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Delphi½«Í¼Æ¬±£´æÖÁSql ServerÖеÄСÎÊÌ⣿

ÔõôÏÞÖÆ±£´æÍ¼Æ¬µÄ´óÐ¡ÄØ£¿±ÈÈç˵³¬¹ý500KµÄͼƬ¾Í²»ÔÊÐíÌá½»¡£·ñÔòÊý¾Ý¿âÌ«´óÁË£¬¶ÁȡҲÂý¡£±£´æÍ¼Æ¬´úÂëÈçÏ£¬Ôõô¸Äһϣ¿£º
//±£´æÍ¼Æ¬
procedure TForm1.btn1Click(Sender: TObject);
begin
  if dlgOpen1.Execute then
    img1.Picture.LoadfromFile(dlgOpen1.FileName);
  qry1.Append;
  qry1.Post;
end;
//Ìáǰ֮ǰ½«Í¼Æ¬×ª»»ÎªÊý¾ÝÁ÷
procedure TForm1.qry1BeforePost(DataSet: TDataSet);
var
  ms: TMemoryStream;
  jpg: TJpegImage;
begin
  ms := TMemoryStream.Create;
  jpg := TJpegImage.Create;
  try
    if img1.Picture.Graphic <>nil then
      begin
        try
          img1.Picture.Graphic.SaveToStream(ms);
        finally
          TBlobField(qry1.FieldByName('pic')).LoadfromStream(ms);
        end;
      end;
  finally
    jpg.Free;
    ms.Free;
  end;
end;
if ms.Size > 500k then
  µ¯Ò»¸öÌáʾ¿ò

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Delphi(Pascal) code:

procedure TForm1.qry1BeforePost(DataSet: TDataSet);
var
ms: TMe


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