java ftp上传文件

/**
 * 上传文件到ftp
 * @param server
 * @param user
 * @param pwd
 * @param filenames
 */

public static void upload(String server, String user, String pwd, List<String> filenames) {
    FTPClient client = new FTPClient();
    FileInputStream inputStream = null;
    try {
        client.connect(server);
        client.login(user, pwd);
        for (String filename : filenames) {
            inputStream = new FileInputStream(filename);
            boolean b = client.storeFile(filename, inputStream);
            if (b == false) {
                System.out.println("上传文件:" + filename + "失败!");
            }
        }
        client.logout();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (inputStream != null) {
                inputStream.close();
            }
            client.disconnect();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

        <dependency>
            <groupId>commons-net</groupId>
            <artifactId>commons-net</artifactId>
            <version>3.3</version>
        </dependency>