【www.gdgbn.com--php常用代码】

function RmDirFiles($indir)
 {
    $dh = dir($indir);
    while($filename = $dh->read()) {
      if($filename == "." || $filename == "..")
       continue;
      else if(is_file("$indir/$filename"))
       @unlink("$indir/$filename");
      else
        $this->RmDirFiles("$indir/$filename");
    }
    $dh->close();
    @rmdir($indir);
 }
 //获得某目录合符规则的文件
 function GetMatchFiles($indir,$fileexp,&$filearr)
 {
    $dh = dir($indir);
    while($filename = $dh->read())
    {
      $truefile = $indir."/".$filename;
      if($filename == "." || $filename == ".."){
       continue;
      }
      else if(is_dir($truefile)){
       $this->GetMatchFiles($truefile,$fileexp,$filearr);
      }
      else if(preg_match("/.(".$fileexp.")/i",$filename)){
       $filearr[] = $truefile;
      }
    }
    $dh->close();
 }
 //删除文件
 function DeleteFile($filename)
 {
  $filename = $this->baseDir.$this->activeDir."/$filename";
  if(is_file($filename)){ @unlink($filename); $t="文件"; }
  else{
   $t = "目录";
   if($this->allowDeleteDir==1) $this->RmDirFiles($filename);
  }
  ShowMsg("成功删除一个".$t."！","file_manage_main.php?activepath=".$this->activeDir);
  return 0;
 }

本文来源：http://www.gdgbn.com/jiaocheng/18073/