spring websocket demo

一 java依赖

gradle 配置
implementation "org.springframework.boot:spring-boot-starter-websocket"
implementation "org.springframework.security:spring-security-messaging"

二 配置WebSocketConfig

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.simp.config.ChannelRegistration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.messaging.simp.stomp.StompCommand;
import org.springframework.messaging.simp.stomp.StompHeaderAccessor;
import org.springframework.messaging.support.ChannelInterceptor;
import org.springframework.messaging.support.MessageHeaderAccessor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;@Configuration
@EnableWebSocketMessageBroker
@Order(Ordered.HIGHEST_PRECEDENCE + 99)
public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {@Value("${customize.controller.path}/ws")String endpoint;@Overridepublic void registerStompEndpoints(StompEndpointRegistry registry) {registry.addEndpoint(endpoint).setAllowedOrigins("*");}@Overridepublic void configureMessageBroker(MessageBrokerRegistry config) {config.setApplicationDestinationPrefixes("/control");ThreadPoolTaskScheduler pool = new ThreadPoolTaskScheduler();pool.setPoolSize(1);pool.setThreadNamePrefix("wss-heartbeat-thread-");pool.initialize();config.enableSimpleBroker("/topic").setHeartbeatValue(new long[]{1000L * 30, 1000L * 30}).setTaskScheduler(pool);}@Overridepublic void configureClientInboundChannel(ChannelRegistration registration) {registration.interceptors(new ChannelInterceptor() {@Overridepublic Message<?> preSend(Message<?> message, MessageChannel channel) {StompHeaderAccessor accessor =MessageHeaderAccessor.getAccessor(message, StompHeaderAccessor.class);if (StompCommand.CONNECT.equals(accessor.getCommand())) {// 设置鉴权/*LoginInfo loginInfo = loginInfoManager.getLoginInfo(accessor);if (loginInfo != null) {UsernamePasswordAuthenticationToken authenticationToken =new UsernamePasswordAuthenticationToken(loginInfo, null, loginInfo.getAuthorities());
// 需要主要注意UsernamePasswordAuthenticationToken的loginIfo即Principal，后面对某用户发送信息时需要用到，其username必须是唯一的，不然同名用户会同时收到消息accessor.setUser(authenticationToken);}*/}return message;}});}
}

三 配置鉴权 WebSocketSecurityConfig

注意将 ${customize.controller.path}/ws 路由放行

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.messaging.MessageSecurityMetadataSourceRegistry;
import org.springframework.security.config.annotation.web.socket.AbstractSecurityWebSocketMessageBrokerConfigurer;@Configuration
public class WebSocketSecurityConfig extends AbstractSecurityWebSocketMessageBrokerConfigurer {@Overrideprotected void configureInbound(MessageSecurityMetadataSourceRegistry messages) {messages.anyMessage().authenticated();}@Overrideprotected boolean sameOriginDisabled() {return true;}}

四 建立连接处理

import java.util.Objects;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.messaging.simp.stomp.StompHeaderAccessor;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.messaging.SessionSubscribeEvent;@Component
public class WebSocketListener implements ApplicationListener<SessionSubscribeEvent> {private static final String TOPIC_PREFIX = "/topic";@AutowiredSimpMessagingTemplate template;private static final Logger logger = LoggerFactory.getLogger(WebSocketListener.class);@Overridepublic void onApplicationEvent(SessionSubscribeEvent sessionSubscribeEvent) {StompHeaderAccessor accessor = StompHeaderAccessor.wrap(sessionSubscribeEvent.getMessage());String topic = Objects.toString(accessor.getHeader("simpDestination"));if (StringUtils.startsWith(topic, TOPIC_PREFIX)) {String message = "{\"user\": 111, \"usrMsg\": 888}";template.convertAndSend(topic, message);logger.info("订阅{},首次响应数据:{}", topic, message);}}
}

五 接受客户端发送消息

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.stereotype.Controller;@Controller
public class WebSocketController {@AutowiredSimpMessagingTemplate template;private static final Logger logger = LoggerFactory.getLogger(WebSocketListener.class);@MessageMapping("/topic/test")public void broadcastNews(@Payload String message) {logger.info("-----{}", message);String res = "{\"user\": 111, \"usrMsg\": \"from server\"}";template.convertAndSend("/topic/test", res);}
}

六 前端简易js

springweb 项目直接放在resource/statis目录下即可访问

/assets 目录下

style.css 文件内容

/* CSS Document */
body {font: 12px arial;color: #222;text-align: center;padding: 35px;
}p, span {margin: 0;padding: 0;
}input {font: 12px arial;
}a {color: #0000FF;text-decoration: none;
}a:hover {text-decoration: underline;
}#wrapper {margin: 0 auto;padding-bottom: 25px;background: #EBF4FB;width: 504px;border: 1px solid #ACD8F0;
}#wrapper ul {text-align: left;
}#chatbox {text-align: left;margin: 0 auto;margin-bottom: 25px;padding: 10px;background: #fff;height: 270px;width: 430px;border: 1px solid #ACD8F0;overflow: auto;
}#chatbox span.user {font-weight: bold;color: darkslateblue;padding-right: 2pt;
}#usermsg {width: 395px;border: 1px solid #ACD8F0;
}#chatbox span.problem {font-weight: bold;color: darkslateblue;padding-right: 2pt;
}#chatbox span.solution {font-weight: bold;color: darkgreen;padding-right: 2pt;
}#submit {width: 60px;
}.error {color: #ff0000;
}#menu {padding: 12.5px 25px 12.5px 25px;
}.msgln {margin: 0 0 2px 0;
}

