procedure TForm1.Button1Click(Sender: TObject); var Mytextfile:textfile; i:integer; s:string; begin assignfile(Mytextfile,'D:\ssk\³ÌÐòÀý\mytext.txt'); rewrite(mytextfile); try for i:=1 to 5 do begin s:='this is line # '; writeln(mytextfile,s,i); end; finally closefile(mytextfile); end; end; procedure TForm1.Button2Click(Sender: TObject); var Mytextfile:textfile; i:integer; s:string; begin assignfile(Mytextfile,'D:\ssk\³ÌÐòÀý\н¨Îļþ¼Ð\mytext.txt'); append(mytextfile); try for i:=6 to 10 do begin s:='this is line # '; writeln(mytextfile,s,i); end; finally closefile(mytextfile); end; end;procedure TForm1.Button3Click(Sender: TObject); var Mytextfile:textfile; i,j:integer; s:string[15]; begin assignfile(Mytextfile,'D:\ssk\³ÌÐòÀý\н¨Îļþ¼Ð\mytext.txt'); reset(mytextfile); try while not eof(mytextfile) do begin readln(mytextfile,s,j); memo1.lines.Add(s+inttostr(j)); end; finally closefile(mytextfile); end; end;
var
Mytextfile:textfile;
i:integer;
s:string;
begin
assignfile(Mytextfile,'D:\ssk\³ÌÐòÀý\mytext.txt');
rewrite(mytextfile);
try
for
i:=1 to 5 do
begin
s:='this is line # ';
writeln(mytextfile,s,i);
end;
finally
closefile(mytextfile);
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
var
Mytextfile:textfile;
i:integer;
s:string;
begin
assignfile(Mytextfile,'D:\ssk\³ÌÐòÀý\н¨Îļþ¼Ð\mytext.txt');
append(mytextfile);
try
for
i:=6 to 10 do
begin
s:='this is line # ';
writeln(mytextfile,s,i);
end;
finally
closefile(mytextfile);
end;
end;procedure TForm1.Button3Click(Sender: TObject);
var
Mytextfile:textfile;
i,j:integer;
s:string[15];
begin
assignfile(Mytextfile,'D:\ssk\³ÌÐòÀý\н¨Îļþ¼Ð\mytext.txt');
reset(mytextfile);
try
while not eof(mytextfile) do
begin
readln(mytextfile,s,j);
memo1.lines.Add(s+inttostr(j));
end;
finally
closefile(mytextfile);
end;
end;
Button1 是新建并写
Button2 是打开并写
Button3 是读
时间
edit.text:=now
http://search.csdn.net/Expert/topic/716/716086.xml?temp=.6919214