form1.frm

用VB开发的一些数据库的例子

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "压缩数据库文件"
   ClientHeight    =   2055
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4470
   LinkTopic       =   "Form1"
   ScaleHeight     =   2055
   ScaleWidth      =   4470
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command3 
      Caption         =   "退出"
      Height          =   495
      Left            =   3000
      TabIndex        =   4
      Top             =   1335
      Width           =   1320
   End
   Begin VB.CheckBox Check1 
      Appearance      =   0  'Flat
      BackColor       =   &H80000004&
      Caption         =   "压缩前请备份数据库"
      ForeColor       =   &H80000008&
      Height          =   300
      Left            =   120
      TabIndex        =   3
      Top             =   945
      Value           =   1  'Checked
      Width           =   1935
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   120
      TabIndex        =   1
      Text            =   "Text1"
      Top             =   480
      Width           =   4140
   End
   Begin VB.CommandButton Command1 
      Caption         =   "开始压缩"
      Height          =   525
      Left            =   360
      Style           =   1  'Graphical
      TabIndex        =   0
      Top             =   1350
      Width           =   2595
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "要修复的数据库"
      Height          =   180
      Left            =   135
      TabIndex        =   2
      Top             =   150
      Width           =   1260
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Load()
  Text1.Text = App.Path & "\db1.mdb"
End Sub
Private Sub Command1_Click()
  On Error Resume Next
  Dim sNewName As String
  Dim sBakFile As String
  sNewName = Text1.Text
  sDatabase = sNewName
  MousePointer = 11
  sNewFile = Left$(sDatabase, Len(sDatabase) - 3) & "NEW"
  sBakFile = Left$(sDatabase, Len(sDatabase) - 3) & "BAK"
  If Check1.Value = 1 Then
     Name sDatabase As sBakFile         '备份数据库
  End If
  DBEngine.RepairDatabase sDatabase         '修复数据库
  If Dir(sNewFile) <> "" Then
     Kill sNewFile
  End If
  DBEngine.CompactDatabase sDatabase, sNewFile '压缩数据库
  If Dir(sBakFile) <> "" Then
     Kill sBakFile
  End If
  If Dir(sDatabase) <> "" Then
     Kill sDatabase
  End If
  Name sNewFile As sDatabase
  bCompactMDB = True
  MousePointer = 0
  MousePointer = 0
  MsgBox "压缩数据库完成"
End Sub
Private Sub Command3_Click()
  End
End Sub