VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "Mscomctl.ocx"
Begin VB.Form frmreloaddata 
   Caption         =   "正在恢復(fù)數(shù)據(jù)，請稍等..."
   ClientHeight    =   2700
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4635
   LinkTopic       =   "Form1"
   ScaleHeight     =   2700
   ScaleWidth      =   4635
   StartUpPosition =   2  '屏幕中心
   Begin VB.Frame Frame1 
      Height          =   2745
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   4695
      Begin VB.CommandButton Command4 
         Caption         =   "..."
         BeginProperty Font 
            Name            =   "宋體"
            Size            =   7.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   345
         Left            =   3930
         TabIndex        =   5
         Top             =   1020
         Width           =   375
      End
      Begin VB.TextBox txtpathText 
         Height          =   324
         Left            =   210
         TabIndex        =   4
         Top             =   1020
         Width           =   3705
      End
      Begin VB.CommandButton Command1 
         Caption         =   "開始恢復(fù)數(shù)據(jù)"
         Default         =   -1  'True
         Height          =   405
         Left            =   510
         TabIndex        =   2
         Top             =   2160
         Width           =   1395
      End
      Begin VB.CommandButton Command2 
         Cancel          =   -1  'True
         Caption         =   "取消恢復(fù)數(shù)據(jù)"
         Height          =   405
         Left            =   2580
         TabIndex        =   1
         Top             =   2160
         Width           =   1395
      End
      Begin MSComctlLib.ProgressBar MyBar 
         Height          =   285
         Left            =   210
         TabIndex        =   3
         Top             =   1680
         Width           =   4125
         _ExtentX        =   7276
         _ExtentY        =   503
         _Version        =   393216
         Appearance      =   1
      End
      Begin VB.Label lblShowInfo 
         Height          =   255
         Left            =   210
         TabIndex        =   8
         Top             =   1470
         Width           =   4035
      End
      Begin VB.Label Label3 
         Caption         =   "請輸入備份數(shù)據(jù)表所在的目錄："
         Height          =   330
         Left            =   210
         TabIndex        =   7
         Top             =   750
         Width           =   3030
      End
      Begin VB.Label Label2 
         Caption         =   "注意：數(shù)據(jù)恢復(fù)將刪除現(xiàn)存的數(shù)據(jù)，而將以前備份到硬盤的數(shù)據(jù)恢復(fù)到如今庫中！"
         ForeColor       =   &H8000000D&
         Height          =   435
         Left            =   240
         TabIndex        =   6
         Top             =   270
         Width           =   4095
      End
   End
End
Attribute VB_Name = "frmreloaddata"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub Command1_Click()
    m_iBeginSaveTimer = 0
    Dim respond As Integer
    respond = MsgBox("恢復(fù)數(shù)據(jù)將改寫全部數(shù)據(jù)庫現(xiàn)有數(shù)據(jù)，是否繼續(xù)？", 64 + 4, "是否確認")
    If respond = 7 Then
        Exit Sub
    End If
    If (Len(Trim(txtpathText.Text)) = 0) Then
        Result = MsgBox("請指定所要備份數(shù)據(jù)的路徑!", vbOKOnly, "數(shù)據(jù)備份")
        Exit Sub
    Else
        If (Right(Trim(txtpathText.Text), 1) <> "\") Then
            txtpathText.Text = Trim(txtpathText.Text) + "\"
        Else
            txtpathText.Text = Trim(txtpathText.Text)
        End If
        If (Dir(txtpathText.Text, vbDirectory) = "") Then
            Result = MsgBox("指定路徑不存在!", vbOKOnly, "數(shù)據(jù)備份")
            Exit Sub
        End If
        
