你好象没有清空s,应该:while not Table1.Eof do begin
S:=''; // <---------加上这句。
S := S + Table1.FieldByName('序号').AsString +',';
S:=''; // <---------加上这句。
S := S + Table1.FieldByName('序号').AsString +',';
var
S: string;
F : TextFile;
begin
Screen.Cursor := crHourGlass;
Button2.Enabled := False; AssignFile(F, 'pq.txt');
{$I-}
Rewrite(F);
{$I+} try
Table1.Open;
while not Table1.Eof do begin
S := '';
S := S + Table1.FieldByName('序号').AsString +',';
S := S + Table1.FieldByName('所号').AsString +',';
S := S + Table1.FieldByName('票号').AsString +',';
S := S + Table1.FieldByName('消费金额').AsString +',';
S := S + Table1.FieldByName('消费日期').AsString +',';
WriteIn(F,S); //<------写 Table1.Next;
end;
finally
Screen.Cursor := crDefault;
Button2.Enabled := True;
end;
closefile(F);end;