子程序,一组SQLServer身份验证管理子程序

一组SQLServer身份验证管理子程序 - 应用软件 - 电脑教程网

一组SQLServer身份验证管理子程序

日期:2006-10-25   荐:
  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 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 = 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 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 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 & 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 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 Sub      Sub LoginDemo(srvname As String, suid As String, pwd As String)    Dim srv1 As SQLDMO.SQLServer
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