springboot+vue如何實現(xiàn)websocket配置

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-websocket</artifactId>
   <version>1.3.5.RELEASE</version>
</dependency>

@Configuration
public class WebSocketConfig {
  @Bean
  public ServerEndpointExporter serverEndpointExporter() {
    return new ServerEndpointExporter();
  }

}

@Component
@ServerEndpoint("/socket")
public class WebSocketServer {
  /**
   * 全部在線會話 
   */
  private static Map<String, Session> onlineSessions = new ConcurrentHashMap<>();


  /**
   * 當客戶端打開連接：1.添加會話對象 2.更新在線人數(shù)
   */
  @OnOpen
  public void onOpen(Session session) {
    onlineSessions.put(session.getId(), session);
    
  }

  /**
   * 當客戶端發(fā)送消息：1.獲取它的用戶名和消息 2.發(fā)送消息給所有人
   * <p>
   * PS: 這里約定傳遞的消息為JSON字符串 方便傳遞更多參數(shù)！
   */
  @OnMessage
  public void onMessage(Session session, String jsonStr) {
    
  }

  /**
   * 當關(guān)閉連接：1.移除會話對象 2.更新在線人數(shù)
   */
  @OnClose
  public void onClose(Session session) {
    onlineSessions.remove(session.getId());
    
  }

  /**
   * 當通信發(fā)生異常：打印錯誤日志
   */
  @OnError
  public void onError(Session session, Throwable error) {
    error.printStackTrace();
  }

  /**
   * 公共方法：發(fā)送信息給所有人
   */
  public void sendMessageToAll(String jsonMsg) {
    onlineSessions.forEach((id, session) -> {
      try {
        session.getBasicRemote().sendText(jsonMsg);
      } catch (IOException e) {
        e.printStackTrace();
      }
    });
  }

}

<script>
import Vue from 'vue'
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css'; // 默認主題

Vue.use(ElementUI, {size: 'small'});

import '@/directives/directives.js'
import Locale from '@/mixins/locale';
import { t } from '@/locale';


  /**
   * WebSocket客戶端
   *
   * 使用說明：
   * 1、WebSocket客戶端通過回調(diào)函數(shù)來接收服務(wù)端消息。例如：webSocket.onmessage
   * 2、WebSocket客戶端通過send方法來發(fā)送消息給服務(wù)端。例如：webSocket.send();
   */
  function getWebSocket() {
    /**
     * WebSocket客戶端 PS：URL開頭表示W(wǎng)ebSocket協(xié)議 中間是域名端口 結(jié)尾是服務(wù)端映射地址
     */
    var webSocket = new WebSocket('ws://10.10.10.3:9117/socket');//建立與服務(wù)端的連接
    /**
     * 當服務(wù)端打開連接
     */
    webSocket.onopen = function (event) {
      console.log('WebSocket打開連接');
    };

    /**
     * 當服務(wù)端發(fā)來消息：1.廣播消息 2.更新在線人數(shù)
     */
    webSocket.onmessage = function (event) {
      console.log(event)
      console.log('WebSocket收到消息：%c' + event.data, 'color:green');
      //獲取服務(wù)端消息
      var message = JSON.parse(event.data) || {};
      console.log(message)//
    };

    /**
     * 關(guān)閉連接
     */
    webSocket.onclose = function (event) {
      console.log('WebSocket關(guān)閉連接');
    };

    /**
     * 通信失敗
     */
    webSocket.onerror = function (event) {
      console.log('WebSocket發(fā)生異常');

    };
    return webSocket;
  }

  var webSocket = getWebSocket();


  /**
   * 通過WebSocket對象發(fā)送消息給服務(wù)端
   * 此處沒有主動發(fā)消息給服務(wù)端，如果調(diào)用此方法，則會發(fā)送消息至socket服務(wù)端onMessage()方法上
   */
  function sendMsgToServer() {
    var $message = $('#msg');
    if ($message.val()) {
      webSocket.send(JSON.stringify({username: $('#username').text(), msg: $message.val()}));
      $message.val(null);
    }

  }
export default {
 
}

  @Autowired
  private WebSocketServer webSocketServer;//注入socket服務(wù)
  
  @Override
  public PuStatesResult queryPuStateUseInfo(QueryCondition condition) {
    String sql = condition.generatorSql();
    if(sql == null){
      return null;
    }
    List<PuState> puStateList = null;
    puStateList = puStateMapper.getPusBySql(sql);
    if(puStateList == null || puStateList.size() == 0){
      return null;
    }
    PuStatesResult result = new PuStatesResult();
    result.setPuStateList(puStateList);
    result.computePuStates();
    if(false == condition.isWithDetail()){
      result.setPuStateList(null);
    }
    //todo
    Gson gson = new Gson();
    String json = gson.toJson(result);
    webSocketServer.sendMessageToAll(json);//調(diào)用第3節(jié)中的方法
    return result;
  }