login.frm

企业管理系统,用ACESS2000的数据库系统和ADO连接接口

VERSION 5.00
Begin VB.Form login 
   Caption         =   "密码登陆"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form2"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   615
      Left            =   2160
      TabIndex        =   2
      Top             =   1320
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   615
      Left            =   720
      TabIndex        =   1
      Top             =   1320
      Width           =   1095
   End
   Begin VB.TextBox Text1 
      Height          =   615
      IMEMode         =   3  'DISABLE
      Left            =   2040
      PasswordChar    =   "*"
      TabIndex        =   0
      Top             =   360
      Width           =   1095
   End
   Begin VB.Label Label1 
      Caption         =   "请输入密码："
      Height          =   255
      Left            =   840
      TabIndex        =   3
      Top             =   600
      Width           =   1095
   End
End
Attribute VB_Name = "login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private Conn As ADODB.Connection
Private Rst As New ADODB.Recordset



Private Sub Command1_Click()


If (Rst.State = adStateOpen) Then
        Rst.Close
    End If
    Rst.CursorLocation = adUseClient
    Rst.Open "Select * From userb", Conn, adOpenKeyset, adLockPessimistic
   
If Rst.Fields("mm").Value = Text1.Text Then
Unload Me
Form1.Show

Else
MsgBox "密码错误，请重新输入！"
Text1.Text = ""



End If

End Sub

Private Sub Command2_Click()
End
End Sub




Private Sub Form_Load()
   
    Dim ConString As String
    ConString = "Provider=Microsoft.Jet.OleDb.4.0;Persist Security Info = False;" _
               & "Data Source =" & App.Path & "\db1.mdb;Jet OleDb:DataBase Password=123456"

    
    Set Conn = CreateObject("ADODB.Connection")
    With Conn
        .ConnectionString = ConString
        .Open
    End With
    
    Rst.CursorLocation = adUseClient
    Rst.Open "Select * From userb", Conn, adOpenKeyset, adLockPessimistic, adCmdText
     
End Sub