保存图片到数据库
adoQuery1.Close;
adoQuery1.SQL.Clear;
adoQuery1.SQL.Add('select * from Photo ');
adoQuery1.SQL.add(' where emp= BBBBBBB''');
adoQuery1.Open;
if not (adoQuery1.Eof) then
adoQuery1.edit
else
begin
adoQuery1.append;
adoQuery1.FieldByName('emp').Value := str;
end;
ms := adoQuery1.CreateBlobStream(adoQuery1.FieldByName('picture'), bmReadWrite);
empPic.Picture.SaveToStream(ms);
(adoQuery1.FieldByName('picture') as TBlobField).LoadFromStream(ms);
adoQuery1.Post;