frmchpwd.frm

数据库要求：Access 2000或者更高的版本。 系统要求：Windows系列操作系统。 运行“安装程序”文件夹中的setup.exe文件

VERSION 5.00
Begin VB.Form frmChPwd 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "修改密码"
   ClientHeight    =   3825
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   5235
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   3825
   ScaleWidth      =   5235
   Begin VB.Frame fraChPwd 
      Height          =   2775
      Left            =   480
      TabIndex        =   2
      Top             =   120
      Width           =   4455
      Begin VB.TextBox txtChUser 
         Height          =   375
         Left            =   1560
         TabIndex        =   6
         Top             =   360
         Width           =   2055
      End
      Begin VB.TextBox txtOldPwd 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   1560
         PasswordChar    =   "*"
         TabIndex        =   5
         Top             =   960
         Width           =   2055
      End
      Begin VB.TextBox txtNewPwd 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   1560
         PasswordChar    =   "*"
         TabIndex        =   4
         Top             =   1560
         Width           =   2055
      End
      Begin VB.TextBox txtNewPwdagain 
         Height          =   405
         IMEMode         =   3  'DISABLE
         Left            =   1560
         PasswordChar    =   "*"
         TabIndex        =   3
         Top             =   2160
         Width           =   2055
      End
      Begin VB.Label lblChUser 
         Caption         =   "用户名："
         Height          =   375
         Left            =   480
         TabIndex        =   10
         Top             =   480
         Width           =   855
      End
      Begin VB.Label lblOldPwd 
         Caption         =   "原密码："
         Height          =   375
         Left            =   480
         TabIndex        =   9
         Top             =   1080
         Width           =   855
      End
      Begin VB.Label lblNewPwd 
         Caption         =   "新密码："
         Height          =   375
         Left            =   480
         TabIndex        =   8
         Top             =   1680
         Width           =   855
      End
      Begin VB.Label lblPwdagain 
         Caption         =   "新密码："
         Height          =   375
         Left            =   480
         TabIndex        =   7
         Top             =   2280
         Width           =   855
      End
   End
   Begin VB.CommandButton cmdChPwdOk 
      Caption         =   "确    定"
      Height          =   495
      Left            =   960
      TabIndex        =   1
      Top             =   3120
      Width           =   1455
   End
   Begin VB.CommandButton cmdChPwdCancel 
      Caption         =   "取    消"
      Height          =   495
      Left            =   3000
      TabIndex        =   0
      Top             =   3120
      Width           =   1455
   End
End
Attribute VB_Name = "frmChPwd"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdChPwdCancel_Click()
   Unload Me
End Sub

Private Sub cmdChPwdOk_Click()
   Dim rstUser As New ADODB.Recordset
   Dim sql As String
   '先检测两次输入的新密码时候一样
   If txtNewPwd.Text <> txtNewPwdagain.Text Then
      MsgBox "两次输入的密码不同！请重新输入", vbOKOnly + vbInformation, ""
      '光标定位于新密码textbox中
      txtNewPwd.SetFocus
      Exit Sub
   End If
   '先检查此用户名及密码是否正确
   sql = "select * from 用户表 where 用户名 = '" & txtChUser.Text & "' and " _
   & " 密码= '" & txtOldPwd.Text & "'"
   rstUser.Open sql, conn, adOpenKeyset, adLockPessimistic
    If rstUser.EOF = True Then
        MsgBox "老用户名或密码错误！", vbOKOnly + vbExclamation, ""
        txtChUser.Text = ""
        txtChUser.SetFocus
        txtOldPwd.Text = ""
        rstUser.Close
        Exit Sub
    Else
       rstUser.Fields(1) = txtNewPwd.Text
       rstUser.Update
       MsgBox "修改密码成功！", vbOKOnly + vbInformation, ""
       rstUser.Close
       Unload Me
    End If
End Sub

Private Sub Form_Load()
   Dim X0 As Long
   Dim Y0 As Long
   '让窗体居中
   X0 = Screen.Width
   Y0 = Screen.Height
   X0 = (X0 - Me.Width) / 2
   Y0 = (Y0 - Me.Height) / 2
   Me.Move X0, Y0

End Sub