增加 spring websocket 示例

lab-25/lab-websocket-25-01/pom.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.10.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-25-01</artifactId>
+
+    <dependencies>
+        <!-- 实现对 WebSocket 相关依赖的引入，方便~ -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
+
+        <!-- 引入 Fastjson ，实现对 JSON 的序列化，因为后续我们会使用它解析消息 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.62</version>
+        </dependency>
+
+    </dependencies>
+
+</project>

lab-25/lab-websocket-25-01/src/main/java/cn/iocoder/springboot/lab24/springwebsocket/Application.java

@@ -0,0 +1,13 @@
+package cn.iocoder.springboot.lab24.springwebsocket;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

lab-25/lab-websocket-25-01/src/main/java/cn/iocoder/springboot/lab24/springwebsocket/config/WebSocketConfiguration.java

@@ -0,0 +1,16 @@
+package cn.iocoder.springboot.lab24.springwebsocket.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.socket.server.standard.ServerEndpointExporter;
+
+@Configuration
+// @EnableWebSocket // 无需添加该注解，因为我们并不是使用 Spring WebSocket
+public class WebSocketConfiguration {
+
+    @Bean
+    public ServerEndpointExporter serverEndpointExporter() {
+        return new ServerEndpointExporter();
+    }
+
+}

lab-25/pom.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <artifactId>labs-parent</artifactId>
+        <groupId>cn.iocoder.springboot.labs</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-25</artifactId>
+    <packaging>pom</packaging>
+    <modules>
+        <module>lab-websocket-25-01</module>
+    </modules>
+
+
+</project>

pom.xml

@@ -33,6 +33,7 @@
         <module>lab-22</module>
         <module>lab-23</module>
         <module>lab-24</module>
+        <module>lab-25</module>
     </modules>