/js 目录下

jquery.min.js

/*! jQuery v3.3.1 | (c) JS Foundation and other contributors | jquery.org/license */
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stomp.umd.min.js

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).StompJs={})}(this,(function(e){"use strict";const t="\n",s="\0";class n{constructor(e){const{command:t,headers:s,body:n,binaryBody:i,escapeHeaderValues:o,skipContentLengthHeader:c}=e;this.command=t,this.headers=Object.assign({},s||{}),i?(this._binaryBody=i,this.isBinaryBody=!0):(this._body=n||"",this.isBinaryBody=!1),this.escapeHeaderValues=o||!1,this.skipContentLengthHeader=c||!1}get body(){return!this._body&&this.isBinaryBody&&(this._body=(new TextDecoder).decode(this._binaryBody)),this._body||""}get binaryBody(){return this._binaryBody||this.isBinaryBody||(this._binaryBody=(new TextEncoder).encode(this._body)),this._binaryBody}static fromRawFrame(e,t){const s={},i=e=>e.replace(/^\s+|\s+$/g,"");for(const o of e.headers.reverse()){o.indexOf(":");const c=i(o[0]);let r=i(o[1]);t&&"CONNECT"!==e.command&&"CONNECTED"!==e.command&&(r=n.hdrValueUnEscape(r)),s[c]=r}return new n({command:e.command,headers:s,binaryBody:e.binaryBody,escapeHeaderValues:t})}toString(){return this.serializeCmdAndHeaders()}serialize(){const e=this.serializeCmdAndHeaders();return this.isBinaryBody?n.toUnit8Array(e,this._binaryBody).buffer:e+this._body+s}serializeCmdAndHeaders(){const e=[this.command];this.skipContentLengthHeader&&delete this.headers["content-length"];for(const t of Object.keys(this.headers||{})){const s=this.headers[t];this.escapeHeaderValues&&"CONNECT"!==this.command&&"CONNECTED"!==this.command?e.push(`${t}:${n.hdrValueEscape(`${s}`)}`):e.push(`${t}:${s}`)}return(this.isBinaryBody||!this.isBodyEmpty()&&!this.skipContentLengthHeader)&&e.push(`content-length:${this.bodyLength()}`),e.join(t)+t+t}isBodyEmpty(){return 0===this.bodyLength()}bodyLength(){const e=this.binaryBody;return e?e.length:0}static sizeOfUTF8(e){return e?(new TextEncoder).encode(e).length:0}static toUnit8Array(e,t){const s=(new TextEncoder).encode(e),n=new Uint8Array([0]),i=new Uint8Array(s.length+t.length+n.length);return i.set(s),i.set(t,s.length),i.set(n,s.length+t.length),i}static marshall(e){return new n(e).serialize()}static hdrValueEscape(e){return e.replace(/\\/g,"\\\\").replace(/\r/g,"\\r").replace(/\n/g,"\\n").replace(/:/g,"\\c")}static hdrValueUnEscape(e){return e.replace(/\\r/g,"\r").replace(/\\n/g,"\n").replace(/\\c/g,":").replace(/\\\\/g,"\\")}}class i{constructor(e,t){this.onFrame=e,this.onIncomingPing=t,this._encoder=new TextEncoder,this._decoder=new TextDecoder,this._token=[],this._initState()}parseChunk(e,t=!1){let s;if(s=e instanceof ArrayBuffer?new Uint8Array(e):this._encoder.encode(e),t&&0!==s[s.length-1]){const e=new Uint8Array(s.length+1);e.set(s,0),e[s.length]=0,s=e}for(let e=0;e<s.length;e++){const t=s[e];this._onByte(t)}}_collectFrame(e){0!==e&&13!==e&&(10!==e?(this._onByte=this._collectCommand,this._reinjectByte(e)):this.onIncomingPing())}_collectCommand(e){if(13!==e)return 10===e?(this._results.command=this._consumeTokenAsUTF8(),void(this._onByte=this._collectHeaders)):void this._consumeByte(e)}_collectHeaders(e){13!==e&&(10!==e?(this._onByte=this._collectHeaderKey,this._reinjectByte(e)):this._setupCollectBody())}_reinjectByte(e){this._onByte(e)}_collectHeaderKey(e){if(58===e)return this._headerKey=this._consumeTokenAsUTF8(),void(this._onByte=this._collectHeaderValue);this._consumeByte(e)}_collectHeaderValue(e){if(13!==e)return 10===e?(this._results.headers.push([this._headerKey,this._consumeTokenAsUTF8()]),this._headerKey=void 0,void(this._onByte=this._collectHeaders)):void this._consumeByte(e)}_setupCollectBody(){const e=this._results.headers.filter((e=>"content-length"===e[0]))[0];e?