/**
* 獲取PDF的頁(yè)數(shù)
*/
function getPageTotal($path){
    // 打開文件
    if (!$fp = @fopen($path,"r")) {
      $error = "打開文件{$path}失敗";
      return false;
    }
    else {
      $max=0;
      while(!feof($fp)) {
        $line = fgets($fp,255);
        if (preg_match('/\/Count [0-9]+/', $line, $matches)){
          preg_match('/[0-9]+/',$matches[0], $matches2);
          if ($max<$matches2[0]) $max=$matches2[0];
        }
      }
      fclose($fp);
      // 返回頁(yè)數(shù)
      return $max;
    }
}}