public void SysUserInfoAddORUpdate(T_SYS_USER obj, ref string strMsg) { using (SysUserBLL UserBll = new SysUserBLL()) { //清空即时通讯的缓存 string keyString = "ImInstantLoginUsers"; WCFCache.Current[keyString] = null; UserBll.SysUserInfoAddORUpdate(obj, ref strMsg); } }