登陆框.frm

用VB写的学生成绩管理系统

VERSION 5.00
Begin VB.Form frmDenglu 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "请登陆..."
   ClientHeight    =   3075
   ClientLeft      =   3825
   ClientTop       =   3555
   ClientWidth     =   4710
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3075
   ScaleWidth      =   4710
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取消(&C)"
      Height          =   375
      Left            =   3120
      TabIndex        =   8
      Top             =   2520
      Width           =   1455
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定(&O)"
      Height          =   375
      Left            =   1440
      TabIndex        =   7
      Top             =   2520
      Width           =   1455
   End
   Begin VB.TextBox Text2 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1200
      PasswordChar    =   "*"
      TabIndex        =   4
      Top             =   1920
      Width           =   3255
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1200
      TabIndex        =   3
      Top             =   1440
      Width           =   3255
   End
   Begin VB.Frame Frame1 
      Caption         =   "请选择您的登陆方式："
      Height          =   1335
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   4695
      Begin VB.OptionButton Option3 
         Caption         =   "以超级管理员方式登陆"
         Height          =   300
         Left            =   1080
         TabIndex        =   9
         Top             =   840
         Width           =   2295
      End
      Begin VB.OptionButton Option2 
         Caption         =   "以学生方式登陆"
         Height          =   255
         Left            =   2760
         TabIndex        =   2
         Top             =   360
         Width           =   1695
      End
      Begin VB.OptionButton Option1 
         Caption         =   "以教师方式登陆"
         Height          =   300
         Left            =   480
         TabIndex        =   1
         Top             =   360
         Width           =   1815
      End
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "密码："
      Height          =   180
      Left            =   360
      TabIndex        =   6
      Top             =   2040
      Width           =   540
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "用户名："
      Height          =   180
      Left            =   240
      TabIndex        =   5
      Top             =   1560
      Width           =   720
   End
End
Attribute VB_Name = "frmDenglu"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim flag As Integer

Private Sub Command1_Click()
'判断登陆方式
If Option1 = True Then      '老师登陆方式
    rs_RenZheng_LaoShi.MoveFirst
    While Not rs_RenZheng_LaoShi.EOF
        If rs_RenZheng_LaoShi!yonghuming = Trim(Text1.Text) And rs_RenZheng_LaoShi!mima = Trim(Text2.Text) Then
            Unload Me
            Exit Sub
        Else
            rs_RenZheng_LaoShi.MoveNext
        End If
    Wend
    MsgBox "输入的操作员名称或口令非法，请注意输入的大小写敏感，请重试！！！", , "非法的操作员口令"
    If flag > 2 Then
        MsgBox "用户名或密码非法三次，您无权登陆！！！"
        End
    End If
    flag = flag + 1
End If

If Option2 = True Then      '学生登陆方式
    rs_RenZheng_XueSheng.MoveFirst
    While Not rs_RenZheng_XueSheng.EOF
        If rs_RenZheng_XueSheng!yonghuming = Trim(Text1.Text) And rs_RenZheng_XueSheng!mima = Trim(Text2.Text) Then
            Unload Me
            Exit Sub
        Else
            rs_RenZheng_XueSheng.MoveNext
        End If
    Wend
    MsgBox "输入的操作员名称或口令非法，请注意输入的大小写敏感，请重试！！！", , "非法的操作员口令"
    If flag > 2 Then
        MsgBox "用户名或密码非法三次，您无权登陆！！！"
        End
    End If
    flag = flag + 1
End If

If Option3 = True Then      '超级管理员登陆
    If Trim(Text1.Text) = "Administrator" And Trim(Text2.Text) = "123456789" Then
        Unload Me
        Exit Sub
    End If
    MsgBox "输入的操作员名称或口令非法，请注意输入的大小写敏感，请重试！！！", , "非法的操作员口令"
End If
If flag > 2 Then
    MsgBox "用户名或密码非法三次，您无权登陆！！！"
    End
End If
End Sub

Private Sub Command2_Click()
    If QJBL_1 = 0 Then
        End
    End If
    If QJBL_1 = 1 Then
        Unload frmDenglu
    End If
End Sub

Private Sub Option1_Click()
    Text1.Text = ""
End Sub

Private Sub Option2_Click()
    Text1.Text = ""
End Sub

Private Sub Option3_Click()
    Text1.Text = "Administrator"
End Sub