thinkphp使用HTTP send file插件下载文件

插件安装

composer require diversen/http-send-file

使用实例

use diversen\sendfile;
$s = new sendfile();

// file
$file = '/some/dir/test.epub';

// send the file
try {
    $s->send($file);
} catch (\Exception $e) {
    echo $e->getMessage();
}