6
                qun.Address,    //7
                user.ID,   //8
                user.Icon,  //9
                user.UserName,   //10
                qunTypeModel == null ? "" : qunTypeModel.TypeName, //11
                groupsModel == null ? "" : groupsModel.GroupsName //12
                );

            sb.Append("</quns>");
            return sb.ToString();

        }
        #endregion