changepass.frm

财务管理系统的基本功能的实现

VERSION 5.00
Begin VB.Form changepass 
   Caption         =   "修改密码"
   ClientHeight    =   4755
   ClientLeft      =   60
   ClientTop       =   390
   ClientWidth     =   5670
   LinkTopic       =   "Form1"
   ScaleHeight     =   4755
   ScaleWidth      =   5670
   StartUpPosition =   3  '窗口缺省
   Begin VB.Frame Frame1 
      Caption         =   "修改管理员密码"
      Height          =   4455
      Left            =   0
      TabIndex        =   0
      Top             =   120
      Width           =   5655
      Begin VB.TextBox User 
         Height          =   375
         Left            =   240
         TabIndex        =   6
         Top             =   720
         Width           =   5055
      End
      Begin VB.TextBox NewPass 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   240
         PasswordChar    =   "#"
         TabIndex        =   5
         Top             =   2280
         Width           =   5055
      End
      Begin VB.TextBox ChkPass 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   240
         PasswordChar    =   "#"
         TabIndex        =   4
         Top             =   3000
         Width           =   5055
      End
      Begin VB.TextBox OldPass 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   240
         PasswordChar    =   "#"
         TabIndex        =   3
         Top             =   1440
         Width           =   5055
      End
      Begin VB.CommandButton Command1 
         Caption         =   "确认"
         Default         =   -1  'True
         Height          =   495
         Left            =   240
         TabIndex        =   2
         Top             =   3720
         Width           =   2295
      End
      Begin VB.CommandButton Command2 
         Cancel          =   -1  'True
         Caption         =   "取消"
         Height          =   495
         Left            =   3000
         TabIndex        =   1
         Top             =   3720
         Width           =   2295
      End
      Begin VB.Label Label1 
         Caption         =   "管理员ID"
         Height          =   255
         Left            =   240
         TabIndex        =   10
         Top             =   480
         Width           =   2175
      End
      Begin VB.Label Label2 
         Caption         =   "新密码"
         Height          =   255
         Left            =   240
         TabIndex        =   9
         Top             =   2040
         Width           =   1815
      End
      Begin VB.Label Label3 
         Caption         =   "验证输入"
         Height          =   255
         Left            =   240
         TabIndex        =   8
         Top             =   2760
         Width           =   3735
      End
      Begin VB.Label Label4 
         Caption         =   "管理员原始密码"
         Height          =   255
         Left            =   240
         TabIndex        =   7
         Top             =   1200
         Width           =   2535
      End
   End
End
Attribute VB_Name = "changepass"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Command1_Click()
    Dim sql As String
    Dim rs As New ADODB.Recordset
    
    If NewPass.Text <> ChkPass.Text Then        '新密码和验证密码要相同
        MsgBox "新密码不一致！", vbCritical
        NewPass.SetFocus
        Exit Sub
    End If
    If User = "" Then       '密码和用户ID输入框不能为空
        MsgBox "管理员ID不能为空！", vbCritical
        User.SetFocus
        Exit Sub
    End If
    If OldPass.Text = "" Then
        MsgBox "管理员密码不能为空！", vbCritical
        OldPass.SetFocus
        Exit Sub
    End If
    If DbHandle.DbConnection Then
        sql = "TBL_ADMIN"       '打开管理员表,查看是否要添加的管理员ID已经存在
        rs.CursorType = adOpenDynamic
        rs.LockType = adLockOptimistic
        rs.Filter = "ADMIN_ID='" & User.Text & "'"
        rs.Open sql, DbFinance
        If DbHandle.resultcount(rs) <> 1 Then   '不存在出错退出
            MsgBox "管理员ID不存在！", vbExclamation
            rs.Close
            DbHandle.DbClose
            User.SetFocus
            Exit Sub
        Else        '存在查看输入的原是密码是否和数据库保存的密码相一致
            If rs("ADMIN_PASSWORD") <> OldPass.Text Then '不一致要求重新输入原是密码
                MsgBox "管理员密码错误！", vbExclamation
                rs.Close
                OldPass.SetFocus
                Exit Sub
            End If
            rs("ADMIN_PASSWORD") = NewPass.Text     '一致就设置新的管理员密码
            rs.Update
            rs.Close
        End If
        MsgBox "管理员密码成功修改！"
        Unload Me
    Else        '数据库打开失败退出
        MsgBox "数据库错误！", vbExclamation
        DbHandle.DbClose
        End
    End If
End Sub

Private Sub Command2_Click()
    Me.Hide     '返回主窗体
End Sub

Private Sub Form_Load()
    Me.Left = (Screen.Width - Me.ScaleWidth) / 2        '窗体居中显示
    Me.Top = (Screen.Height - Me.ScaleHeight) / 2
End Sub

Private Sub Form_Unload(Cancel As Integer)
    On Error Resume Next        '对话框关闭时候关闭数据库连接
    DbHandle.DbClose
End Sub