登录窗口.frm

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VERSION 5.00
Begin VB.Form login 
   Caption         =   "登录窗口"
   ClientHeight    =   4305
   ClientLeft      =   4740
   ClientTop       =   4185
   ClientWidth     =   6105
   LinkTopic       =   "Form1"
   ScaleHeight     =   4305
   ScaleWidth      =   6105
   Begin VB.TextBox Text2 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   2280
      PasswordChar    =   "*"
      TabIndex        =   5
      Top             =   1320
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   2280
      TabIndex        =   4
      Top             =   360
      Width           =   1695
   End
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   3480
      TabIndex        =   1
      Top             =   2880
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1080
      TabIndex        =   0
      Top             =   2880
      Width           =   975
   End
   Begin VB.Label Label2 
      Caption         =   "密码"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   3
      Top             =   1440
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "帐号"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1200
      TabIndex        =   2
      Top             =   480
      Width           =   1095
   End
End
Attribute VB_Name = "login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub Form_Load()
    loginOK = False
    ErrCount = 0
End Sub
Private Sub Command1_Click()
    Dim txtmsg As String
    UserName = Trim$(Text1.Text)
    Password = Trim$(Text2.Text)
    If UserName = "" Then
        MsgBox "登陆帐号不能为空,请重新输入登陆帐号!", vbOKOnly + vbExclamation, "警告"
        Text1.SetFocus
        Exit Sub
    End If
    If Password = "" Then
        MsgBox "登陆密码不能为空,请重新输入登陆帐号!", vbOKOnly + vbExclamation, "警告"
        Text2.SetFocus
        Exit Sub
    End If
    Dim rs As ADODB.Recordset
    If ErrCount = 2 Then
        MsgBox "登陆信息输入错误三次,系统将自动关闭!", vbOKOnly + vbExclamation, "警告"
        Me.Hide
        Unload login
        mainform.Hide
        Unload mainform
        End
    Else
        txtSQL = "select * from muser where user_name='" & UserName & "'"
        Set rs = ExecuteSQL(txtSQL, txtmsg)
        If rs.EOF = True Then
            MsgBox "没有这个登陆帐号,请重新输入登陆帐号!", vbOKOnly + vbExclamation, "警告"
            ErrCount = ErrCount + 1
            Text1.Text = ""
            Text2.Text = ""
            Text1.SetFocus
            Exit Sub
        Else
            If Password <> rs("user_pwd") Then
                MsgBox "登陆密码错误,请重新输入登陆密码!", vbOKOnly + vbExclamation, "警告"
                ErrCount = ErrCount + 1
                Text2.Text = ""
                Text2.SetFocus
                Exit Sub
            Else
                loginOK = True
                mainform.StatusBar1.Panels(2).Text = UserName
                mainform.dlxt.Enabled = False
                mainform.tcdl.Enabled = True
                mainform.xgma.Enabled = True
                mainform.tjyh.Enabled = True
                mainform.cmdpk.Enabled = True
                mainform.cmdrk.Enabled = True
                mainform.cmdck.Enabled = True
                mainform.cmdcx.Enabled = True
                mainform.cmdqt.Enabled = True
                mainform.cmdwz.Enabled = True
                MsgBox "用户登陆成功!", vbOKOnly + vbExclamation, "警告"
                Me.Hide
                Unload login
                mainform.cmdwz.SetFocus
            End If
        End If
        rs.Close
        Set rs = Nothing
    End If
End Sub
Private Sub Command2_Click()
    login.Hide
    Unload login
End Sub