We are family
- 德意 落苏谣
- 小蜗牛 小精灵
小精灵,小蜗牛想对你说,“ 有你真好 ”!
有你的每一天,都非常的充实,每一天都充满着期待,我们分享彼此的故事,彼此云学习、云上班、云看夕阳落下……是那么的舒适愉悦。你总是在不经意之间就跑进我的脑袋,然后就陷入了对你的思念!夜已深,躺在床上,此时你又跑入了我的脑海,脑海里回想起我们规划去旅行,想起你叫我小蜗牛,我叫你小精灵,内心是暖暖的,欣喜的。突发奇想,写一个小代码,纪念这美妙的时刻,我的小精灵,小蜗牛与小精灵的精彩时刻。
夏雨雪时光
温馨代码,寄托我对你的思念......
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德意 落苏谣 小蜗牛 小精灵
we are family
we are family
we are family
0、项目框架
主要包括:Message、WebSocketConfig、GreetController、chat.html
总体结构
1、配置pom.xml
核心:jquery、stomp-websocket、sockjs-client、webjars-locator-core
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>webjars-locator-core</artifactId>
<version>0.46</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>sockjs-client</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>stomp-websocket</artifactId>
<version>2.3.3</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>jquery</artifactId>
<version>3.5.1</version>
</dependency>
2、配置实体类Message.java
package com.example.demo03.bean;
/**
* @Author 刘德意
* @create 2020/8/7
*/
public class Message {
private String name;
private String content;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
}
夏雨雪时光
3、WebSocketConfig.java
package com.example.demo03.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
/**
* @Author 刘德意
* @create 2020/8/7
*/
@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
@Override
public void configureMessageBroker(MessageBrokerRegistry registry) {
registry.enableSimpleBroker("/topic");
registry.setApplicationDestinationPrefixes("/app");
}
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry.addEndpoint("/chat").withSockJS();
}
}
4、GreetingController.java
package com.example.demo03.controller;
import com.example.demo03.bean.Message;
import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.stereotype.Controller;
/**
* @Author 刘德意
* @create 2020/8/7
*/
@Controller
public class GreetingController {
@MessageMapping("/hello")
@SendTo("/topic/greetings")
public Message greeting(Message message){
return message;
}
}
5、前端交互界面chat.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>群聊</title>
<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>
</head>
<body>
<table>
<tr>
<td>请输入用户名:</td>
<td><input id="name" type="text"></td>
</tr>
<tr>
<td><input id="connect" type="button" value="连接" ></td>
<td><input id="disconnect" type="button" disabled="disabled" value="断开连接" ></td>
</tr>
</table>
<div id="chat" style="display: none">
<table>
<tr>
<td>请输入聊天内容:</td>
<td><input id="content" type="text"></td>
<td><input id="send" type="button" value="发送"></td>
</tr>
</table>
<div id="conversation">群聊进行中...</div>
</div>
//java script定义点击的各类函数
<script>
$(function () {
$("#connect").click(function () {
connect();
})
$("#disconnect").click(function () {
if (stompClient != null) {
stompClient.disconnect();
}
setConnected(false);
})
$("#send").click(function () {
stompClient.send('/app/hello',{},JSON.stringify({'name':$("#name").val(),'content':$("#content").val()}))
})
})
var stompClient = null;
function connect() {
if (!$("#name").val()) {
return;
}
var socket = new SockJS("/chat");
stompClient = Stomp.over(socket);
stompClient.connect({}, function (success) {
setConnected(true);
stompClient.subscribe("/topic/greetings",function (msg) {
showGreeting(JSON.parse(msg.body));
});
})
}
function showGreeting(msg) {
$("#conversation").append('<div>'+msg.name+':'+msg.content+'</div>')
}
function setConnected(flag) {
$("#connect").prop("disabled",flag);
$("#disconnect").prop("disabled",!flag);
if (flag) {
$("#chat").show();
}else{
$("#chat").hide();
}
}
</script>
</body>
</html>
夏雨雪时光
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