var F1, F2: TextFile; str: string; begin if OpenDialog1.Execute then begin AssignFile(F1, OpenDialog1.FileName); Reset(F1); Readln(F1,str); Memo1.Lines.Text := str; CloseFile(F1); end;
procedure TForm1.Button1Click(Sender: TObject); begin if opendialog1.Execute then begin str := tstringlist.Create; str.LoadFromFile(opendialog1.FileName); memo1.Lines.Add(str.Strings[0]); str.Free; end; end;
F1, F2: TextFile;
str: string;
begin
if OpenDialog1.Execute then begin
AssignFile(F1, OpenDialog1.FileName);
Reset(F1); Readln(F1,str);
Memo1.Lines.Text := str;
CloseFile(F1);
end;
begin
if opendialog1.Execute then
begin
str := tstringlist.Create;
str.LoadFromFile(opendialog1.FileName);
memo1.Lines.Add(str.Strings[0]);
str.Free;
end;
end;
如果显示任意一行, 用gaodu2002(旖旎) 的
var
str: tstrings;
想读第几行
就执行几次readln就可以了