module1.bas

来自「带有SQL」· BAS 代码 · 共 67 行

Attribute VB_Name = "Module1"
Public mainForm As mainForm1
Public username As String    '全局变量



Sub Main()
    Dim fLogin As New denglu
    fLogin.Show vbModal
    If Not fLogin.ok Then
        '判断如果连接不起则退出系统
        End
    End If
    Unload fLogin


    Set mainForm = New mainForm1
    fMainForm.Show
End Sub
Public Function ConnectString() _
   As String
   '定义一个连接本地数据库源 名为：qinshi_guanli
   ConnectString = "FileDSN=qinshi_guanliif.dsn;UID=sa;PWD="
End Function

Public Function ExecuteSQL(ByVal SQL _
   As String, MsgString As String) _
   As ADODB.Recordset

   Dim cnn As ADODB.Connection  ' 连接数据库
   Dim rst As ADODB.Recordset   ' 数据库记录
   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