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SpringBoot-kwan
提交 39954353 编写于 作者: Kwan的解忧杂货铺@新空间代码工作室's avatar Kwan的解忧杂货铺@新空间代码工作室 🐭
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fix:添加websocket收发消息

上级 e6fc12cd
隐藏空白更改
内联 并排
Showing with 150 addition and 201 deletion
pom.xml
浏览文件 @ 39954353
......@@ -221,6 +221,12 @@
<artifactId>spring-boot-starter-websocket</artifactId>
<version>2.6.6</version>
</dependency>
<!-- thymeleaf依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
<version>3.1.2</version>
</dependency>
</dependencies>
<build>
<plugins>
......
src/main/java/com/kwan/springbootkwan/SpringBootKwanApplication.java
浏览文件 @ 39954353
......@@ -4,8 +4,10 @@ import org.springframework.batch.core.configuration.annotation.EnableBatchProces
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
@EnableWebSocket
@EnableSwagger2
@EnableScheduling
@EnableBatchProcessing
......
src/main/java/com/kwan/springbootkwan/config/WebSocketConfig.java
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......@@ -4,7 +4,6 @@ import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.server.standard.ServerEndpointExporter;
/**
* 开启websocket的支持
*
......@@ -12,6 +11,7 @@ import org.springframework.web.socket.server.standard.ServerEndpointExporter;
* @version : 2.2.0
* @date : 2023/8/26 16:45
*/
@Configuration
public class WebSocketConfig {
@Bean
......
src/main/java/com/kwan/springbootkwan/controller/SystemController.java 已删除 100644 → 0
浏览文件 @ e6fc12cd
package com.kwan.springbootkwan.controller;
import com.kwan.springbootkwan.service.WebSocketServer;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
@Controller("web_Scoket_system")
@RequestMapping("/api/socket")
public class SystemController {
//页面请求
@GetMapping("/index/{userId}")
public ModelAndView socket(@PathVariable String userId) {
ModelAndView mav = new ModelAndView("/socket1");
mav.addObject("userId", userId);
return mav;
}
//推送数据接口
@ResponseBody
@RequestMapping("/socket/push/{cid}")
public Map pushToWeb(@PathVariable String cid, String message) {
Map<String,Object> result = new HashMap<>();
try {
WebSocketServer.sendInfo(message, cid);
result.put("code", cid);
result.put("msg", message);
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
}
src/main/java/com/kwan/springbootkwan/filter/TimeFilter.java
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......@@ -18,7 +18,7 @@ public class TimeFilter implements Filter {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
log.info("先执行：接口执行时间");
// log.info("先执行：接口执行时间");
chain.doFilter(request, response);
}
}
......
src/main/java/com/kwan/springbootkwan/service/WebSocketServer.java
浏览文件 @ 39954353
package com.kwan.springbootkwan.service;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import javax.websocket.OnClose;
......@@ -8,126 +7,72 @@ import javax.websocket.OnError;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.CopyOnWriteArraySet;
@Component
@Slf4j
@ServerEndpoint(value = "/api/websocket/{sid}")
@ServerEndpoint("/websocket")
public class WebSocketServer {
//静态变量，用来记录当前在线连接数。应该把它设计成线程安全的。
private static int onlineCount = 0;
//concurrent包的线程安全Set，用来存放每个客户端对应的MyWebSocket对象。
