如何在程序中保存、读取ACCESS数据库中gif图片？

[pegdw]

如何将gif图片在程序中保存在ACCESS数据库中？
数据库中的数据类型为OLE对象！

[txlicenhe]

http://support.microsoft.com/default.aspx?scid=kb;EN-US;258038

'****************************************************************
Sub GetPicFromDB(cn As ADODB.Connection)
On Error Resume Next
Dim fld As Field
Dim strTemp As String
Dim stm As ADODB.Stream
Set stm = New ADODB.Stream
'strTemp = "c:\temp.bmp"
Set rs1 = New ADODB.Recordset
rs1.Open "select * from rs_http where htbh='" & frm_manage.Grid2.TextMatrix(frm_manage.Grid2.RowSel, 0) & "'", cn, , , adCmdText
While Not rs1.EOF
'*********将数据库中的文件读到硬盘上*************************
' strTemp = App.Path + "\temp\" + rs1!Name '`临时文件,用来保存读出的图片

With stm
.Type = adTypeBinary
.Open
.Write rs1("tp").value
strTemp = App.Path & "\temp1\" & rs1!Name
.SaveToFile strTemp, adSaveCreateOverWrite
.Close
End With
Set itemX = lvwPic.ListItems.add(, App.Path & "\temp1\" & rs1!Name, rs1!Name, 1, 1)
itemX.SubItems(1) = rs1!bz
rs1.MoveNext
Wend
Set stm = Nothing
rs1.Close
Set rs1 = Nothing
End Sub



'******************将图片文件保存到数据库中*************************
Sub SavePicToDb(cn As ADODB.Connection, table1 As String, field1 As String, file1 As String, id1 As String)
On Error Resume Next
Dim stm As ADODB.Stream
Set stm = New ADODB.Stream
Set rs1 = New ADODB.Recordset
rs1.Open "select * from " & table1 & " where id = " & id1, cn, adOpenKeyset, adLockOptimistic
With stm
.Type = adTypeBinary
.Open
.LoadFromFile file1 'DLG.FileName
End With
With rs1
.Fields(field1) = stm.Read
.Update
End With
rs1.Close
Set rs1 = Nothing
End Sub

[lihonggen0]

将图片写入数据库并显示
http://www.dapha.net/down/list.asp?id=1826

[hemeijun81]

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