php下载程序
<?php $path = '1.rar'; $extension = getFileExt($f); switch ($extension){ case "jpg": case "jpeg": $ctype="image/jpeg"; break; case "pdf": $ctype="application/pdf"; break; case "gif": $ctype="image/gif"; break; case "png": $ctype="image/png"; break; case "doc": $ctype="application/msword"; break; case "zip": $ctype="application/zip";break; case "rar": $ctype="application/rar"; break; default: $ctype="application/force-download"; } header("Pragma: public"); header("Expires: 0"); header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Cache-Control: private",false); header("Content-type: ". $ctype); header("Content-Transfer-Encoding: binary"); header("Content-Length: ". filesize($path)); header('Content-Disposition: attachment; filename="100.jpg" ;'); readfile( $path ); function getFileExt($file_name){ $extend = explode("." , $file_name); $type = $extend[count($extend)-1]; return strtolower($type); } ?>
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