using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.DirectoryServices; namespace JH.Framework.Security {     ///     /// 计算机用户和组操作类     ///     public class UserAndGroupHelper     {         private static readonly string PATH = "WinNT://" + Environment.MachineName;         ///         /// 添加windows用户         ///         /// 用户名         /// 密码         /// 所属组         /// 描述         public static void AddUser(string username, string password, string group, string description)         {             using (DirectoryEntry dir = new DirectoryEntry(PATH))             {                 using (DirectoryEntry user = dir.Children.Add(username, "User")) //增加用户名                 {                     user.Properties["FullName"].Add(username); //用户全称                     user.Invoke("SetPassword", password); //用户密码                     user.Invoke("Put", "Description", description);//用户详细描述                     //user.Invoke("Put","PasswordExpired",1); //用户下次登录需更改密码                     user.Invoke("Put", "UserFlags", 66049); //密码永不过期                     //user.Invoke("Put", "UserFlags", 0x0040);//用户不能更改密码s                     user.CommitChanges();//保存用户                     using (DirectoryEntry grp = dir.Children.Find(group, "group"))                     {                         if (grp.Name != "")                         {                             grp.Invoke("Add", user.Path.ToString());//将用户添加到某组                         }                     }                 }             }         }         ///         /// 更改windows用户密码         ///         /// 用户名         /// 新密码         public static void UpdateUserPassword(string username, string newpassword)         {             using (DirectoryEntry dir = new DirectoryEntry(PATH))             {                 using (DirectoryEntry user = dir.Children.Find(username, "user"))                 {                     user.Invoke("SetPassword", new object[] { newpassword });                     user.CommitChanges();                 }             }         }         ///         /// 删除windows用户         ///         /// 用户名         public static void RemoveUser(string username)         {             using (DirectoryEntry dir = new DirectoryEntry(PATH))             {                 using (DirectoryEntry user = dir.Children.Find(username, "User"))                 {                     dir.Children.Remove(user);                 }             }         }         ///         /// 添加windows用户组         ///         /// 组名称         /// 描述         public static void AddGroup(string groupName, string description)         {             using (DirectoryEntry dir = new DirectoryEntry(PATH))             {                 using (DirectoryEntry group = dir.Children.Add(groupName, "group"))                 {                     group.Invoke("Put", new object[] { "Description", description });                     group.CommitChanges();                 }             }         }         ///         /// 删除windows用户组         ///         /// 组名称         public static void RemoveGroup(string groupName)         {             using (DirectoryEntry dir = new DirectoryEntry(PATH))             {                 using (DirectoryEntry group = dir.Children.Find(groupName, "Group"))                 {                     dir.Children.Remove(group);                 }             }         }     } }