frmchangpassword.frm

实现某班级的图书信息管理

VERSION 5.00
Begin VB.Form FrmChangPassword 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "更改用户密码"
   ClientHeight    =   3195
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   Begin VB.CommandButton CmdExit 
      Caption         =   "退出"
      Height          =   375
      Left            =   3000
      TabIndex        =   4
      Top             =   2400
      Width           =   975
   End
   Begin VB.CommandButton CmdOK 
      Caption         =   "确定"
      Height          =   375
      Left            =   1560
      TabIndex        =   3
      Top             =   2400
      Width           =   975
   End
   Begin VB.Data Datchange 
      Caption         =   "Data1"
      Connect         =   "Access"
      DatabaseName    =   ""
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   345
      Left            =   480
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   ""
      Top             =   2520
      Visible         =   0   'False
      Width           =   1335
   End
   Begin VB.TextBox TxtOldPassword 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   0
      Top             =   600
      Width           =   1815
   End
   Begin VB.TextBox TxtPassword 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1200
      Width           =   1815
   End
   Begin VB.TextBox TxtPasswordCheck 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   1800
      Width           =   1815
   End
   Begin VB.Label Label1 
      Caption         =   "原密码："
      Height          =   375
      Left            =   960
      TabIndex        =   7
      Top             =   720
      Width           =   855
   End
   Begin VB.Label Label3 
      Caption         =   "验证密码："
      Height          =   375
      Left            =   960
      TabIndex        =   6
      Top             =   1800
      Width           =   975
   End
   Begin VB.Label Label2 
      Caption         =   "新密码："
      Height          =   375
      Left            =   960
      TabIndex        =   5
      Top             =   1320
      Width           =   735
   End
End
Attribute VB_Name = "FrmChangPassword"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 '************************************************************************
     '本窗本用于更改用户的密码，要求更重新输入密码
 '*************************************************************************

Dim intcount As Integer

Private Sub CmdExit_Click()

    Unload Me
    
End Sub

Private Sub CmdOK_Click()
    
    Dim rs As Recordset
    If TxtOldPassword = "" Or TxtPassword = "" Or TxtPasswordCheck = "" Then
        MsgBox "请将信息填完整！", vbOKOnly + vbExclamation, "增添用户"
    End If
    If intcount >= 3 Then
            MsgBox "非法用户！", vbOKOnly + vbExclamation, ""
            Unload Me
            Exit Sub
       End If
    If TxtOldPassword <> userPassword Then
        MsgBox "用户密码不正确！", vbOKOnly + vbExclamation, ""
        intcount = intcount + 1
        
        Exit Sub
    End If
    If TxtPassword.Text <> TxtPasswordCheck.Text Then
        MsgBox "两次密码输入不一致", vbOKOnly + vbInformation, "增添用户"
        Exit Sub
    End If
 
     Datchange.DatabaseName = DataPath
     Datchange.RecordSource = "select * from usertable"
     Datchange.Refresh
     Set rs = Datchange.Recordset
     With rs
         .FindFirst "username = '" & username & "'"
         .Edit
         .Fields("password") = TxtPassword.Text
         .Update
     End With
     MsgBox "密码修改成功！", vbOKCancel, "修改密码"
    
 
End Sub

Private Sub Form_Activate()
    TxtOldPassword.SetFocus
End Sub

Private Sub Form_Load()
     Me.Left = (Screen.Width - Me.ScaleWidth) * 1 / 2
    Me.Top = (Screen.Height - Me.ScaleHeight) * 1 / 2
End Sub

Private Sub TxtOldPassword_KeyPress(KeyAscii As Integer)
    If KeyAscii = 13 Then
        TxtPassword.SetFocus
    End If
End Sub

Private Sub TxtPassword_KeyPress(KeyAscii As Integer)
    If KeyAscii = 13 Then
        TxtPasswordCheck.SetFocus
    End If
End Sub

Private Sub TxtPasswordCheck_KeyPress(KeyAscii As Integer)
    If KeyAscii = 13 Then
        CmdOK_Click
        
    End If
End Sub