解决非controller类引用service问题

 @Autowired
    PaUserService pauserService;

private static DomSocketUtils domSocketUtils;

 @PostConstruct  //用于在依赖关系注入完成之后需要执行的方法上，以执行任何初始化
    public void init() {
        domSocketUtils = this;
    }

@Component()
public class DomSocketUtils extends ServerSocket {
    @Autowired
    PaUserService pauserService;
    private static final int SERVER_PORT = 8875; // 服务端端口
    private static DomSocketUtils domSocketUtils;
    private ServerSocket server;
    //    @PostConstruct
    public DomSocketUtils() throws Exception {
//        server=new ServerSocket(SERVER_PORT);
//        load();
    }
    @PostConstruct  //用于在依赖关系注入完成之后需要执行的方法上，以执行任何初始化
    public void init() {
        domSocketUtils = this;
    }
    /**
     * 使用线程处理每个客户端传输的文件
     * @throws Exception
     */
    @Async("taskExexutor")
    public void load() throws Exception {
        server=new ServerSocket(SERVER_PORT);
        while (true) {
            System.out.println("-----------等待连接-------- ");
            Socket socket = server.accept();//接收连接服务端的客户端对象
            System.out.println("ip" + socket.getInetAddress() + "已连接");
            new Thread(new Transfer(socket),"thread1").start();// 每接收到一个Socket就建立一个新的线程来处理它
            System.out.println(Thread.currentThread().getName());
        }
    }
    /**
     * 处理客户端传输过来的文件线程类
     */
    class Transfer implements Runnable {
        private Socket socket;
        private DataInputStream dis;
        private FileOutputStream fos;
        public Transfer(Socket socket) {
            this.socket = socket;
        }
        @Override
        public void run() {
            try {
                dis = new DataInputStream(socket.getInputStream());
                // 文件名和长度
                String imageurl="";
                String fileName = dis.readUTF(); //获取文件名
                long fileLength = dis.readLong();
                File directory = new File("E://"); //创建绝对路径
                if(!directory.exists()) {
                    directory.mkdir();
                }
                File file = new File("E://");
                fos = new FileOutputStream(basepath);//存入文件
                // 开始接收文件
                byte[] bytes = new byte[1024];
                int length = 0;
                while((length = dis.read(bytes, 0, bytes.length)) != -1) {
                    fos.write(bytes, 0, length);
                    fos.flush();
                }
                File file1 = new File(basepath);//读取文件
                DicomInputStream dis = new DicomInputStream(file1);
                Attributes fmi = dis.readFileMetaInformation();
                Attributes attrs = dis.readDataset(-1, -1);
                PaUser  role = domSocketUtils.pauserService.getpaUserRole1(attrs.getString(Tag.PatientID));//验证是否存在该病人
                System.out.println("======== 文件接收成功 [File Name：" + fileName + "] ");
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                try {
                    if(fos != null)
                        fos.close();
                    if(dis != null)
                        dis.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }

@Slf4j
@Component
public class ServerIOT {
    @Resource
    private EasybandDateService easybandDateService;
    @PostConstruct //通过@PostConstruct实现初始化bean之前进行的操作
    public void init() {
        serverIOT = this;
        serverIOT.easybandDateService = this.easybandDateService;
        // 初使化时将已静态化的easybandDateService实例化
    }
}

boolean save = serverIOT.easybandDateService.save(easybandDate);