把图片存入ACCESS数据库ZT发贴时间：2002/06/22 10:49am
： DeD(似水年华) ( ) 信誉：100 2001-4-23 16:03:00 得分:20
'下面的例子使用的ADO
'保存
Private Sub cmdSave_Click()
Dim rs As New ADODB.Recordset
Dim InterID As String
Dim strData As String
Dim fileNo As Integer
Dim LenF As Long
Dim BMPData() As Byte
Dim mFileName As String
'先保存图片
mFileName = "c:\tt.bmp"
SavePicture Picture1.Image, mFileName
fileNo = FreeFile()
'打开文件取出图形数据
Open mFileName For Binary As #fileNo
LenF = LOF(fileNo)
ReDim BMPData(LenF)
Get #fileNo, , BMPData
Close #fileNo
'保存到数据库中
With rs
.ActiveConnection = sConnection
.LockType = adLockOptimistic
.Open "select * from test "
.AddNew
'字段FID为一个 int 型的主键
'字段FData为一个image 型的字段
.Fields("FID") = InterID
.Fields("FData").AppendChunk BMPData
.Update
End With
rs.Close
Set rs = Nothing
End Sub
'得到
Private Sub cmdLoad_Click()
On Error GoTo H_Error
Dim rsData As New ADODB.Recordset
Dim strData As String, strBuffer As String
Dim LenF As Long
Dim BMPData() As Byte
'打开数据库
With rsData
.ActiveConnection = sConnection
.CursorLocation = adUseClient
.Open "select * from test"
'得到数据的长度
LenF = .Fields("FData").ActualSize
ReDim BMPData(LenF)
'得到图形文件的数据
BMPData = .Fields("FData").GetChunk(LenF)
End With
rsData.Close
Set rsData = Nothing
strBuffer = "c:\test.bmp"
If Dir(strBuffer) <> "" Then
Kill strBuffer
End If
Dim fileNo As Integer
fileNo = FreeFile()
Open strBuffer For Binary As #fileNo
Put #fileNo, , BMPData
Close #fileNo
Picture1.Picture = LoadPicture(strBuffer)
Exit Sub
H_Error:
Debug.Assert False
End Sub
