我@Autowired (socket_mesajService)确实在 SocketHandler.class 我得到了一个NullPointerException 但@Autowired (socket_mesajService)正在为其他班级工作。
这是我的 SocketHandler 类并在该类中调用 socket_mesajService
@Component
public class SocketHandler extends TextWebSocketHandler {
@Autowired
private Socket_mesajService socket_mesajService;
List<Socket_session_model> sessions = new ArrayList<>();
@Override
public void handleTextMessage(WebSocketSession session, TextMessage message) throws InterruptedException, IOException {
for(Socket_session_model socket_session__model : sessions) {
socket_mesajService.Socket_mesaj_templateAll(socket_session__model.getUserid());
}
}
}
这是我的 WebSocketConfig 类
@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
registry.addHandler(new SocketHandler(), "/name");
}
这是我的 ApplicationRun 类 ///////////////////
@Configuration
@EnableAutoConfiguration
@SpringBootApplication (scanBasePackages={"com.polipool.*"})
@EntityScan( basePackages = {"com.polipool.model"})
public class ApplicationRun extends SpringBootServletInitializer {
public static void main(String[] args) throws Exception {
SpringApplication.run(ApplicationRun.class, args);
}
@Bean
public ServletRegistrationBean servletRegistrationBean() {
FacesServlet servlet = new FacesServlet();
return new ServletRegistrationBean(servlet, "*.xhtml");
}
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder
builder) {
return builder.sources(ApplicationRun.class);
}
}
Socket_mesajServiceImpl 类
@Service
public class Socket_mesajServiceImpl implements Socket_mesajService {
@Autowired
private Socket_mesajDao socket_mesajDao;
@Override
public List<Socket_mesaj_template> Socket_mesaj_templateAll(String
messageid) {
return socket_mesajDao.Socket_mesaj_templateAll(messageid);
}
}
Socket_mesajService
public interface Socket_mesajService {
public void Socket_mesaj_tamplateadd (Socket_mesaj_template mesaj);
public void Socket_mesaj_templateupdate (Socket_mesaj_template user);
public void Socket_mesaj_templatedelete (String messageid);
public List<Socket_mesaj_template> Socket_mesaj_templateAll (String userid);
}