SQLServer身份验证管理子程序.doc

Option Compare Database Public appAccess As Access.Application Sub CallSQLDMOSQLServerLogin() Dim srvname As String Dim suid As String Dim pwd As String 设置 SQL Server 的登录参数 srvname = (local) suid = sa pwd = 调用 SQL Server 登录过程 SQLDMOSQLServerLogin srvname, suid, pwd End Sub Sub SQLDMOSQLServerLogin(srvname As String, suid As String, pwd As String) Dim srv1 As SQLDMO.SQLServer 新建一个服务器实例 Set srv1 = New SQLDMO.SQLServer 调用 SQL Server 登录连接方法 srv1.Connect srvname, suid, pwd 断开连接 srv1.Disconnect Set srv1 = Nothing End Sub Sub CallSQLDMOWindowsLogin() Dim srvname As String 设置 Windows 登录参数 srvname = (local) SQLDMOWindowsLogin srvname End Sub Sub SQLDMOWindowsLogin(srvname As String) Dim srv1 As SQLDMO.SQLServer 新建一个服务器实例 Set srv1 = New SQLDMO.SQLServer 在调用前，设置 LoginSecure 属性为 True 使用服务名进行连接 srv1.LoginSecure = True srv1.Connect srvname 断开连接 srv1.Disconnect Set srv1 = Nothing End Sub Sub CallChangeServerAuthenticationMode() Dim constAuth As Byte 设置 constAuth 参数为： SQLDMOSecurity_Integrated 为 Windows Authentication 模式 SQLDMOSecurity_Mixed 为 Mixed Authentication 模式 设置 constAuth 的默认值 constAuth = SQLDMOSecurity_Mixed 调用改变 SQL Server 身份认证模式的方法 ChangeServerAuthenticationMode constAuth End SubSub ChangeServerAuthenticationMode(constAuth As Byte) Dim srv1 As SQLDMO.SQLServer 指定哪个服务器，默认为 Local (本地服务器) srvname = (local) 使用集成安全(Windows)方式新建一个 SQL Server 对象并进行连接 Set srv1 = New SQLDMO.SQLServer srv1.LoginSecure = True srv1.Connect srvname 设置 SecurityMode 属性为 Windows 或混合身份验证模式 srv1.IntegratedSecurity.SecurityMode = constAuth srv1.Disconnect 调用 Stop 方法停止服务器，直到服务器完全停止 srv1.Stop Do Until srv1.Status = SQLDMOSvc_Stopped Loop 重新以混合模式启动服务器 srv1.Start True, srvname 断开连接 srv1.Disconnect Set srv1 = Nothing End Sub Sub ToWindowsAuthentication() Dim srv1 As SQLDMO.SQLServer 指定哪个服务器，默认为 Local (本地服务器) srvname = (local) 使用集成安全(Windows)方式新建一个 SQL Server 对象并进行连接 Set srv1 = New SQLDMO.SQLServer srv1.LoginSecure = True srv1.Connect srvname 设置 SecurityMode 属性为 Windows 身份验证模式 srv1.IntegratedSecurity.SecurityMode = SQLDMOSecurity_Integrated srv1.Disconnect 调用 Stop 方法停止服务器，直到服务器完全停止 srv1.Stop Do Until srv1.Status = SQLDMOSvc_Stopped Loop 重新以混合模式启动服务器 srv1.Start True, srvname 断开连接 srv1.Disconnect Set srv1 = Nothing End Sub Sub WindowsToMixedAuthentication() Dim srv1 As SQLDMO.SQLServer 指定哪个服务器，默认为 Local (本地服务器) srvname = (local) 使用集成安全(Windows)方式新建一个 SQL Server 对象并进行连接 Set srv1 = New SQLDMO.SQLServer srv1.LoginSecure = True srv1.Connect srvname 设置 SecurityMode 属性混合身份验证模式 srv1.IntegratedSecurity.SecurityMode = SQLDMOSecurity_Mixed srv1.Disconnect 调用 Stop 方法停止服务器，直到服务器完全停止 srv1.Stop Do Until srv1.Status = SQLDMOSvc_Stopped Loop 重新以混合模式启动服务器 srv1.Start True, srvname 断开连接 srv1.Disconnect Set srv1 = Nothing End SubSub CallOpenADPWindowsOrSQLServer() Dim srvname As String Dim dbname As String Dim prpath As String Dim prname As String Dim suid As String Dim pwd As String Dim bolWindowsLogin As Boolean 设置打开 ADP 程序的参数 srvname = (local) dbname = NorthwindCS ADP 连接的数据库 prpath = C:Documents and SettingsAdministratorMy Documents ADP 文件所在的磁盘位置 prname = NorthwindCS ADP 文件名 suid = msdn5 pwd = password 该参数用于控制当前用户使用 Windows 登录 代替 SQL Server 的 suid 和 pwd bolWindowsLogin = False 使用 Windows 或 SQL Server 