dlglogin.frm

教务管理系统

VERSION 5.00
Begin VB.Form dlgLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登录"
   ClientHeight    =   1545
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   3750
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   912.837
   ScaleMode       =   0  'User
   ScaleWidth      =   3521.047
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.ComboBox CmbUser 
      ForeColor       =   &H80000001&
      Height          =   300
      ItemData        =   "DlgLogin.frx":0000
      Left            =   1320
      List            =   "DlgLogin.frx":0002
      TabIndex        =   4
      Text            =   "请选择..."
      Top             =   120
      Width           =   2175
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定(&O)"
      Default         =   -1  'True
      Height          =   390
      Left            =   495
      TabIndex        =   1
      Top             =   1020
      Width           =   1140
   End
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "取消(&C)"
      Height          =   390
      Left            =   2100
      TabIndex        =   2
      Top             =   1020
      Width           =   1140
   End
   Begin VB.TextBox txtPassword 
      Height          =   305
      IMEMode         =   3  'DISABLE
      Left            =   1290
      MaxLength       =   12
      PasswordChar    =   "*"
      TabIndex        =   0
      Top             =   525
      Width           =   2205
   End
   Begin VB.Label lblLabels 
      AutoSize        =   -1  'True
      Caption         =   "用户名(&U):"
      Height          =   180
      Index           =   0
      Left            =   240
      TabIndex        =   5
      Top             =   195
      Width           =   900
   End
   Begin VB.Label lblLabels 
      AutoSize        =   -1  'True
      Caption         =   "密码(&P):"
      Height          =   180
      Index           =   1
      Left            =   240
      TabIndex        =   3
      Top             =   585
      Width           =   720
   End
End
Attribute VB_Name = "dlgLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim Rs1 As ADODB.Recordset
Dim icount As Integer

Private Sub cmdCancel_Click()
   Me.Hide
   Rs1.Close
End Sub

Private Sub cmdOK_Click()

If CmbUser.Text = "Administrator" And txtPassword.Text = Permission Then
         UserName = CmbUser.Text
         Permission = "Robin"
         Me.Hide
         Rs1.Close
         Exit Sub
End If
If CmbUser.ListIndex <> -1 Then
       Rs1.MoveFirst
  Do While Rs1.EOF = False
    If CmbUser.Text = Rs1!班主任 And txtPassword.Text = Rs1!密码 Then
         UserName = CmbUser.Text
         Permission = Rs1!班级
         Me.Hide
         Rs1.Close
         Exit Sub
     Else
         Rs1.MoveNext
    End If
   Loop
        Rs1.MoveFirst
        icount = icount + 1
   If icount = 5 Then
         Me.Hide
         Rs1.Close
         Call ExecErr(Date, CmbUser.Text, 1000001, "系统登录时...", "登录密码错误！")
      Exit Sub
   End If
   MsgBox "密码错误，你还有" & 5 - icount & "次机会！", 8, "登录错误"
Else
    icount = icount + 1
   If icount = 5 Then
         Me.Hide
         Rs1.Close
         Call ExecErr(Date, CmbUser.Text, 1000001, "系统登录时...", "登录密码错误！")
      Exit Sub
   End If
   MsgBox "此用户不存在，你还有" & 5 - icount & "次机会！", 8, "登录错误"

End If

End Sub

Private Sub Form_Load()
  Set Rs1 = New ADODB.Recordset
  Rs1.Open "分工表", Con, adOpenStatic, adCmdTable
    icount = 0
    If Rs1.BOF And Rs1.EOF Then
    MsgBox "请用管理员账号登录"
    Exit Sub
    End If
Rs1.MoveFirst
Do While Rs1.EOF = False
  CmbUser.AddItem Rs1!班主任, i
  i = i + 1
  Rs1.MoveNext
Loop

End Sub