Group (SharePoint group, domain group ) contain current user

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最新推荐文章于 2025-07-06 08:00:00 发布

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原文链接：http://www.cnblogs.com/gzh4455/archive/2013/05/09/3069468.html

本文提供了一系列用于SharePoint中用户和组管理的方法实现，包括创建站点组、将用户添加到组以及检查当前用户是否包含在指定对象中等实用功能。

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    private bool AddUserIntoGroup(SPWeb web, string sGroupName, int iUserID)
    {
        bool res = false;
        try
        {
            web.AllowUnsafeUpdates = true;
            SPGroup oGroup = web.SiteGroups[sGroupName];
            SPUser oUser = web.AllUsers.GetByID(iUserID);
            if (oUser != null)
            {
                oGroup.AddUser(oUser);
                oGroup.Update();
                res = true;
            }
            web.Update();
        }
        catch { }
        return res;
    }
    private bool CreateSiteGroup(SPWeb rootWeb, string sGroupName, string sGroupDescription)
    {
        bool res = false;
        try
        {
            rootWeb.AllowUnsafeUpdates = true;
            SPGroupCollection collGroups = rootWeb.SiteGroups;
            string sLoginName = rootWeb.CurrentUser.LoginName;
            SPUser oUser = rootWeb.SiteUsers[sLoginName];
            SPMember oMember = rootWeb.SiteUsers[sLoginName];
            collGroups.Add(sGroupName, oMember, oUser, sGroupDescription);
            res = true;
            rootWeb.Update();
        }
        catch (Exception ex)
        {
            Response.Write("Error:" + ex.Message + "<br/>");
            return false;
        }
        return res;
    }
    private void DeleteSiteGroup(SPWeb web, string groupName)
    {
        try
        {
            web.AllowUnsafeUpdates = true;
            SPGroupCollection groups = web.SiteGroups;
            groups.Remove(groupName);
            web.Update();
        }
        catch { }
    }
    private bool IsContainCurrentUser(object obj)
    {
        bool result = false;
        if (obj == null)
        {
            return false;
        }
        SPSite securitySite = null;
        SPWeb securityWeb = null;
        SPWeb tempWeb = null;
        try
        {
            SPFieldUserValueCollection approversCollection;
            SPWeb web = SPContext.Current.Web;
            web.AllowUnsafeUpdates=true;

            bool groupFlag = false;
            string groupName = "Grp" + Guid.NewGuid().ToString();
            // Response.Write("groupName: " + groupName + "<br/>");
            SPSecurity.RunWithElevatedPrivileges(delegate()
            {
                using (securitySite = new SPSite(SPContext.Current.Site.ID))
                {
                    using (securityWeb = securitySite.RootWeb)
                    {
                        groupFlag = CreateSiteGroup(securityWeb, groupName, "");
                        //Response.Write("groupFlag: " + groupFlag.ToString() + "<br/>");

                    }
                }
            });

            approversCollection = (SPFieldUserValueCollection)obj;
            int id = SPContext.Current.Web.CurrentUser.ID;
            foreach (SPFieldUserValue spFieldUserValue in approversCollection)
            {
                if (spFieldUserValue.User == null)
                {
                    //Response.Write("Group" + spFieldUserValue.LookupValue+ "<br/>");
                    if (web.SiteGroups[spFieldUserValue.LookupValue].ContainsCurrentUser)
                    {
                        result = true;
                        break;
                    }
                }
                else
                {
                    if (spFieldUserValue.LookupId == id)
                    {
                        result = true;
                        break;
                    }
                    else
                    {
                        AddUserIntoGroup(securityWeb, groupName, spFieldUserValue.LookupId);
                    }
                }
            }

            //System.Threading.Thread.Sleep(500);
             tempWeb = SPContext.Current.Site.OpenWeb();
            if (!result)
            {
                //validate domain user has current user
                if (groupFlag)
                {
                    //Response.Write(SPContext.Current.Web.SiteGroups[groupName].Users.Count);

                    SPGroup group = tempWeb.SiteGroups[groupName];
                    if (group.ContainsCurrentUser)
                    {
                        result = true;
                    }
                }

            }
            //delete group
            DeleteSiteGroup(securityWeb, groupName);
        }
        catch (Exception ex)
        {
            //return false;
            Response.Write("error:" + ex.Message);
        }
        finally
        {
            if (securityWeb != null)
            {
                securityWeb.Dispose();
                securityWeb = null;
            }
            if (securitySite != null)
            {
                securitySite.Dispose();
                securitySite = null;
            }
            if (tempWeb != null)
            {
                tempWeb.Dispose();
                tempWeb = null;
            }
        }
        return result;
    }