1回答

• 

  风有兮

  2017-10-27 14:56:15

  function downFile($filename){
      header("content-disposition:attachment;filename=".basename($filename));
      header("content-length:".filesize($filename));
      ob_clean();//清空（擦掉）输出缓冲区
      flush();//刷新输出缓冲
      readfile($filename);

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