";     $fileName = $i;      $i++;     $src = $path.'/'.$file;     $dest = $path.'/'.$fileName.'.'.$dext;     if($sext!="all"){      if($sext == substr($src,0-strlen($sext))) rename($src,$dest);      }else{      rename($src,$dest);      }    }    }   }    return false;   } }foreachDir('C:\Users\Administrator\Desktop\img','all','jpg');echo "
     
ok完成";