function EmptyDirectory(TheDirectory :String ; Recursive : Boolean) : Boolean; var SearchRec : TSearchRec; Res : Integer; begin Result := False; TheDirectory := NormalDir(TheDirectory); Res := FindFirst(TheDirectory + '*.*', faAnyFile, SearchRec); try while Res = 0 do begin if (SearchRec.Name <> '.') and (SearchRec.Name <> '..') then begin if ((SearchRec.Attr and faDirectory) > 0) and Recursive then begin EmptyDirectory(TheDirectory + SearchRec.Name, True); RemoveDirectory(PChar(TheDirectory + SearchRec.Name)); end else begin DeleteFile(PChar(TheDirectory + SearchRec.Name)) end; end; Res := FindNext(SearchRec); end; Result := True; finally FindClose(SearchRec.FindHandle); end; end;
Chdir('c:\abcdir');转到目录
Mkdir('dirname');建立目录
Rmdir('dirname');删除目录
GetCurrentDir;//取当前目录名,无'\'
Getdir(0,s);//取工作目录名s:='c:\abcdir';
Deletfile('abc.txt');//删除文件
Renamefile('old.txt','new.txt');//文件更名
ExtractFilename(filelistbox1.filename);//取文件名
ExtractFileExt(filelistbox1.filename);//取文件后缀
清除文件。恩~~DOS状态下
format或是fdisk。哈哈哈。
Boolean;
var
SearchRec : TSearchRec;
Res : Integer;
begin
Result := False;
TheDirectory := NormalDir(TheDirectory);
Res := FindFirst(TheDirectory + '*.*', faAnyFile, SearchRec);
try
while Res = 0 do
begin
if (SearchRec.Name <> '.') and (SearchRec.Name <> '..') then
begin
if ((SearchRec.Attr and faDirectory) > 0) and Recursive
then begin
EmptyDirectory(TheDirectory + SearchRec.Name, True);
RemoveDirectory(PChar(TheDirectory + SearchRec.Name));
end
else begin
DeleteFile(PChar(TheDirectory + SearchRec.Name))
end;
end;
Res := FindNext(SearchRec);
end;
Result := True;
finally
FindClose(SearchRec.FindHandle);
end;
end;