frmdatarestore.frm

本人用VB 6.0和ACCESS编写的水费管理系统

VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form frmDataRestore 
   Caption         =   "数据恢复"
   ClientHeight    =   3285
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5850
   Icon            =   "frmDataRestore.frx":0000
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3285
   ScaleWidth      =   5850
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "取消(&C)"
      Height          =   375
      Left            =   3461
      TabIndex        =   7
      Top             =   2640
      Width           =   975
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定(&E)"
      Default         =   -1  'True
      Height          =   375
      Left            =   1414
      TabIndex        =   6
      Top             =   2640
      Width           =   975
   End
   Begin MSComctlLib.ProgressBar ProgressBar1 
      Height          =   375
      Left            =   818
      TabIndex        =   5
      Top             =   1920
      Visible         =   0   'False
      Width           =   4215
      _ExtentX        =   7435
      _ExtentY        =   661
      _Version        =   393216
      Appearance      =   1
   End
   Begin VB.Frame Frame1 
      Height          =   1335
      Left            =   758
      TabIndex        =   0
      Top             =   240
      Width           =   4335
      Begin VB.CheckBox chkRestoreData 
         Caption         =   "恢复数据库"
         Height          =   255
         Left            =   2520
         TabIndex        =   4
         Top             =   840
         Value           =   1  'Checked
         Width           =   1215
      End
      Begin VB.CheckBox chkRestoreSystem 
         Caption         =   "恢复系统库"
         Height          =   255
         Left            =   2520
         TabIndex        =   3
         Top             =   360
         Value           =   1  'Checked
         Width           =   1215
      End
      Begin VB.OptionButton optRestoreHard 
         Caption         =   "从硬盘恢复"
         Height          =   255
         Left            =   600
         TabIndex        =   2
         Top             =   840
         Width           =   1215
      End
      Begin VB.OptionButton optRestoreFloppy 
         Caption         =   "从软盘恢复"
         Height          =   255
         Left            =   600
         TabIndex        =   1
         Top             =   360
         Value           =   -1  'True
         Width           =   1215
      End
   End
End
Attribute VB_Name = "frmDataRestore"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim fso As New FileSystemObject
Dim drv As Drive

Private Sub cmdCancel_Click()
    Unload Me
End Sub

Private Sub cmdOK_Click()
    Dim strAppName As String, strOldName As String, i As Integer
    If optRestoreFloppy.Value = True Then    '从软盘恢复
        Set drv = fso.GetDrive("A:")
        If Not drv.IsReady Then
            MsgBox "驱动器没有准备好!", vbCritical + vbOKOnly, "数据恢复"
            Exit Sub
        End If
        If Not fso.FolderExists("A:\Backup") Then
            MsgBox "备份文件夹不存在!", vbCritical + vbOKOnly, "数据恢复"
            Exit Sub
        End If
        If chkRestoreSystem.Value = Checked Then     '恢复系统库
            strAppName = App.Path & "\权限表.mdb"
            strOldName = "A:\Backup\权限表.mdb"
            RestoreFileAll strOldName, strAppName
            strAppName = App.Path & "\用户档案.mdb"
            strOldName = "A:\Backup\用户档案.mdb"
            RestoreFileAll strOldName, strAppName
            strAppName = App.Path & "\水费标准库.mdb"
            strOldName = "A:\Backup\水费标准库.mdb"
            RestoreFileAll strOldName, strAppName
        End If
        If chkRestoreData.Value = Checked Then       '恢复数据库
            strAppName = App.Path & "\Main" & Year(Now) & Month(Now) & ".mdb"
            strOldName = "A:\Backup\Main" & Year(Now) & Month(Now) & ".mdb"
            RestoreFileAll strOldName, strAppName
        End If
        '设置进度条
        ProgressBar1.Visible = True
        ProgressBar1.Min = 1: ProgressBar1.Max = 100
        For i = 1 To 100
            ProgressBar1.Value = i
        Next
        ProgressBar1.Visible = False
    ElseIf optRestoreHard.Value = True Then      '从硬盘恢复
        If Not fso.FolderExists(App.Path & "\Backup") Then
            MsgBox "备份文件夹不存在!", vbCritical + vbOKOnly, "数据恢复"
            Exit Sub
        End If
        If chkRestoreSystem.Value = Checked Then '恢复系统库
            strAppName = App.Path & "\权限表.mdb"
            strOldName = App.Path & "\Backup\权限表.mdb"
            RestoreFileAll strOldName, strAppName
            strAppName = App.Path & "\用户档案.mdb"
            strOldName = App.Path & "\Backup\用户档案.mdb"
            RestoreFileAll strOldName, strAppName
            strAppName = App.Path & "\水费标准库.mdb"
            strOldName = App.Path & "\Backup\水费标准库.mdb"
            RestoreFileAll strOldName, strAppName
        End If
        If chkRestoreData.Value = Checked Then   '恢复数据库
            strAppName = App.Path & "\Main" & Year(Now) & Month(Now) & ".mdb"
            strOldName = App.Path & "\Backup\Main" & Year(Now) & Month(Now) & ".mdb"
            RestoreFileAll strOldName, strAppName
        End If
        '设置进度条
        ProgressBar1.Visible = True
        ProgressBar1.Min = 1: ProgressBar1.Max = 100
        For i = 1 To 100
            ProgressBar1.Value = i
        Next
        ProgressBar1.Visible = False
    End If
    MsgBox "恢复完毕!", vbInformation + vbOKOnly, "数据恢复"
    Unload Me
End Sub

Private Sub RestoreFileAll(strOldName As String, strAppName As String)
    If Not fso.FileExists(strOldName) Then
        MsgBox strOldName & "不存在!", vbCritical + vbOKOnly, "数据恢复"
        Exit Sub
    End If
    fso.CopyFile strOldName, strAppName
End Sub