一、spring配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
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 ">
<!-- @Autowired等注解驱动 -->
<context:annotation-config />
<mvc:annotation-driven/>
<!--一定要扫描指定的项目报-->
<context:component-scan base-package="com.soccermaster.websocket"></context:component-scan>
<context:component-scan base-package="com.soccermaster.service"></context:component-scan>
<context:component-scan base-package="com.soccermaster.dao"></context:component-scan>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:viewClass="org.springframework.web.servlet.view.JstlView"
p:prefix="/WEB-INF/pages/" p:suffix=".jsp">
</bean>
</beans>
二、web.xml配置
注意：必须将对应filter和servlet添加
<async-supported>true</async-supported>
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
<display-name>spring websocket信息推送</display-name>
<welcome-file-list>
<welcome-file>testSocket.jsp</welcome-file>
</welcome-file-list>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mybatis.xml</param-value>
</context-param>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<session-config>
<session-timeout>30</session-timeout>
</session-config>
</web-app>
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<String, Object> 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;
<!--如下接口是自己的业务接口 根据情况自定义-->
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<WebSocketSession> users;
static {
users = new ArrayList<WebSocketSession>();
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）
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