Active Directory（活動目錄）是Windows Server 2003域環(huán)境中提供目錄服務的組件。目錄服務在微軟平臺上從Windows Server 2000開始引入，所以我們可以理解為活動目錄是目錄服務在微軟平臺的一種實現(xiàn)方式。當然目錄服務在非微軟平臺上都有相應的實現(xiàn)。關于AD的更詳細說明請 上百度度娘吧，哈哈~

要在C#.net平臺下實現(xiàn)AD相關操作，需要添加引用using System.DirectoryServices;

??????? private void Login_Click(object sender, EventArgs e)??? //登入按鈕 運費
??????? {
??????????? try
??????????? {
??????????????? string FilterStr;//要查找的用戶名??????????????
??????????????? DirectoryEntry entry = this.MyGetDirectoryEntry();
??????????????? DirectorySearcher Seacher = new DirectorySearcher(entry);
??????????????? FilterStr = "(&(objectClass=user) (cn=" + m_username + "))";
??????????????? Seacher.Filter = FilterStr;
??????????????? SearchResult Result = Seacher.FindOne();
??????????????? if (Result == null)
??????????????? {
??????????????????? MessageBox.Show("用戶名或密碼有錯！");
??????????????? }
??????????????? else
??????????????? {
??????????????????? MessageBox.Show("登入成功！");
??????????????????? entry.AuthenticationType = AuthenticationTypes.Secure;
??????????????????? //this.Hide();
??????????????????? //Form2 frm = new Form2();
??????????????????? //frm.Show();
??????????????? }
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? string Str = ex.Message;
??????????????? MessageBox.Show("用戶名或密碼有錯！");
??????????? }
??????? }

??? private void Check_Click(object sender, EventArgs e)?? //測試按鈕
??? {
??????????? m_username = UserName.Text;
??????????? if (UserExists(m_username))
??????????? { 女裝品牌排行榜
??????????????? MessageBox.Show("連接成功！");
?????????????? //? CreateNewUser("", "ezhrt1");
??????????? }
??????????? else
??????????? {
??????????????? MessageBox.Show("連接失敗！");
??????????? }
??????? }

??????? public bool UserExists(string UserName)?????? // 判斷用戶是否存在
??????? {
??????????? try
??????????? {
??????????????? DirectoryEntry entry = this.MyGetDirectoryEntry();
??????????????? DirectorySearcher Search = new DirectorySearcher();
??????????????? Search.SearchRoot = entry;
??????????????? Search.Filter = "(&(objectClass=user) (cn=" + UserName + "))";
??????????????? SearchResultCollection results = Search.FindAll();
??????????????? if (results.Count == 0)
??????????????? {
??????????????????? return false;
??????????????? }
??????????????? else
??????????????? {
??????????????????? return true;
??????????????? }
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? string Str = ex.Message;
??????????????? return false;
??????????? }
??????? }

??????? private void button1_Click(object sender, EventArgs e)//測試
??????? {
??????????? m_cn = Text_CN.Text;
??????????? if (this.UserExists(m_cn))
??????????? {
??????????????? LabelCheck.Text = "用戶名已存在";
??????????? }
??????????? else
??????????? {
??????????????? LabelCheck.Text = "用戶名可用";
??????????? }
??????? }

??????? private void Login_Click(object sender, EventArgs e) //確定
??????? {
??????????? m_cn = Text_CN.Text;
??????????? m_bs = Text_Bname.Text;
??????????? m_description = Text_Description.Text;
??????????? m_givename = Text_GiveName.Text;
??????????? m_mail = Text_Mail.Text;
??????????? m_pass1 = Text_Pass1.Text;
??????????? m_pass2 = Text_Pass2.Text;
??????????? m_sn = Text_SN.Text;
??????????? m_telephone = Text_Telephone.Text;
??????????? m_www = Text_WWW.Text;
??????????? if (UserExists(m_cn))
??????????? {
??????????????? MessageBox.Show("用戶名已存在！");
??????????? }
??????????? else if (m_pass1.Equals("") || m_pass2.Equals("") || !m_pass1.Equals(m_pass2))
??????????? {
??????????????? MessageBox.Show("密碼有誤！");
??????????? }
??????????? else if (IsEmail(m_mail))
??????????? {
??????????????? MessageBox.Show("郵箱地址格式不正確！");
??????????? }
??????????? else
??????????? {
??????????????? try
??????????????? {
??????????????????? DirectoryEntry myEntry = new DirectoryEntry(m_bs, m_uname, m_pword, AuthenticationTypes.Secure);
???????????????????????
??????????????????? //"LDAP://192.168.0.169/OU=eZHR,DC=Lanall,DC=com", "域管理用戶", "域管理用戶密碼", AuthenticationTypes.Secure);
??????????????????? DirectoryEntries myEntries = myEntry .Children;
??????????????????? string Strname = "CN=" + m_cn;
??????????????????? DirectoryEntry myDirectoryEntry = myEntries.Add(Strname, "user");
??????????????????? myDirectoryEntry.Properties["userPrincipalName"].Value = m_sn + m_givename;
??????????????????? myDirectoryEntry.Properties["name"].Value = m_givename;
??????????????????? myDirectoryEntry.Properties["samAccountName"].Value = m_cn;
??????????????????? myDirectoryEntry.Properties["pwdLastSet"].Value = -1;
??????????????????? myDirectoryEntry.Properties["userAccountControl"].Value = 553;//553;// 66048; //590336;
??????????????????? myDirectoryEntry.Properties["sn"].Value = m_sn;
??????????????????? myDirectoryEntry.Properties["givenName"].Value = m_givename;
??????????????????? myDirectoryEntry.Properties["telephoneNumber"].Value = m_telephone;
??????????????????? myDirectoryEntry.Properties["mail"].Value = m_mail;
??????????????????? myDirectoryEntry.Properties["wWWHomePage"].Value = m_www;
??????????????????? myDirectoryEntry.Properties["description"].Value = m_description;
???????????????????
??????????????????? myDirectoryEntry.CommitChanges();
??????????????????? myDirectoryEntry.Invoke("SetPassword", new object[] {m_pass1});
??????????????????? MessageBox.Show("添加成功！");
??????????????? }
??????????????? catch (Exception ex)
??????????????? {
??????????????????? string str = ex.Message;
??????????????? }
??????????? }
??????????
??????? }

??????? private void Del_Click(object sender, EventArgs e)//刪除用戶
??????? {?
??????????? m_cn = Text_CN.Text;
??????????? try
??????????? {
??????????????? if (UserExists(m_cn))
??????????????? {??????????????
??????????????????? DirectoryEntry entry = new DirectoryEntry(m_sname + m_bname, m_uname, m_pword);
??????????????????? DirectorySearcher Search = new DirectorySearcher();
??????????????????? Search.SearchRoot = entry;
??????????????????? Search.Filter = "(&(objectClass=user) (cn=" + m_cn + "))";
??????????????????? SearchResult Result = Search.FindOne();
??????????????????? DirectoryEntry child = Result.GetDirectoryEntry();
??????????????????? child.DeleteTree();
??????????????????? MessageBox.Show("刪除成功！");
??????????????? }
??????????????? else
??????????????? {
??????????????????? MessageBox.Show("不存在用戶：" + m_cn);
??????????????? }
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? string Str = ex.Message;
??????????? }
??????? }

使用C#對Active Directory（活動目錄）的操作