SpringBoot Webscoket basic configuration

XML file <project XMLNS ="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0. 0</modelVersion>
	<groupId>com.hxkj.websocket</groupId>
	<artifactId>springboot-websocket</artifactId>
	<version>0.01.-SNAPSHOT</version> <! -- Inherit defaults from Spring Boot --> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.4. 0.RELEASE</version> </parent> <! -- Add typical dependenciesfora web application --> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <! --Mysql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <! -- datajpa --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-configuration-processor</artifactId> <optional>true</optional> </dependency> <! -- websocket --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-websocket</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency> </dependencies> <! -- Package as an executable jar --> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project Application. Java startup configuration@EnableTransactionManagement
@SpringBootApplication
@ServletComponentScan/ / servlet scanning
public class Application extends SpringBootServletInitializer {

	private static Logger logger = Logger.getLogger(Application.class);

	
	
	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
		return builder.sources(Application.class);
	}

	public static void main(String[] args) {
		SpringApplication.run(Application.class, args);
		logger.info("============= SpringBoot Start Success ============="); }} 3, webSocket configuration@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {

	@Override    
    public void registerStompEndpoints(StompEndpointRegistry registry) {        
        registry.addEndpoint("/socket").withSockJS();       
    }    
	
    @Override    
    public void configureMessageBroker(MessageBrokerRegistry registry) {  
        registry.enableSimpleBroker("/topic");      
        registry.setApplicationDestinationPrefixes("/app"); }} 4. Controller configuration@Controller
public class GreetingController {

	@Autowired
    private SimpMessagingTemplate simpMessagingTemplate;  
	
	@RequestMapping("index") 
	public String index(a){
		return "index";
	}
	
    @RequestMapping("/helloSocket")    
    public String helloSocket(a){        
        return "hello/index";    
    }  
    
    @MessageMapping(value="/change-notice")    
    @SendTo("/topic/notice")
    public void greeting(String value){
    	System.out.println("session:"+" value:"+value);
        this.simpMessagingTemplate.convertAndSend("/topic/notice", value); }}Copy the code