/** * 文件下载 * @param string $path 文件所在路径 * @param string $filename 文件名 * * $dir="F:/file/"; $filename="f.txt"; file_down($dir,$filename); */ function file_down($dir,$filename){ $path=$dir.$filename; if(!file_exists($path)){ exit("文件不存在"); } //打开文件 $file = fopen ($path, "r" ); //输入文件标签 Header ( "Content-type: application/octet-stream" ); Header ( "Accept-Ranges: bytes" ); Header ( "Accept-Length: " . filesize ($path ) ); Header ( "Content-Disposition: attachment; filename=" . $filename ); //输出文件内容 //读取文件内容并直接输出到浏览器 echo fread ( $file, filesize ( $path ) ); fclose ( $file ); exit (); }
php Header文件下载
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