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两个delphi下遍历指定目录下指定类型文件的函数
作者:武汉SEO闵涛  文章来源:敏韬网  点击数551  更新时间:2009/4/23 18:30:22  文章录入:mintao  责任编辑:mintao

by meiqingsong(阿飛)

// ================================================================
// 遍历某个文件夹下某种文件,
// 使用说明
//       _GetFileList(ListBox1.Items,''''c:\*.doc'''');
//           _GetFileList(MyTStringList,''''c:\*.exe'''');
// ================================================================
procedure TForm1._GetFileList(AStrings: TStrings ; ASourFile: string);
var sour_path,sour_file: string;
    TmpList:TStringList;
    FileRec:TSearchrec;
begin

   sour_path:=ExtractFilePath(ASourFile);
   sour_file:=ExtractFileName(ASourFile);

   if not DirectoryExists(sour_path) then
   begin
     AStrings.Clear;
     exit;
   end;

   TmpList:=TStringList.Create;
   TmpList.Clear;

   if FindFirst(sour_path+sour_file,faAnyfile,FileRec) = 0 then
   repeat
      if ((FileRec.Attr and faDirectory) = 0) then
         begin
           TmpList.Add(sour_path+FileRec.Name)
         end;
   until FindNext(FileRec)<>0;

   SysUtils.FindClose(FileRec);

   AStrings.Assign(TmpList);

   TmpList.Free;
end;

// ================================================================
// 遍历某个文件夹及子文件夹下某种文件,
// 使用说明
//       _GetFileList(ListBox1.Items, ''''c:\'''', ''''*.doc'''');
//           _GetFileList(MyTStringList, ''''c:\'''', ''''*.exe'''');
// ================================================================
procedure _GetFileList(AStrings: TStrings; ASourFile,
  FileName: string);
var sour_path,sour_file: string;
    TmpList:TStringList;
    FileRec, subFileRec:TSearchrec;
    i: Integer;
begin
   if rightStr(trim(ASourFile), 1) <> ''''\'''' then
     sour_path :=trim(ASourFile) + ''''\''''
   else
     sour_path :=trim(ASourFile);
   sour_file:= FileName;

   if not DirectoryExists(sour_path) then
   begin
     AStrings.Clear;
     exit;
   end;

   TmpList:=TStringList.Create;
   TmpList.Clear;

   if FindFirst(sour_path+''''*.*'''',faAnyfile,FileRec) = 0 then
   repeat
      if ((FileRec.Attr and faDirectory) <> 0) then
         begin
           if ((FileRec.Name<> ''''.'''') and (FileRec.Name  <> ''''..'''')) then
             _GetFileList(AStrings, sour_path+ FileRec.Name + ''''\'''',  sour_file);
         end
      else
        if FindFirst(sour_path + FileName,faAnyfile,subFileRec) = 0 then
        repeat
          if ((subFileRec.Attr and faDirectory) = 0) then
            TmpList.Add(sour_path+subFileRec.Name);
        until FindNext(subFileRec)<>0;

   until FindNext(FileRec)<>0;

   SysUtils.FindClose(FileRec);
   for i := 0 to TmpList.Count -1 do
     AStrings.Add(TmpList.Strings[i]);

   TmpList.Free;
end;

 

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