基于 SpringBoot 和 webSocket 的匿名聊天室

缺乏、安全感 2022-09-28 01:29 235阅读 0赞

![这里写图片描述][SouthEast]

项目结构：

![这里写图片描述][SouthEast 1]

1).pom.xml

<?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">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.hsp</groupId>
      <artifactId>SpringBootWebSocket</artifactId>
      <packaging>war</packaging>
      <version>0.0.1-SNAPSHOT</version>
      <name>SpringBootWebSocket</name>
      <url>http://maven.apache.org</url>
    
       <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.5.2.RELEASE</version>
        </parent>
    
      <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-websocket</artifactId>
            </dependency>
    
            <dependency>
                <groupId>org.webjars</groupId>
                <artifactId>webjars-locator</artifactId>
            </dependency>
            <dependency>
                <groupId>org.webjars</groupId>
                <artifactId>sockjs-client</artifactId>
                <version>1.0.2</version>
            </dependency>
            <dependency>
                <groupId>org.webjars</groupId>
                <artifactId>stomp-websocket</artifactId>
                <version>2.3.3</version>
            </dependency>
            <dependency>
                <groupId>org.webjars</groupId>
                <artifactId>bootstrap</artifactId>
                <version>3.3.7</version>
            </dependency>
            <dependency>
                <groupId>org.webjars</groupId>
                <artifactId>jquery</artifactId>
                <version>3.1.0</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
    
           <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
             <version>3.1-b07</version>
           </dependency>
      </dependencies>
      <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        <finalName>SpringBootWebSocket</finalName>
      </build>
    </project>

2).Message.java

package com.chat;
    
    public class Message {
    
        private String content;
    
        public Message() {
        }
    
        public Message(String content) {
            this.content = content;
        }
    
        public String getContent() {
            return content;
        }
    
        public void setContent(String content) {
            this.content = content;
        }
    
    }

3).ChattingController.java

package com.chat;
    
    import org.springframework.messaging.handler.annotation.MessageMapping;
    import org.springframework.messaging.handler.annotation.SendTo;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestParam;
    
    @Controller
    public class ChattingController { 
    
    
        // /chatting的处理函数
        @MessageMapping("/chatting")
        //将结果发送到/chat/message
        @SendTo("/chat/message")
        //这里传进的参数是Message对象，对应的键是content，
        //所以后台的Message对象一定要有content属性
        public Message chatting(Message message) throws Exception {
            //停1秒，让后台有时间去处理消息
            Thread.sleep(1000); 
            //返回Message的json形式
            return new Message(message.getContent());
        }
    
    }

4).WebSocketConfig.java

package com.chat;
    
    import org.springframework.context.annotation.Configuration;
    import org.springframework.messaging.simp.config.MessageBrokerRegistry;
    import org.springframework.web.socket.config.annotation.AbstractWebSocketMessageBrokerConfigurer;
    import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
    import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
    
    @Configuration
    @EnableWebSocketMessageBroker
    public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer { 
    
        @Override
        public void configureMessageBroker(MessageBrokerRegistry config) {
            //namespace 返回数据时加/chat
            config.enableSimpleBroker("/chat");
            //namespace 经过controller的方法的路径都要加/app
            config.setApplicationDestinationPrefixes("/app");
        }
    
        //注册websocket
        public void registerStompEndpoints(StompEndpointRegistry registry) {
            registry.addEndpoint("/websocket").withSockJS();
        }
    
    }

5).index.html

<!DOCTYPE html>
    <html>
    <head>
        <title>Chatting room</title>
        <link href="/webjars/bootstrap/css/bootstrap.min.css" rel="stylesheet">
        <link href="/main.css" rel="stylesheet">
        <script src="/webjars/jquery/jquery.min.js"></script>
        <script src="/webjars/sockjs-client/sockjs.min.js"></script>
        <script src="/webjars/stomp-websocket/stomp.min.js"></script>
        <script src="/app.js"></script>
    </head>
    <body>
    <div id="main-content" class="container">
        <div class="row">
            <div class="col-md-6">
                <form class="form-inline">
                    <div class="form-group">
                        <label for="connect">加入聊天室</label>
                        <button id="connect" class="btn btn-default" type="submit">加入</button>
                        <button id="disconnect" class="btn btn-default" type="submit" disabled="disabled">退出
                        </button>
                    </div>
                </form>
            </div>
            <div class="col-md-6">
                <form class="form-inline">
                    <div class="form-group">
                        <label for="content">发信息</label>
                        <input type="text" id="content" class="form-control" placeholder="message...">
                    </div>
                    <button id="send" class="btn btn-default" type="submit">Send</button>
                </form>
            </div>
        </div>
        <div class="row">
            <div class="col-md-12">
                <table id="conversation" class="table table-striped">
                    <thead>
                    <tr>
                        <th>聊天记录</th>
                    </tr>
                    </thead>
                    <tbody id="messages">
                    </tbody>
                </table>
            </div>
        </div>
        </form>
    </div>
    </body>
    </html>

6).main.css

body { background-color: #f5f5f5; }
    
    #main-content { max-width: 940px; padding: 2em 3em; margin: 0 auto 20px; background-color: #fff; border: 1px solid #e5e5e5; -webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; }

7).app.js

8).Application.java

package com.chat;
    
    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);
        }
    }

9).测试，在浏览器输入：[http://localhost:8080/][http_localhost_8080]

代码是参考spring官网的资料：[https://spring.io/guides/gs/messaging-stomp-websocket/][https_spring.io_guides_gs_messaging-stomp-websocket]

[SouthEast]: /images/20220708/04dcd4133cbc4dbf8d120e4920685eb5.png
[SouthEast 1]: /images/20220708/e977b69be74c492e8c66a71c18df06fa.png
[http_localhost_8080]: http://localhost:8080/
[https_spring.io_guides_gs_messaging-stomp-websocket]: https://spring.io/guides/gs/messaging-stomp-websocket/