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Êý¾Ý¿âÓÃaccess Êý¾Ý¿âÃûÊÇuser ±íÃûÊÇuser ×Ö¶ÎÊÇusername,password
´úÂëÈçÏ£ºµ«ÊÇÓдíÎó£¬Çë¸ßÊÖÃǰï°ïæָ³ö£¬Ð»Ð»
Option Explicit
Dim cnt As Integer '¼Ç¼ȷ¶¨´ÎÊý

Private Sub cmdCancel_Click()
Unload Me
End Sub

Private Sub cmdOK_Click()
Dim strAccess As String
Dim rs As New ADODB.Recordset
Dim conn As New ADODB.Connection
Dim sql As String
Dim connstr As String


conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False; data source=" & "user.mdb "


If Trim(text1.Text) = "" Then
MsgBox "Óû§Ãû²»ÄÜΪ¿Õ£¬ÇëÖØÐÂÊäÈ룡"
text1.SetFocus
Else
sql = "select * from user where username='" & Trim(text1.Text) & "'"
rs.Open "user", conn, adOpenKeyset, adLockPessimistic '´ò¿ª¼Ç¼¼¯
If rs.EOF = True Then
MsgBox "ûÓÐÕâ¸öÓû§,ÇëÖØÊäÈ룡", vbOKOnly + vbExclamation, ""
text1.Text = ""
text1.SetFocus
Else

If Trim(rs.Fields(1)) = Trim(text2.Text) Then

Unload Me
frmLogin.Show
Else
MsgBox "ÃÜÂë²»ÕýÈ·,ÇëÖØÊäÈ룡", vbOKOnly + vbExclamation, ""
text2.SetFocus
text2.Text = ""
End If
End If
End If
cnt = cnt + 1
If cnt = 3 Then <


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Private Sub Form_Load()
  recs = Adodc1.Recordset.RecordCount 'Çóµ±Ç°¼Ç¼Êý
  If recs > 0 Then 'ÒÑÓп¼Éú
  Adodc1.Recordset.MoveLast 'ÒÆµ½×îºóÒ»Ìõ¼Ç¼
  num = V ......
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