    End If
    
    On Error GoTo ErrorHand
    '連接數(shù)據(jù)庫
    
    Dim strFileName As String
    Dim strTableName As String
    Dim sqlname As String
    Dim rsColumnName As New ADODB.Recordset
    Dim rs As New ADODB.Recordset
    Dim rsData As New ADODB.Recordset
    
    strFileName = Dir(Trim(txtpathText.Text) + "*.dat")
    If strFileName = "" Then
        MsgBox "該處不包含所要恢復(fù)數(shù)據(jù)的備份文件！", 64, "數(shù)據(jù)恢復(fù)"
        MousePointer = 1
        Exit Sub
    End If
    Dim nreccount As Long
    Dim bOK As Boolean
    '開始一個事務(wù)
    cnnJLDB.BeginTrans
    Do While strFileName <> ""
        If strFileName <> "dtproperties.dat" Then
            bOK = False
            strTableName = Left(strFileName, Len(strFileName) - 4)
            '先刪除該表的數(shù)據(jù)
            sqlname = "truncate Table " + Trim(strTableName)
            cnnJLDB.Execute sqlname
            '然后開始備份
            sqlname = "select * from sysobjects Where type = 'u' and name ='" + strTableName + "'"
            
            rs.Open sqlname, cnnJLDB, adOpenStatic, adLockReadOnly
            If Not rs.EOF Then
                bOK = True
            End If
            rs.Close
            If bOK = True Then
                MousePointer = 11
                '---------------------------------------------------------------------------
                '根據(jù)表名確定各個域名及域類型
                sqlname = "select xtype,length,name from syscolumns where id in (select id from sysobjects where name = '" + strTableName + "')"
                rsColumnName.Open sqlname, cnnJLDB, adOpenStatic, adLockReadOnly
                nreccount = 0
                If Not rsColumnName.EOF Then
                    rsColumnName.MoveLast
                    nreccount = rsColumnName.RecordCount
                    rsColumnName.MoveFirst
                End If
                rsColumnName.Close
                '將指定文件數(shù)據(jù)恢復(fù)到數(shù)據(jù)庫中
                sqlname = "select * from " + Trim(strTableName)
                rsData.Open sqlname, cnnJLDB, adOpenKeyset, adLockOptimistic
                lblShowInfo.Caption = "正在恢復(fù)" + strTableName + "表中的數(shù)據(jù)..."
                lblShowInfo.Refresh
                Open Trim(txtpathText.Text) + strFileName For Binary As #1
                Dim lRecordNum As Long
                Dim n As Long
                Get #1, , lRecordNum
                If lRecordNum < 10000 Then
                    MyBar.Max = lRecordNum + 1
                Else
                    MyBar.Max = lRecordNum \ 100
                End If
                MyBar.Value = 0
                If (lRecordNum > 0) Then
                    For n = 1 To lRecordNum
                        rsData.AddNew
                        For nStep = 0 To nreccount - 1
                            Get #1, , fieldData
                            rsData(nStep) = fieldData
                        Next nStep
                        rsData.Update
                        m_iBeginSaveTimer = 0
                        If lRecordNum < 10000 Then
                            MyBar.Value = MyBar.Value + 1
                        Else
                            If n Mod 100 = 1 Then
                                MyBar.Value = MyBar.Value + 1
                            End If
                        End If
                    Next n
                    Close #1
                Else
                    Close #1
                End If
                rsData.Close
            End If
        End If
        '---------------------------------------------------------------------------
        strFileName = Dir
    Loop
    lblShowInfo.Caption = "數(shù)據(jù)恢復(fù)完畢！"
    lblShowInfo.Refresh
    MousePointer = 1
    cnnJLDB.CommitTrans
    MsgBox "數(shù)據(jù)恢復(fù)完畢!", , "信息提示"
    Unload Me
    Exit Sub
ErrorHand:
    cnnJLDB.RollbackTrans
    MousePointer = 1
    MsgBox "數(shù)據(jù)恢復(fù)失敗，請聯(lián)系開發(fā)人員！", 64, "數(shù)據(jù)恢復(fù)"

End Sub

Private Sub Command2_Click()
    SaveSetting App.Title, "Settings", "StoreDirection", Trim(txtpathText.Text)
    Unload Me
End Sub

Private Sub Command4_Click()
    frmopendir.Show 1
    txtpathText.Text = frmopendir.strSelDir
End Sub

Private Sub Form_Load()
    m_iBeginSaveTimer = 0
    m_bHaveDone = False
    txtpathText.Text = GetSetting(App.Title, "Settings", "StoreDirection", "d:\temp")

End Sub

Private Sub Form_Unload(Cancel As Integer)
    m_iBeginSaveTimer = 0

End Sub