spring+websocket的使用

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一、spring配置文件

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:websocket="http://www.springframework.org/schema/websocket"
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
    http://www.springframework.org/schema/beans/spring-beans-4.1.xsd  
    http://www.springframework.org/schema/tx  
    http://www.springframework.org/schema/tx/spring-tx-4.1.xsd 
    http://www.springframework.org/schema/context 
    http://www.springframework.org/schema/context/spring-context-4.1.xsd 
    http://www.springframework.org/schema/mvc 
    http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
    http://www.springframework.org/schema/websocket
    http://www.springframework.org/schema/websocket/spring-websocket-4.1.xsd ">
   
       
   
   
   
   
   
   
   
         p:prefix="/WEB-INF/pages/" p:suffix=".jsp">
       

 

二、web.xml配置

注意：必须将对应filter和servlet添加

true

 

  spring websocket信息推送
  
    testSocket.jsp
  
  
    org.springframework.web.context.ContextLoaderListener
  
  
    org.springframework.web.util.IntrospectorCleanupListener
  
  
    SpringMVC
    org.springframework.web.servlet.DispatcherServlet
    
      contextConfigLocation
      classpath:spring-mvc.xml
    
    1
    true
  
  
    SpringMVC
    /
  
  
    contextConfigLocation
    classpath:spring-mybatis.xml
  
  
    encodingFilter
    org.springframework.web.filter.CharacterEncodingFilter
    true
    
      encoding
      UTF-8
    
  
  
    encodingFilter
    /*
  
  
    30
  

 三、代码

 

a、websocketconfig

 

package com.soccermaster.websocket;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;

import org.springframework.context.annotation.Bean;

@Configuration
@EnableWebMvc
@EnableWebSocket
public class WebSocketConfig extends WebMvcConfigurerAdapter implements WebSocketConfigurer {

    public WebSocketConfig() {
    }

    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(systemWebSocketHandler(), "/websck").addInterceptors(new WebSocketHandshakeInterceptor());

        System.out.println("registed!");
        registry.addHandler(systemWebSocketHandler(), "/sockjs/websck/info").addInterceptors(new WebSocketHandshakeInterceptor()).withSockJS();

    }

    @Bean
    public WebSocketHandler systemWebSocketHandler() {
        //return new InfoSocketEndPoint();
        return new SystemWebSocketHandler();
    }

}

 

b、WebSocketHandshakeInterceptor

package com.soccermaster.websocket;

import java.util.Map;

import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;


@Component
public class WebSocketHandshakeInterceptor extends HttpSessionHandshakeInterceptor {

	@Override
	public boolean beforeHandshake(ServerHttpRequest request,
			ServerHttpResponse response, WebSocketHandler wsHandler,
			Map attributes) throws Exception {
		System.out.println("Before Handshake");
		return super.beforeHandshake(request, response, wsHandler, attributes);
	}

	@Override
	public void afterHandshake(ServerHttpRequest request,
			ServerHttpResponse response, WebSocketHandler wsHandler,
			Exception ex) {
		System.out.println("After Handshake");
		super.afterHandshake(request, response, wsHandler, ex);
	}

}

 c、SystemWebSocketHandler

package com.soccermaster.websocket;

import java.io.IOException;
import java.util.ArrayList;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.WebSocketMessage;
import org.springframework.web.socket.WebSocketSession;

import com.soccermaster.service.IMatchService;
import com.soccermaster.util.json.JsonConvert;

/**
 *
 */
@Component
public class SystemWebSocketHandler implements WebSocketHandler {

	@Autowired
	private IMatchService matchService;

	private static final Logger logger;
	private static final ArrayList users;

	static {
		users = new ArrayList();
		logger = LoggerFactory.getLogger(SystemWebSocketHandler.class);
	}

	@Override
	public void afterConnectionEstablished(WebSocketSession session)
			throws Exception {
		logger.debug("connect to the websocket success......");
		System.out.println("connect to the websocket success......");
		session.sendMessage(new TextMessage("Server:connected OK!"));

		users.add(session);
	}

	@Override
	public void handleMessage(WebSocketSession wss, WebSocketMessage wsm)
			throws Exception {
		logger.debug("websocket handle message......");
                TextMessage returnMessage = new TextMessage(result);
		wss.sendMessage("服务端返回信息");
		//sendMessageToUsers(wss, wsm);
	}

	@Override
	public void handleTransportError(WebSocketSession wss, Throwable thrwbl)
			throws Exception {
		if (wss.isOpen()) {
			wss.close();
		}
		users.remove(wss);
		logger.debug("websocket connection closed happen error......");
		System.out.println("websocket connection closed happen error......");
	}

	@Override
	public void afterConnectionClosed(WebSocketSession wss, CloseStatus cs)
			throws Exception {
		System.out.println("websocket connection closed......");
		users.remove(wss);
		logger.debug("websocket connection closed......");
	}

	@Override
	public boolean supportsPartialMessages() {
		return false;
	}

}

 四、相关项目jar包 http://pan.baidu.com/s/1sjI9GOt

如上基本完成 spring websocket

环境要求tomcat7及其以上  + jdk 1.7

 五、补充 关于浏览器不支持websocket ， 通过http请求来模拟注意事宜

 需要添加jackson2相关的jar包（见附件）

 

 

• Jackson_2.rar (1.2 MB)
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