sharepoint权限操作（记录以备忘）

using Microsoft.SharePoint;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SharePointProject2
{
    class Class2
    {

        /// <summary>
        /// 判断组是否存在
        /// </summary>
        /// <param name="web"></param>
        /// <param name="groupname"></param>
        /// <returns></returns>
        public bool IsExistGroup(SPWeb web, string groupname)
        {
            try
            {
                foreach (SPGroup grouplist in web.SiteGroups)//判断组是否存在
                {
                    if (grouplist.ToString().ToLower() == groupname.ToLower())
                        return true;
                }
                return false;
            }
            catch (Exception)
            {
                throw;
            }
        }

        /// <summary>
        /// 新建组
        /// </summary>
        /// <param name="web"></param>
        /// <param name="groupname"></param>
        /// <param name="member"></param>
        /// <param name="spuser"></param>
        /// <param name="description"></param>
        /// <returns></returns>
        public bool AddGroup(SPWeb web, string groupname, SPMember member, SPUser spuser, string description)
        {
            try
            {
                if (!IsExistGroup(web, groupname))
                {
                    web.SiteGroups.Add(groupname, member, spuser, description);//新建组
                    return true;
                }
                return false;
            }
            catch (Exception)
            {

                throw;
            }
        }

        /// <summary>
        /// 判断指定组是否存在用户
        /// </summary>
        /// <param name="web"></param>
        /// <param name="username">Domin\\Name形式</param>
        /// <param name="groupname"></param>
        /// <returns></returns>
        public bool IsExistUser(SPWeb web, string username, string groupname)
        {
            try
            {
                foreach (SPUser userlist in web.SiteGroups[groupname].Users)//判断指定组是否存在用户
                {
                    if (userlist.ToString().ToLower() == username.ToLower())
                        return true;
                }
                return false;
            }
            catch (Exception)
            {
                throw;
            }
        }

        /// <summary>
        /// 根据指定的组新建用户
        /// </summary>
        /// <param name="web"></param>
        /// <param name="loginname">登录名:Domin\\Name形式</param>
        /// <param name="groupname">组名称</param>
        /// <param name="email">Email</param>
        /// <param name="cnname">中文名</param>
        /// <param name="notes">用户说明</param>
        /// <returns>bool</returns>
        public bool AddUserToGroup(SPWeb web, string loginname, string groupname, string email, string cnname, string notes)
        {
            try
            {
                if (!IsExistUser(web, loginname, groupname))
                {
                    web.SiteGroups[groupname].AddUser(loginname, email, cnname, notes);//新建用户
                    return true;
                }
                return false;
            }
            catch (Exception)
            {

                throw;
            }
        }

        /// <summary>
        /// 组权限分配与定义(New)
        /// </summary>
        /// <param name="web"></param>
        /// <param name="groupname"></param>
        /// <param name="roles"></param>
        /// <returns></returns>
        public bool AddGroupToRoles(SPWeb web, string groupname, string[] roles)
        {
            try
            {
                string[] _roles = roles;
                int rolemun = _roles.Length;

                if (IsExistGroup(web, groupname))
                {
                    //改变站点继承权
                    if (!web.HasUniqueRoleDefinitions)
                    {
                        web.RoleDefinitions.BreakInheritance(true, true);//复制父站点角色定义并且保持权限
                    }

                    //站点继承权改变后重新设置状态
                    web.AllowUnsafeUpdates = true;

                    //组权限分配与定义(New)
                    SPRoleDefinitionCollection roleDefinitions = web.RoleDefinitions;
                    SPRoleAssignmentCollection roleAssignments = web.RoleAssignments;
                    SPMember memCrossSiteGroup = web.SiteGroups[groupname];
                    SPPrincipal myssp = (SPPrincipal)memCrossSiteGroup;
                    SPRoleAssignment myroles = new SPRoleAssignment(myssp);
                    SPRoleDefinitionBindingCollection roleDefBindings = myroles.RoleDefinitionBindings;
                    if (rolemun > )
                    {
                        for (int i = ; i < rolemun; i++)
                        {
                            roleDefBindings.Add(roleDefinitions[_roles[i]]);
                        }
                    }
                    roleAssignments.Add(myroles);
                    return true;
                }
                return false;
            }
            catch (Exception)
            {

                throw;
            }
        }

        protected void btnCreateSite_Click(object sender, EventArgs e)
        {

            try
            {
                SPSite site = new SPSite("http://contososrv:8010/");

                //string spwt = SPWebTemplate.WebTemplateSTS;//默认选择协作站点模板 

                web = site.OpenWeb("Test/");
                web.AllowUnsafeUpdates = true;
                SPMember memUser = web.Users[];
                SPUser suser = web.Users[];

