frmlogin.frm

学生管理系统,vb+acc开发的一个简单程序

VERSION 5.00
Object = "{CE671F01-259E-40DA-92FE-95803E2ECBB5}#1.0#0"; "SmartXPButton.ocx"
Begin VB.Form FrmLogin 
   BackColor       =   &H00E7DFE7&
   BorderStyle     =   0  'None
   Caption         =   "登录"
   ClientHeight    =   3885
   ClientLeft      =   0
   ClientTop       =   0
   ClientWidth     =   4755
   ClipControls    =   0   'False
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3885
   ScaleWidth      =   4755
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox txtUserID 
      Height          =   360
      IMEMode         =   3  'DISABLE
      Left            =   2160
      TabIndex        =   1
      Top             =   1080
      Width           =   2295
   End
   Begin VB.TextBox txtUserName 
      BackColor       =   &H00E7DFE7&
      Height          =   360
      Left            =   2160
      Locked          =   -1  'True
      TabIndex        =   7
      TabStop         =   0   'False
      Top             =   1800
      Width           =   2295
   End
   Begin VB.TextBox txtPass 
      Height          =   360
      IMEMode         =   3  'DISABLE
      Left            =   2160
      MaxLength       =   12
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   2565
      Width           =   2295
   End
   Begin SmartXPButton.XpButton cmdCancel 
      Cancel          =   -1  'True
      Height          =   495
      Left            =   2760
      TabIndex        =   5
      Top             =   3240
      Width           =   1335
      _ExtentX        =   2355
      _ExtentY        =   873
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      CaptionAreaPercent=   100
      Caption         =   "取消(&C)"
      CaptionMouseOverColor=   16711680
      PictureSmoothBackColor=   14410727
   End
   Begin SmartXPButton.XpButton cmdOK 
      Height          =   495
      Left            =   1080
      TabIndex        =   4
      Top             =   3240
      Width           =   1335
      _ExtentX        =   2355
      _ExtentY        =   873
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      CaptionAreaPercent=   100
      Caption         =   "确定(&O)"
      CaptionMouseOverColor=   16711680
      PictureSmoothBackColor=   14410727
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "用户编号(&I)："
      Height          =   180
      Left            =   960
      TabIndex        =   0
      Top             =   1200
      Width           =   1170
   End
   Begin VB.Image Image3 
      Height          =   870
      Left            =   0
      Picture         =   "FrmLogin.frx":0000
      Top             =   0
      Width           =   4770
   End
   Begin VB.Image Image2 
      Height          =   480
      Left            =   240
      Picture         =   "FrmLogin.frx":0B44
      Stretch         =   -1  'True
      Top             =   2505
      Width           =   480
   End
   Begin VB.Image Image1 
      Height          =   480
      Left            =   240
      Picture         =   "FrmLogin.frx":24C6
      Stretch         =   -1  'True
      Top             =   1185
      Width           =   480
   End
   Begin VB.Label lblLabels 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "密码(&P):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Index           =   1
      Left            =   960
      TabIndex        =   2
      Top             =   2640
      Width           =   840
   End
   Begin VB.Label lblLabels 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "用户名:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Index           =   0
      Left            =   960
      TabIndex        =   6
      Top             =   1920
      Width           =   735
   End
End
Attribute VB_Name = "FrmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim MyLogin As OpenRs
Dim UseridSQL As String
Dim Level As Integer
Public CurrentUser As String
Private Sub Cmdcancel_Click()
Unload Me
End Sub

Private Sub cmdOK_Click()
If txtUserId.Text = "Administrator" And txtPass.Text = "ACCP2002" Then
    Unload Me
    FrmMain.Show
    Exit Sub
End If

If txtUserId.Text = "" Then
   MsgBox "请输入用户编号！", vbOKOnly + vbInformation, "用户登陆"
   txtUserId.SetFocus
   Exit Sub
Else
   UseridSQL = "select * from User_Info where user_Id='" & txtUserId.Text & "'"
   MyLogin.rsDK1 UseridSQL
   If MyLogin.rs1.EOF = False Then
      txtUserName.Text = Trim(MyLogin.rs1!user_name)
      Level = MyLogin.rs1!user_level
      If txtPass.Text = Trim(MyLogin.rs1!user_pwd) Then
         CurrentUser = Trim(MyLogin.rs1!user_name)
         Call DisplayMenu
         Unload Me
         FrmMain.Show
      Else
         MsgBox "密码错误！" & vbCrLf & vbCrLf & "请重新输入！", vbOKOnly + vbInformation, "用户登陆"
         txtPass.Text = ""
         txtPass.SetFocus
         Exit Sub
      End If
   Else
      MsgBox "用户编号不存在！" & vbCrLf & vbCrLf & "请重新输入！", vbOKOnly + vbInformation, "用户登陆"
      txtUserId.Text = ""
      txtUserId.SetFocus
      Exit Sub
   End If
   
End If
End Sub

Private Sub Form_Load()
Set MyLogin = New OpenRs
End Sub

Private Sub txtPass_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
   Call cmdOK_Click
End If
End Sub

Private Sub txtUserId_Change()
txtPass.Text = ""
txtUserName.Text = ""
End Sub

Private Sub txtUserId_KeyPress(KeyAscii As Integer)
If KeyAscii = 39 Then
   KeyAscii = 0
ElseIf KeyAscii = 13 Then
   txtPass.SetFocus
End If
End Sub

Private Sub txtUserId_LostFocus()
UseridSQL = "select * from User_Info where user_Id='" & txtUserId.Text & "'"
   MyLogin.rsDK1 UseridSQL
   If MyLogin.rs1.EOF = False Then
      txtUserName.Text = Trim(MyLogin.rs1!user_name)
   End If
End Sub

Private Sub DisplayMenu()
If Level = 2 Then
   FrmMain.mnuBackUpDB.Visible = False
   FrmMain.mnuRestoreDB.Visible = False
   FrmMain.mnuline1.Visible = False
   FrmMain.mnuAddUser.Visible = False
   FrmMain.mnuDeleteUser.Visible = False
ElseIf Level = 3 Then
   FrmMain.mnuBackUpDB.Visible = False
   FrmMain.mnuRestoreDB.Visible = False
   FrmMain.mnuline1.Visible = False
   FrmMain.mnuUserManage.Visible = False
   FrmMain.mnuGrade.Visible = False
   FrmMain.mnuClass.Visible = False
   FrmMain.mnuCourseInfo.Visible = False
   FrmMain.mnuStudentInfo.Visible = False
   FrmMain.mnuResult.Visible = False
End If
End Sub