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Delphi ´´½¨Ä¿Â¼¼°Ð´ÈÕÖ¾Îļþ
var
TF: TextFile;
LogFile: string;
txt :string;
sysDir:string;
//´´½¨°´Å¥
procedure TForm1.Button1Click(Sender: TObject);
begin
sysDir:=extractfilepath(application.ExeName );
if not directoryexists(sysdir+'log\') then
createdir(sysdir+'log\');
logfile:=sysdir+'log\'+formatdatetime('yyyymmdd',now)+'.txt';
end;
//дÈÕÖ¾°´Å¥
procedure TForm1.Button2Click(Sender: TObject);
begin
//assignfile(logfile,'log.txt');
AssignFile(tf,logfile);
if fileexists(logfile) then
append(tf)
else
rewrite(tf);
writeln(tf,'123');
closefile(tf);
end;
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var
arrChar : array [0..4] of Char;
b : Byte;
s : string;
begin
s := 'Test';
Move(Pointer(s)^, arrChar, Length(s)); //string to array of char
ShowMessage(arrChar);
b := Ord(s[1]); //First byte string to one single byte
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function Format(const Format: string; const Args: array of const):
string;
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