SQLServer没耍过,前些日子写了一个Access的供参考 Dim ADOCon As New ADODB.Connection 'ADODB Connection对象 Dim ADORst As New ADODB.Recordset 'ADODB Recordset 对象 Dim ADOFld As ADODB.Field 'ADODB Field 对象 Dim Constr As String 'ODBC路径 Const BLOCKSIZE = 4096 '每次读写块的大小 Sub 上传图片() Constr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & ThisWorkbook.Path & "\test.mdbersist Security Info=False" ADOCon.Open Constr '创建一个连接 ADOCon.CursorLocation = adUseClient Dim strRecs As String strRecs = "Select * from AA" ADORst.Open strRecs, ADOCon, 3, 3 'Set AdoCtr.Recordset = ADORst ADORst.AddNew '新增纪录 ADORst("ID").Value = 3 '给动态集的第一个字段赋值 ADORst("Name").Value = "amulee" '给动态集的第二个字段赋值 Set ADOFld = ADORst("Pic") '给ADODB.Field对象赋值 Call SaveToDB(ADOFld, ThisWorkbook.Path & "\AA.JPG") 'PicFilePath为图片的硬盘存储路径 '调用子程序,给第三个字段(image)赋值 ADORst.Update ADOCon.Close End Sub Private Sub SaveToDB(ByRef Fld As ADODB.Field, DiskFile As String) Dim byteData() As Byte '定义数据块数组 Dim NumBlocks As Long '定义数据块个数 Dim FileLength As Long '标识文件长度 Dim LeftOver As Long '定义剩余字节长度 Dim SourceFile As Long '定义自由文件号 Dim i As Long '定义循环变量 SourceFile = FreeFile '提供一个尚未使用的文件号 Open DiskFile For Binary Access Read As SourceFile '打开文件 FileLength = LOF(SourceFile) '得到文件长度 If FileLength = 0 Then '判断文件是否存在 Close SourceFile MsgBox DiskFile & " 无 内 容 或 不 存 在 !" Else NumBlocks = FileLength \ BLOCKSIZE '得到数据块的个数 LeftOver = FileLength Mod BLOCKSIZE '得到剩余字节数 Fld.Value = Null ReDim byteData(BLOCKSIZE) '重新定义数据块的大小 For i = 1 To NumBlocks Get SourceFile, , byteData ' 读到内存块中 Fld.AppendChunk byteData '写入FLD Next i ReDim byteData(LeftOver) '重新定义数据块的大小 Get SourceFile, , byteData '读到内存块中 Fld.AppendChunk byteData '写入FLD Close SourceFile '关闭源文件 End If End Sub Sub 读取图片() Dim Chunk() As Byte Constr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & ThisWorkbook.Path & "\test.mdbersist Security Info=False" ADOCon.Open Constr '创建一个连接 ADOCon.CursorLocation = adUseClient Dim strRecs As String Dim FName As String Dim Datafile As Integer strRecs = "Select * from AA Where ID=2" ADORst.Open strRecs, ADOCon, 3, 3 Chunk = ADORst.Fields("Pic").GetChunk(ADORst.Fields("Pic").ActualSize) ADOCon.Close FName = ThisWorkbook.Path & "\Ab" Datafile = FreeFile Open FName For Binary Access Write As Datafile Put Datafile, , Chunk() Close Datafile ActiveSheet.Pictures.Insert FName Kill FName End Sub |