module1.bas

学生信息管理系统的设计,包含与数据库的通信接口和密码等.

Attribute VB_Name = "Module1"
Public UserName As String

Sub Main()
    Dim fLogin As New frmLogin
    fLogin.Show vbModal
    If Not fLogin.OK Then
        End
    End If
    Unload fLogin
    Set fMainForm = New frmMain
    fMainForm.Show
End Sub


Public Function ConnectString() As String
   Dim strAppPath As String
   strAppPath = App.Path
   If Right(strAppPath, 1) <> "\" Then
       strAppPath = strAppPath & "\"
   End If
    
   strAppPath = strAppPath & "Data\Status.mdb"
   ConnectString = "DRIVER=Microsoft Access Driver (*.mdb);DBQ=" & strAppPath & ";PWD=MQ2004"
End Function
Public Function ExecuteSQL(ByVal SQL As String, MsgString As String) As ADODB.Recordset
   Dim cnn As ADODB.Connection
   Dim rst As ADODB.Recordset
   Dim sTokens() As String
   
   On Error GoTo ExecuteSQL_Error
   
   sTokens = Split(SQL)
   Set cnn = New ADODB.Connection
   cnn.Open ConnectString
   If InStr("INSERT,DELETE,UPDATE", UCase$(sTokens(0))) Then
      cnn.Execute SQL
      MsgString = sTokens(0) & " query successful"
   Else
      Set rst = New ADODB.Recordset
      rst.Open Trim$(SQL), cnn, adOpenKeyset, adLockOptimistic
      Set ExecuteSQL = rst
      MsgString = "查询到" & rst.RecordCount & " 条记录 "
   End If
ExecuteSQL_Exit:
   Set rst = Nothing
   Set cnn = Nothing
   Exit Function
ExecuteSQL_Error:
   MsgString = "查询错误: " & Err.Description
   Resume ExecuteSQL_Exit
End Function

Public Sub EnterToTab(Keyasc As Integer)
    If Keyasc = 13 Then
        SendKeys "{TAB}"
    End If
End Sub