2019独角兽企业重金招聘Python工程师标准>>> 
提供一个思路，大家可以参考着修改自己的方法！
/**
* 上传文件到FTP
*
* @param file
* file文件，struts2从页面得到的File类型
*
* @param filePath
* 要保存在FTP上的路径（文件夹）
* @param fileName
*
*
* @return 文件是否上传成功
*
* @throws Exception
*/
public static boolean upload(File file, String filePath, String fileName) {
TelnetOutputStream to = null;
FileInputStream fi = null;
filePath = FILE_SEPARATOR （定义的路径获取）+ filePath;
try {
if (file != null) {
connectFTP();
// ftpClient.setAsciiType();
if (!isDirExist(filePath.replace("\\", "/"))) {
createDir(filePath.replace("\\", "/"));
ftpClient.changeDirectory("/" + filePath.replace("\\", "/"));
}
fi = new FileInputStream(file);
to = (TelnetOutputStream) ftpClient.putFileStream(fileName, true);
byte[] bytes = new
byte[1024];
int i = fi.read(bytes);
while (i != -1) {
to.write(bytes);
i = fi.read(bytes);
}
}
return true;
} catch (FileNotFoundException e1) {
e1.printStackTrace();
return false;
} catch (IOException e2) {
e2.printStackTrace();
return false;
} catch (Exception e) {
e.printStackTrace();
return false;
} finally {
if (fi != null) {
try {
fi.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (to != null) {
try {
to.flush();
to.close();
} catch (IOException e) {
e.printStackTrace();
}
}
closeFTP();
}
}
/**
* 链接FTP
*
* @throws FtpProtocolException
*/
public static void connectFTP() throws
FtpProtocolException {
try
{
ftpClient = FtpClient.create();
ftpClient.connect(new InetSocketAddress(url, port));
ftpClient.login(user, password.toCharArray());
ftpClient.setBinaryType();
} catch
(IOException e) {
e.printStackTrace();
}
}