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本子程序配合《关于 SQL Server 2000 身份验证与安全控制》一文。 Option Compare DatabasePublic 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, pwdEnd 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 = NothingEnd Sub Sub CallSQLDMOWindowsLogin() Dim srvname As String ' 设置 Windows 登录参数 srvname = "(local)" SQLDMOWindowsLogin srvnameEnd 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 = NothingEnd 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 constAuthEnd Sub Sub 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 = NothingEnd 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 Sub Sub 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 Settings\Administrator\My 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, bolWindowsLoginEnd 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 & 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;" & _ "PERSIST SECURITY INFO=FALSE;INITIAL CATALOG=" & _ dbname & ";DATA SOURCE=" & srvname Else sConnectionString = "PROVIDER=SQLOLEDB.1;INITIAL CATALOG=" & _ dbname & ";DATA SOURCE=" & 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 IfEnd 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, pwdEnd Sub Sub 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 = "MYDESK\UserSQL" 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 "MYDESK\UserSQL" srv1.Logins.Remove "UserX" ' 列出登录列表 Debug.Print vbCr & "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 = NothingEnd 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 Function Sub 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 NorthwindCS 上新建一个用户对象 UserX，并与登录对象 UserX 相关联 Set usr1 = New SQLDMO.User usr1.Name = suid usr1.Login = lgn1.Name srv1.Databases(dbname).Users.Add usr1 srv1.Databases(dbname).DatabaseRoles("db_datareader").AddMember usr1.Name ' 设置调用 ADP 的子程序参数 prpath = "C:\Documents and Settings\Administrator\My Documents\" prname = "NorthwindCS" ' 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, bolWindowsLoginEnd Sub Sub CleanUpAfterMakeLoginWithDAtaReader() Dim srv1 As New SQLDMO.SQLServer srv1.Connect "(local)", "sa", "" srv1.Databases("NorthwindCS").Users.Remove "UserX" srv1.Logins.Remove "UserX"End Sub |
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