wirteln()写一行记录到文本 procedure Tfrm_rtu_nwkmain.saverclog(username,content : string); //保存日志 var s : string; f : textfile; begin s:='sdfdsfdddddddddddd'; assignfile(f,ExtractFileDir(application.ExeName)+'\dfdf.txt'); Append(f); Writeln(f,s); CloseFile(f); end ;procedure TForm2.Edit1KeyPress(Sender: TObject; var Key: Char); begin if not (key in ['0'..'9']) then key:=char(0); end;
procedure Tfrm_rtu_nwkmain.saverclog(username,content : string); var s : string; f : textfile; begin assignfile(f,ExtractFileDir(application.ExeName)+'\dfdf.txt'); Rewrite(f); s:='你要写的内容'; Writeln(f,s); CloseFile(f); end ;procedure TForm2.Edit1KeyPress(Sender: TObject; var Key: Char); begin if not (key in ['0'..'9']) then begin key := #0; showmessage('你输入的键值不是数字'); end; end;
procedure Tfrm_rtu_nwkmain.saverclog(username,content : string); //保存日志
var
s : string;
f : textfile;
begin
s:='sdfdsfdddddddddddd';
assignfile(f,ExtractFileDir(application.ExeName)+'\dfdf.txt');
Append(f);
Writeln(f,s);
CloseFile(f);
end ;procedure TForm2.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if not (key in ['0'..'9']) then
key:=char(0);
end;
s : string;
f : textfile;
begin
assignfile(f,ExtractFileDir(application.ExeName)+'\dfdf.txt');
Rewrite(f);
s:='你要写的内容';
Writeln(f,s);
CloseFile(f);
end ;procedure TForm2.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if not (key in ['0'..'9']) then
begin
key := #0;
showmessage('你输入的键值不是数字');
end;
end;