改名

http-server/Message/Response.php

@@ -7,6 +7,7 @@ use JetBrains\PhpStorm\Pure;
 use Kiri\Core\Help;
 use Kiri\ToArray;
 use Psr\Http\Message\ResponseInterface;
+use Server\SInterface\DownloadInterface;
 
 
 /**
@@ -174,6 +175,24 @@ class Response implements ResponseInterface, \Server\ResponseInterface
 	}
 
 
+	/**
+	 * @param $path
+	 * @param bool $isChunk
+	 * @param int $size
+	 * @param int $offset
+	 * @return DownloadInterface
+	 * @throws Exception
+	 */
+	public function file($path, bool $isChunk = false, int $size = -1, int $offset = 0): DownloadInterface
+	{
+		$path = realpath($path);
+		if (!file_exists($path) || !is_readable($path)) {
+			throw new Exception('Cannot read file "' . $path . '", no permission');
+		}
+		return (new Download())->path($path, $isChunk, $size, $offset);
+	}
+
+
 	/**
 	 * @param $responseData
 	 * @return string|array|bool|int|null