private static CopyOnWriteArraySet<WebSocketServer> webSocketSet = new CopyOnWriteArraySet<>();
//与某个客户端的连接会话，需要通过它来给客户端发送数据
//准备一个内部安全的集合 存放所有用户的websocket服务
private static CopyOnWriteArraySet<WebSocketServer> wsset = new CopyOnWriteArraySet<>();
private Session session;
//接收sid
private String sid = "";
/**
* 连接建立成功调用的方法
*/
@OnOpen
public void onOpen(Session session, @PathParam("sid") String sid) {
public void opOpen(Session session) {
this.session = session;
webSocketSet.add(this); //加入set中
this.sid = sid;
addOnlineCount(); //在线数加1
try {
sendMessage("conn_success");
log.info("有新窗口开始监听:" + sid + ",当前在线人数为:" + getOnlineCount());
} catch (IOException e) {
log.error("websocket IO Exception");
}
}
//将自身填充到set集合中 这个集合是所有客户端websocket的集合
wsset.add(this);
// sendMsg();
/**
* 连接关闭调用的方法
*/
@OnClose
public void onClose() {
webSocketSet.remove(this); //从set中删除
subOnlineCount(); //在线数减1
//断开连接情况下，更新主板占用情况为释放
log.info("释放的sid为：" + sid);
//这里写你 释放的时候，要处理的业务
log.info("有一连接关闭！当前在线人数为" + getOnlineCount());
}
/**
* 收到客户端消息后调用的方法
*
* @ Param message 客户端发送过来的消息
*/
@OnMessage
public void onMessage(String message, Session session) {
log.info("收到来自窗口" + sid + "的信息:" + message);
//群发消息
for (WebSocketServer item : webSocketSet) {
try {
item.sendMessage(message);
} catch (IOException e) {
e.printStackTrace();
}
}
@OnClose
public void onClose() {
//将自己从set集合中删除
wsset.remove(this);
}
/**
* @ Param session
* @ Param error
*/
@OnError
public void onError(Session session, Throwable error) {
log.error("发生错误");
error.printStackTrace();
System.out.println(this + "发生错误了");
}
/**
* 实现服务器主动推送
*/
public void sendMessage(String message) throws IOException {
this.session.getBasicRemote().sendText(message);
//客户端发来消息
@OnMessage
public void onMessage(String clientMsg, Session session) {
System.out.println("来自客户端的信息+“。。。。。。。。。”===》" + clientMsg);
//每隔一秒给你推送一条当前时间信息
sendAllClient(clientMsg);
}
/**
* 群发自定义消息
*/
public static void sendInfo(String message, @PathParam("sid") String sid) throws IOException {
log.info("推送消息到窗口" + sid + "，推送内容:" + message);
for (WebSocketServer item : webSocketSet) {
try {
//这里可以设定只推送给这个sid的，为null则全部推送
if (sid == null) {
// item.sendMessage(message);
} else if (item.sid.equals(sid)) {
item.sendMessage(message);
}
} catch (IOException e) {
continue;
private void sendMsg() {
try {
while (true) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time = sdf.format(new Date());
//发送数据
this.session.getBasicRemote().sendText(time);
Thread.sleep(1000);
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public static synchronized int getOnlineCount() {
return onlineCount;
}
public static synchronized void addOnlineCount() {
WebSocketServer.onlineCount++;
}
public static synchronized void subOnlineCount() {
WebSocketServer.onlineCount--;
}
public static CopyOnWriteArraySet<WebSocketServer> getWebSocketSet() {
return webSocketSet;
private void sendAllClient(String msg) {
try {
for (WebSocketServer wss : wsset) {
wss.session.getBasicRemote().sendText(msg);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
\ No newline at end of file
src/main/resources/application.yaml
浏览文件 @ 39954353
server:
port: 8888
port: 8080
servlet:
encoding:
force: true
......
