//ListBox1.Items:= searchfile('Z:\');
//注意,path后面要有'\';
function  Searchfile(path:string):TStringList;
var
   SearchRec:TSearchRec;
   found:integer;
begin
   Result:=TStringList.Create; 
   found:=FindFirst(path+'*.*',faAnyFile,SearchRec);
   while found=0 do
     begin
         if (SearchRec.Name<>'.') and(SearchRec.Name<>'..') and (SearchRec.Attr<>faDirectory) then
             Result.Add(SearchRec.Name);
         found:=FindNext(SearchRec);
     end;
   FindClose(SearchRec);
end;

//搜索1个文件下面的文件
// GetDirFiles (ListView1,'Z:\aa\2013-06-23\');
procedure GetDirFiles(ListView:TListView;path: string;fileter:string='*.*');
var
  SearchRec: TSearchRec;
  found: integer;
begin
  ListView.Items.Clear;
  found := FindFirst(path + fileter, faAnyFile, SearchRec);
  while found = 0 do
  begin
    if (SearchRec.Name <> '.') and (SearchRec.Name <> '..') and (SearchRec.Attr <> faDirectory) then
        ListView.Items.Add.Caption:=SearchRec.Name;
    found := FindNext(SearchRec);
  end;
  FindClose(SearchRec);
end;

上面一个只获取当前目录下所有文件,如果要获取该目录下的子目录的文件,看下面