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php 实现文件下载，兼容IE、Firefox、Chrome等浏览器
一、下载任意文件：
Header("Content-type: application/octet-stream"); $ua = $_SERVER["HTTP_USER_AGENT"]; $encoded_filename = rawurlencode($filename); if (preg_match("/MSIE/", $ua)) { header(‘Content-Disposition: attachment; filename="‘ . $encoded_filename . ‘"‘); } else if (preg_match("/Firefox/", $ua)) { header("Content-Disposition: attachment; filename*=\"utf8‘‘" . $filename . ‘"‘); } else { header(‘Content-Disposition: attachment; filename="‘ . $filename . ‘"‘); } $file = ‘xxxx.pdf‘; header("Content-Length: ". filesize("{$file}"));
二、PHPExcel导出excel文件下载：
...
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, ‘Excel5‘); header(‘Content-Type: application/vnd.ms-excel‘); $ua = $_SERVER["HTTP_USER_AGENT"]; $encoded_filename = rawurlencode($filename); if (preg_match("/MSIE/", $ua)) { header(‘Content-Disposition: attachment; filename="‘ . $encoded_filename . ‘"‘); } else if (preg_match("/Firefox/", $ua)) { header("Content-Disposition: attachment; filename*=\"utf8‘‘" . $filename . ‘"‘); } else { header(‘Content-Disposition: attachment; filename="‘ . $filename . ‘"‘); } header(‘Cache-Control: max-age=0‘); $objWriter->save(‘php://output‘);
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