header("Pragma: public");header("Cache-control: max-age=".$expire);//header('Cache-Control: no-store, no-cache, must-revalidate');header("Expires: " . gmdate("D, d M Y H:i:s",time()+$expire) . "GMT");header("Last-Modified: " . gmdate("D, d M Y H:i:s",time()) . "GMT");header("Content-Disposition: attachment; filename=".$showname);header("Content-Length: ".$length);header("Content-type: ".$type);header('Content-Encoding: none');header("Content-Transfer-Encoding: binary" );if($content == '' ) {readfile($filename);}else {echo($content);}exit();这是http里面的一段代码,可是我用它只能读出到浏览器中。
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TA贡献1946条经验 获得超4个赞
header("Content-type: application/octet-stream;");
或者修改 httpd 的 mime.types 里面对应的文件类型为 application/octet-stream
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