我想把图片保存成bmp格式:
var
bmp: TBitmap;
begin
bmp:= TBitmap.Create;
bmp.LoadFromFile('d:\示功图.bmp');
with query3 do
begin
close;
sql.Clear;
sql.Add('insert into dbo.power_graphic (well_number,time_value,order_value,graphic)
values (:h1,:h2,:h3,:h4)');
parambyname('h1').AsInteger:= 5;
parambyname('h2').AsDateTime:= strtodatetime('2004-7-19 12:00:00');
parambyname('h3').AsInteger:= 10;
parambyname('h4').Assign(bmp);
ExecSQL;
end;
bmp.Free;
运行后,用DBimage显示,图片上出现一片黑色,只有底部一部分图像正常,请问高手这是什么原因?另外,是不是DBiamge,QRDBimage只能显示bmp图像?
var
bmp: TBitmap;
begin
bmp:= TBitmap.Create;
bmp.LoadFromFile('d:\示功图.bmp');
with query3 do
begin
close;
sql.Clear;
sql.Add('insert into dbo.power_graphic (well_number,time_value,order_value,graphic)
values (:h1,:h2,:h3,:h4)');
parambyname('h1').AsInteger:= 5;
parambyname('h2').AsDateTime:= strtodatetime('2004-7-19 12:00:00');
parambyname('h3').AsInteger:= 10;
parambyname('h4').Assign(bmp);
ExecSQL;
end;
bmp.Free;
运行后,用DBimage显示,图片上出现一片黑色,只有底部一部分图像正常,请问高手这是什么原因?另外,是不是DBiamge,QRDBimage只能显示bmp图像?
jpg/jpeg: 用blob字段,
bmpstream:Tmemorystream;
bmpstream:=Tmemorystream.create;
bmpstream.assageaa(form1.image1.picture.bitmap);
bmpstream.position:=0;
form1.adoquery1.close;
form1.adoquery1.sql.clear;
form1.adoquery1.sql.add('insert into customertalbe values(:p1,:p2)');
form1.adoquery1.parameters.parambyname('p1').value:=trim(form1.edit1.text);
form1.ADOQuery1.Parameters.ParamByName('p2').LoadFromStream(form1.bmpstream,ftBlob);
try
form1.adoquery1.execsql;
except
end;
我用BDE怎么有错误?!
TBlobField(query1.FieldbyName('bmpfile')).LoadFromStream(ms)