springboot自定义类@autowire注入为null的问题

@Component

public class MyFtpPlet extends DefaultFtplet {

    private static Logger logger = LoggerFactory.getLogger(MyFtpServer.class);

    @Autowired

    private ResUploadedService resUploadedService;

    private static MyFtpPlet myFtpPlet;

    @PostConstruct //通过@PostConstruct实现初始化bean之前进行的操作

    public void init() {

        myFtpPlet = this;

        myFtpPlet.resUploadedService = this.resUploadedService;

    }

    @Override

    public FtpletResult onUploadEnd(FtpSession session, FtpRequest request)

            throws FtpException, IOException {

        ResUploaded resUploaded = new ResUploaded();

        resUploaded.setUuid(UUIDUtil.getUuid());

        resUploaded.setFileName(fileName);

        resUploaded.setUploadTime(new Date());

        resUploaded.setFileDir(fileDir);

        resUploaded.setFilePath(rootPath.replaceAll("\\\\", "/"));

        resUploaded.setFileRepath(filePath);

        resUploaded.setStatus(0);

        myFtpPlet.resUploadedService.recordUploadInfo(resUploaded);

        logger.info("UUID:" + resUploaded.getUuid() + "FileName:" + fileName + "记录文件信息成功！");

        return super.onUploadEnd(session, request);

    }

}

需要注意：注入类的调用方法是

myFtpPlet.resUploadedService.recordUploadInfo(resUploaded);

目前发现除了带有@Controller @Service @Configuration 可以自动注入成功 

其他的自定义普通类只能 已这种方式去调用！

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