src/main/resources/index.html
浏览文件 @ 39954353
<!DOCTYPE html>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<html>
<head>
<meta charset="utf-8">
<title>Java后端WebSocket的Tomcat实现</title>
<script type="text/javascript" src="js/jquery.min.js"></script>
</head>
<body>
<div id="main" style="width: 1200px;height:800px;"></div>
Welcome<br/><input id="text" type="text"/>
<button onclick="send()">发送消息</button>
<hr/>
<button onclick="closeWebSocket()">关闭WebSocket连接</button>
<hr/>
<div id="message"></div>
</body>
<div id="time">只是接受消息的地方</div>
<input type="text" id="txtMsg"/>
<br/>
<button type="button" onclick="sendMsg()">发送消息</button>
<br/>
<script type="text/javascript">
var websocket = null;
//判断当前浏览器是否支持WebSocket
if ('WebSocket' in window) {
//改成你的地址
websocket = new WebSocket("ws://localhost:8888/api/websocket/100");
} else {
alert('当前浏览器 Not support websocket')
}
//new WebSocket
var webSocket = new WebSocket("ws://localhost:8080/websocket");
//连接发生错误的回调方法
websocket.onerror = function () {
setMessageInnerHTML("WebSocket连接发生错误");
};
//连接成功建立的回调方法
websocket.onopen = function () {
setMessageInnerHTML("WebSocket连接成功");
}
var U01data, Uidata, Usdata
//接收到消息的回调方法
websocket.onmessage = function (event) {
console.log(event);
setMessageInnerHTML(event);
setechart()
function sendMsg() {
var txt = document.getElementById("txtMsg").value;
console.log("待发送的消息是:" + txt);
webSocket.send(txt);
}
//连接关闭的回调方法
websocket.onclose = function () {
setMessageInnerHTML("WebSocket连接关闭");
webSocket.onopen = function () {
console.log("连接成功");
}
//监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
window.onbeforeunload = function () {
closeWebSocket();
webSocket.onclose = function () {
console.log("连接关闭");
}
//将消息显示在网页上
function setMessageInnerHTML(innerHTML) {
document.getElementById('message').innerHTML += innerHTML + '<br/>';
}
//关闭WebSocket连接
function closeWebSocket() {
websocket.close();
webSocket.onerror = function () {
console.log("连接出错");
}
//发送消息
function send() {
var message = document.getElementById('text').value;
websocket.send('{"msg":"' + message + '"}');
setMessageInnerHTML(message + "&#13;");
webSocket.onmessage = function (msg) {
console.log("收到的消息是:" + msg.data);
document.getElementById("time").innerHTML = msg.data;
}
</script>
</html>
\ No newline at end of file
</body>
</html>
src/main/resources/templates/socket1.html 0 → 100644
浏览文件 @ 39954353
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Java后端WebSocket的Tomcat实现</title>
<script type="text/javascript" src="js/jquery.min.js"></script>
</head>
<body>
<div id="main" style="width: 1200px;height:800px;"></div>
Welcome<br/><input id="text" type="text"/>
<button onclick="send()">发送消息</button>
<hr/>
<button onclick="closeWebSocket()">关闭WebSocket连接</button>
<hr/>
<div id="message"></div>
</body>
<script type="text/javascript">
var websocket = null;
//判断当前浏览器是否支持WebSocket
if ('WebSocket' in window) {
//改成你的地址
websocket = new WebSocket("ws://localhost:8888/api/websocket/100");
} else {
alert('当前浏览器 Not support websocket')
}
//连接发生错误的回调方法
websocket.onerror = function () {
setMessageInnerHTML("WebSocket连接发生错误");
};
//连接成功建立的回调方法
websocket.onopen = function () {
setMessageInnerHTML("WebSocket连接成功");
}
var U01data, Uidata, Usdata
//接收到消息的回调方法
websocket.onmessage = function (event) {
console.log(event);
setMessageInnerHTML(event);
setechart()
}
//连接关闭的回调方法
websocket.onclose = function () {
setMessageInnerHTML("WebSocket连接关闭");
}
//监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
window.onbeforeunload = function () {
closeWebSocket();
}
//将消息显示在网页上
function setMessageInnerHTML(innerHTML) {
document.getElementById('message').innerHTML += innerHTML + '<br/>';
}
//关闭WebSocket连接
function closeWebSocket() {
websocket.close();
}
//发送消息
function send() {
var message = document.getElementById('text').value;
websocket.send('{"msg":"' + message + '"}');
setMessageInnerHTML(message + "&#13;");
}
</script>
</html>
\ No newline at end of file
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