登录调用打开名为 prname ADP 的子程序 OpenADPWindowsOrSQLServer srvname, dbname, prpath, prname, suid, pwd, bolWindowsLogin End Sub Sub OpenADPWindowsOrSQLServer(srvname As String, dbname As String, _ prpath As String, prname As String, _ suid As String, pwd As String, bolWindowsLogin As Boolean) Dim bolLeaveOpen As Boolean Dim strPrFilePath As String Dim sConnectionString As String 是否保持现有打开的程序? If MsgBox(在该过程中是否关闭打开的 ADP?, vbYesNo) = vbYes Then bolLeaveOpen = True End If 新建 Access 会话实例 (使用 .9 : Access 2000, .10 : Access 2002) Set appAccess = CreateObject(Access.Application.9) 使用登录名和口令打开 ADP 并使其可视 strPrFilePath = prpath amp; prname appAccess.OpenAccessProject strPrFilePath appAccess.Visible = True 指定 ADP 使用的新的 Windwos 或 SQL Server 登录方式 If bolWindowsLogin Then appAccess.CurrentProject.OpenConnection _ PROVIDER=SQLOLEDB.1;INTEGRATED SECURITY=SSPI; amp; _ PERSIST SECURITY INFO=FALSE;INITIAL CATALOG= amp; _ dbname amp; ;DATA SOURCE= amp; srvname Else sConnectionString = PROVIDER=SQLOLEDB.1;INITIAL CATALOG= amp; _ dbname amp; ;DATA SOURCE= amp; srvname appAccess.CurrentProject.OpenConnection _ sConnectionString, _ suid, pwd End If 按上面提出的要求关闭 Access 会话实例 If bolLeaveOpen = False Then appAccess.CloseCurrentDatabase Set appAccess = Nothing End If End Sub Sub CallLoginDemo() Dim srvname As String Dim suid As String Dim pwd As String 设置登录 SQL Server 的参数 srvname = (local) suid = sa pwd = 调用 SQL Server 登录子程序 LoginDemo srvname, suid, pwd End SubSub LoginDemo(srvname As String, suid As String, pwd As String) Dim srv1 As SQLDMO.SQLServer Dim lgn1 As SQLDMO.Login 新建一服务器实例 Set srv1 = New SQLDMO.SQLServer 以 SQL Server 方式连接 SQL Server srv1.Connect srvname, suid, pwd 新建登录对象 Set lgn1 = New SQLDMO.Login 添加默认 SQL Server 登录 msdn6 lgn1.Name = UserX lgn1.Database = NorthwindCS lgn1.SetPassword , password srv1.Logins.Add lgn1 重新新建登录对象 Set lgn1 = New SQLDMO.Login 添加基于 Windows 组 SQL_users 的登录对象 lgn1.Name = MYDESKUserSQL lgn1.Database = NorthwindCS lgn1.Type = SQLDMOLogin_NTGroup srv1.Logins.Add lgn1 在添加登录后，列出登录列表 Debug.Print 添加 2 个新登录后的登录列表: For Each lgn1 In srv1.Logins Debug.Print DecodeLoginType(lgn1.Type), lgn1.Name Next lgn1 删除刚新建的登录 srv1.Logins.Remove MYDESKUserSQL srv1.Logins.Remove UserX 列出登录列表 Debug.Print vbCr amp; 删除 2 个新登录后的登录列表: For Each lgn1 In srv1.Logins Debug.Print DecodeLoginType(lgn1.Type), lgn1.Name Next lgn1 断开连接 srv1.Disconnect Set srv1 = Nothing End Sub Function DecodeLoginType(lgn_type As Byte) As String Select Case lgn_type Case 0 DecodeLoginType = SQLDMOLogin_NTUser Case 1 DecodeLoginType = SQLDMOLogin_NTGroup Case 2 DecodeLoginType = SQLDMOLogin_Standard Case Else DecodeLoginType = 超出范围 End Select End FunctionSub MakeLoginWithDatareaderUser() Dim srv1 As SQLDMO.SQLServer Dim lgn1 As SQLDMO.Login Dim usr1 As SQLDMO.User Dim srvname As String Dim suid As String Dim pwd As String Dim dbname As String Dim prpath As String Dim prname As String Dim bolWindowsLogin As Boolean 设置参数 srvname = (local) suid = sa pwd = dbname = NorthwindCS 新建服务器实例 Set srv1 = New SQLDMO.SQLServer 以 SQL Server 登录方式进行连接 srv1.Connect srvname, suid, pwd 新建一个 SQL Server 登录对象 UserX suid = UserX Set lgn1 = New SQLDMO.Login lgn1.Name = suid lgn1.Database = dbname lgn1.SetPassword , pwd srv1.Logins.Add lgn1 在数据库 North