const
LeftBlank=1; //¶¨ÒåÒ³±ß¾à£¬µ¥Î»ÀåÃ×
RightBlank=1;
TopBlank=1;
BottomBlank=1;
var
PointX,PointY:integer;
PointScale,PrintStep:integer;
s:string;
x,y:integer;
i:integer;
begin //»ñÈ¡µ±Ç°´òÓ¡»úµÄ·Ö±æÂÊ
PointX:=Trunc(GetDeviceCaps(Printer.Handle,LOGPIXELSX)/2.54);
PointY:=Trunc(GetDeviceCaps(Printer.Handle,LOGPIXELSY)/2.54);
//¸ù¾Ý´òÓ¡»úºÍÆÁÄ»µÄ·Ö±æÂʼÆËã³ö´ÓÆÁĻת»»µ½´òÓ¡»úµÄ±ÈÀý¡¡
PointScale:=Trunc(GetDeviceCaps(Printer.Handle,LOGPIXELSX)/Screen.PixelsPerInch+0.5);
printer.Orientation:=poLandscape; //ºáÏò´òÓ¡
//´òÓ¡µÄ×ÖÌåºÍ´óС
printer.Canvas.Font.Name:='ËÎÌå';
printer.canvas.Font.Size:=10;
//¸ù¾Ý×ÖÌåµÄ´óСȷ¶¨Ã¿Ðеĸ߶È
s:='华一软业';
PrintStep:=printer.canvas.TextHeight(s)+16;
//´òÓ¡µÄÆðµãλÖÃ
x:=PointX*LeftBlank;
y:=PointY*TopBlank;
//DataSource1ÊÇDBGrid1ËùÁ¬½ÓµÄÊý¾ÝÔ´
if ((DataSource1.DataSet).Active=true) and ((DataSource1.DataSet).RecordCount>0) then
begin
printer.BeginDoc;
DataSource1.DataSet.First;
while not (DataSource1.DataSet).Eof do
begin //´òÓ¡DBGridÖеÄËùÓÐÁÐ
for i:=0 to DBGrid2.FieldCount-1 do
begin //¼ÙÈçËùÒª´òÓ¡µÄÁг¬³öÁË´òÓ¡·¶Î§£¬ÔòºöÂÔ¸ÃÁÐ
if(x+DBGrid2.Columns.Items[i].Width*PointScale)<=(Printer.PageWidth-PointX*RightBlank) then
begin //»±í¸ñÏß
//ÿҳµÄµÚÒ»ÐдòÓ¡±íÍ·
Printer.Canvas.Rectangle(x,y,x+DBGrid2.Columns.Items[i].Width*PointScale,y+PrintStep);
if y=PointY*TopBlank then
Printer.Canvas.TextOut(x+8,y+8,DBGrid2.Columns[i].Title.Caption)
else
Printer.Canvas.TextOut(x+8,y+8,DBGrid2.Fields[i].asString);
end; //¼ÆËãÏÂÒ»Áеĺá×ø±ê
x:=x+DBGrid2.Columns.Items[i].Width*PointScale;
end;
if not (y=PointY*TopBlank) then
DataSource1.DataSet.next;
x:=PointX*LeftBlank;
y:=y+PrintStep; //»»Ò³
if (y+PrintStep)>(Printer.PageHeight-PointY*BottomBlank) then
begin
Printer.NewPage;
y:=PointY*TopBlank;
end;
end;
printer.EndDoc;
DataSource1.DataSet.First;
Application.MessageBox('´òÓ¡Íê³É£¡','XDL¼Òô¹ÜÀíϵͳ',48);
end;
end;