login.frm

学生成绩管理

VERSION 5.00
Begin VB.Form login 
   BackColor       =   &H00FFFFFF&
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登陆系统"
   ClientHeight    =   3435
   ClientLeft      =   45
   ClientTop       =   450
   ClientWidth     =   4305
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "login.frx":0000
   ScaleHeight     =   3435
   ScaleWidth      =   4305
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1800
      TabIndex        =   1
      Text            =   "zhizuozu"
      Top             =   1080
      Width           =   1935
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      ItemData        =   "login.frx":35B0B
      Left            =   1800
      List            =   "login.frx":35B15
      TabIndex        =   0
      Text            =   "管理员"
      Top             =   360
      Width           =   1935
   End
   Begin VB.TextBox txtPass 
      DataField       =   "密码"
      Height          =   300
      IMEMode         =   3  'DISABLE
      Left            =   1800
      PasswordChar    =   "*"
      TabIndex        =   2
      Text            =   "618"
      Top             =   1680
      Width           =   1935
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Height          =   495
      Left            =   600
      TabIndex        =   3
      Top             =   2400
      Width           =   975
   End
   Begin VB.CommandButton Cmdcancel 
      Caption         =   "取消"
      Height          =   495
      Left            =   2760
      TabIndex        =   4
      Top             =   2400
      Width           =   975
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "登陆身份:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   0
      TabIndex        =   7
      Top             =   360
      Width           =   1335
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "密码:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   600
      TabIndex        =   6
      Top             =   1680
      Width           =   735
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "用户:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   600
      TabIndex        =   5
      Top             =   1080
      Width           =   735
   End
End
Attribute VB_Name = "login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs1 As New ADODB.Recordset     '定义一个数据集对象
Dim rs As New ADODB.Recordset
Private Sub cmdCancel_Click()
Unload Me
End Sub
Private Sub cmdOK_Click()
Dim sq As String
Dim sq1 As String
Call st(frmLogin.yhm.Text, frmLogin.mm.Text, frmLogin.fwqm.Text)
If Combo1.Text = "管理员" Then
   If Text1.Text = "" Then
        MsgBox "用户名不能为空"
        Text1.SetFocus
   Else
      If txtPass.Text = "" Then
         MsgBox "密码不能为空"
      Else
        If Text1.Text <> "zhizuozu" Then
           MsgBox "用户名错误"
        Else
           If txtPass.Text <> "618" Then
              MsgBox "密码错误"
           Else
              Unload Me
              frmmain.Show
              frmmain.用户删除.Enabled = True
              frmmain.用户添加.Enabled = True
              usecourse.Command9.Enabled = True
              usecourse.Command8.Enabled = True
              usecourse.Command6.Enabled = True
              usekc.Command3.Enabled = True
              usekc.Command4.Enabled = True
              usekc.Command5.Enabled = True
              usestu.Command1.Enabled = True
              usestu.Command2.Enabled = True
              usestu.Command3.Enabled = True
           End If
        End If
      End If
   End If
Else
   con.Open
   sq1 = "select yhmc,yhmm from yhb where yhmc='" & Text1.Text & "' and yhmm='" & txtPass.Text & "'"
   Set rs = con.Execute(sq1)
   If rs.BOF Or rs.EOF Then
        MsgBox "密码或用户名错误,请您确认后重新输入"
        Text1.Text = ""
        txtPass.Text = ""
        Text1.SetFocus
   Else
        Unload Me
        frmmain.Show
        frmmain.用户删除.Enabled = False
        frmmain.用户添加.Enabled = False
        usecourse.Command9.Enabled = False
        usecourse.Command8.Enabled = False
        usecourse.Command6.Enabled = False
        usekc.Command3.Enabled = False
        usekc.Command4.Enabled = False
        usekc.Command5.Enabled = False
        usestu.Command1.Enabled = False
        usestu.Command2.Enabled = False
        usestu.Command3.Enabled = False
   End If
   con.Close
End If
End Sub

Private Sub Form_Load()
login.Move (Screen.Height - login.Height) / 2, (Screen.Width - login.Width) / 2
End Sub

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