                //新建组
                //web.SiteGroups.Add("skyteam3", memUser, suser, "new skyteam");
                //web.SiteGroups["skyteam3"].AddUser("adr\\administrator", "pccai@adr.svic1", "蔡", "系统维修人员");
                //web.Groups["skyteam2"].AddUser("adr\\pccai", "pccai@adr.svic1", "蔡", "系统维修人员");

                //新建子站点
                string currentTemplate = web.WebTemplate;
                //web.Webs.Add("Test2", "站点名称2", "站点描述2", 2052, "_GLOBAL_#0", true, false);

                //打开子站点
                SPWeb web2 = site.OpenWeb("Test/Test2");
                web2.AllowUnsafeUpdates = true;
                // web2.SiteGroups.Add("skyteam6", memUser, suser, "new skyteam");//新建组
                // web2.SiteGroups["skyteam6"].AddUser("adr\\administrator", "administrator@adr.svic1", "边", "系统维修人员");

                //改变站点继承权
                if (!web2.HasUniqueRoleDefinitions)
                {
                    web2.RoleDefinitions.BreakInheritance(true, true);
                }

                //站点继承权改变后重新设置状态
                web2.AllowUnsafeUpdates = true;

                //添加权限级别 (Role)
                //SPRoleDefinition roleDefinition = new SPRoleDefinition();
                //roleDefinition.Name = "项目角色";
                //roleDefinition.Description = "项目角色可以批准所有项目情况.";
                //roleDefinition.BasePermissions = SPBasePermissions.FullMask ^ SPBasePermissions.ManagePermissions;
                //web2.RoleDefinitions.Add(roleDefinition);

                //更改权限级别 (Permissions)
                SPRoleDefinitionCollection roles = web2.RoleDefinitions;
                SPRoleDefinition roleDefinition1 = roles["读取"];
                roleDefinition1.BasePermissions = SPBasePermissions.AddListItems |
                    SPBasePermissions.BrowseDirectories |
                    SPBasePermissions.EditListItems |
                    SPBasePermissions.DeleteListItems |
                    SPBasePermissions.AddDelPrivateWebParts;
                roleDefinition1.Update();

                //用户权限分配与定义(New)
                SPRoleDefinitionCollection roleDefinitions = web2.RoleDefinitions;
                SPRoleAssignmentCollection roleAssignments = web2.RoleAssignments;
                SPRoleAssignment roleAssignment = new SPRoleAssignment("adr\\administrator", "administrator@Somewhere.com", "Display_Name", "Notes");
                SPRoleDefinitionBindingCollection roleDefBindings = roleAssignment.RoleDefinitionBindings;
                roleDefBindings.Add(roleDefinitions["项目角色"]);
                roleAssignments.Add(roleAssignment);

                //权限定义(Old)
                //SPRoleCollection siteGroups = web2.Roles;
                //siteGroups.Add("skyteam6", "Description", SPRights.ManageWeb | SPRights.ManageSubwebs);

                //获得权限定义
                SPRoleDefinition sprole = roleDefinitions.GetByType(SPRoleType.Reader);
                string spname = sprole.Name;

                //组权限分配与定义(New)
                SPRoleDefinitionCollection roleDefinitions1 = web2.RoleDefinitions;
                SPRoleAssignmentCollection roleAssignments1 = web2.RoleAssignments;
                SPMember memCrossSiteGroup = web2.SiteGroups["skyteam6"];
                SPPrincipal myssp = (SPPrincipal)memCrossSiteGroup;
                SPRoleAssignment myroles = new SPRoleAssignment(myssp);
                SPRoleDefinitionBindingCollection roleDefBindings1 = myroles.RoleDefinitionBindings;
                roleDefBindings1.Add(roleDefinitions1["设计"]);
                roleDefBindings1.Add(roleDefinitions1["读取"]);
                roleAssignments1.Add(myroles);

                //组权限分配与定义(Old)
                //SPMember member = web2.Roles["skyteam"];
                //web2.Permissions[member].PermissionMask =
                //    SPRights.ManageLists | SPRights.ManageListPermissions;

                //更改列表权限(Old)
                //SPList list = site.Lists["通知"];
                //SPPermissionCollection perms = list.Permissions;
                //SPUserCollection users = site.Users;
                //SPMember member = users["ADR\\pccai"];
                //list.Permissions[member].PermissionMask = SPRights.AddListItems | SPRights.EditListItems;

                //  PermissionCollection perc = web.Permissions;
                //perc.AddUser("adr\\administrator", "administrator@adr.srvc1", "title", "Notes", PortalRight.AllSiteRights);
                // SecurityManager.AddRole(context, "title", "descriptions", PortalRight.ManageSite);

            }
            catch (Exception)
            {
                throw;
            }

        }

    }
}