(this._bodyBytesRemaining=parseInt(e[1],10),this._onByte=this._collectBodyFixedSize):this._onByte=this._collectBodyNullTerminated}_collectBodyNullTerminated(e){0!==e?this._consumeByte(e):this._retrievedBody()}_collectBodyFixedSize(e){0!=this._bodyBytesRemaining--?this._consumeByte(e):this._retrievedBody()}_retrievedBody(){this._results.binaryBody=this._consumeTokenAsRaw();try{this.onFrame(this._results)}catch(e){console.log("Ignoring an exception thrown by a frame handler. Original exception: ",e)}this._initState()}_consumeByte(e){this._token.push(e)}_consumeTokenAsUTF8(){return this._decoder.decode(this._consumeTokenAsRaw())}_consumeTokenAsRaw(){const e=new Uint8Array(this._token);return this._token=[],e}_initState(){this._results={command:void 0,headers:[],binaryBody:void 0},this._token=[],this._headerKey=void 0,this._onByte=this._collectFrame}}var o,c;e.StompSocketState=void 0,(o=e.StompSocketState=e.StompSocketState||(e.StompSocketState={}))[o.CONNECTING=0]="CONNECTING",o[o.OPEN=1]="OPEN",o[o.CLOSING=2]="CLOSING",o[o.CLOSED=3]="CLOSED",e.ActivationState=void 0,(c=e.ActivationState=e.ActivationState||(e.ActivationState={}))[c.ACTIVE=0]="ACTIVE",c[c.DEACTIVATING=1]="DEACTIVATING",c[c.INACTIVE=2]="INACTIVE";class r{constructor(e){this.versions=e}supportedVersions(){return this.versions.join(",")}protocolVersions(){return this.versions.map((e=>`v${e.replace(".","")}.stomp`))}}r.V1_0="1.0",r.V1_1="1.1",r.V1_2="1.2",r.default=new r([r.V1_2,r.V1_1,r.V1_0]);class a{constructor(e,t,s){this._client=e,this._webSocket=t,this._connected=!1,this._serverFrameHandlers={CONNECTED:e=>{this.debug(`connected to server ${e.headers.server}`),this._connected=!0,this._connectedVersion=e.headers.version,this._connectedVersion===r.V1_2&&(this._escapeHeaderValues=!0),this._setupHeartbeat(e.headers),this.onConnect(e)},MESSAGE:e=>{const t=e.headers.subscription,s=this._subscriptions[t]||this.onUnhandledMessage,n=e,i=this,o=this._connectedVersion===r.V1_2?n.headers.ack:n.headers["message-id"];n.ack=(e={})=>i.ack(o,t,e),n.nack=(e={})=>i.nack(o,t,e),s(n)},RECEIPT:e=>{const t=this._receiptWatchers[e.headers["receipt-id"]];t?(t(e),delete this._receiptWatchers[e.headers["receipt-id"]]):this.onUnhandledReceipt(e)},ERROR:e=>{this.onStompError(e)}},this._counter=0,this._subscriptions={},this._receiptWatchers={},this._partialData="",this._escapeHeaderValues=!1,this._lastServerActivityTS=Date.now(),this.debug=s.debug,this.stompVersions=s.stompVersions,this.connectHeaders=s.connectHeaders,this.disconnectHeaders=s.disconnectHeaders,this.heartbeatIncoming=s.heartbeatIncoming,this.heartbeatOutgoing=s.heartbeatOutgoing,this.splitLargeFrames=s.splitLargeFrames,this.maxWebSocketChunkSize=s.maxWebSocketChunkSize,this.forceBinaryWSFrames=s.forceBinaryWSFrames,this.logRawCommunication=s.logRawCommunication,this.appendMissingNULLonIncoming=s.appendMissingNULLonIncoming,this.discardWebsocketOnCommFailure=s.discardWebsocketOnCommFailure,this.onConnect=s.onConnect,this.onDisconnect=s.onDisconnect,this.onStompError=s.onStompError,this.onWebSocketClose=s.onWebSocketClose,this.onWebSocketError=s.onWebSocketError,this.onUnhandledMessage=s.onUnhandledMessage,this.onUnhandledReceipt=s.onUnhandledReceipt,this.onUnhandledFrame=s.onUnhandledFrame}get connectedVersion(){return this._connectedVersion}get connected(){return this._connected}start(){const e=new i((e=>{const t=n.fromRawFrame(e,this._escapeHeaderValues);this.logRawCommunication||this.debug(`<<< ${t}`);(this._serverFrameHandlers[t.command]||this.onUnhandledFrame)(t)}),(()=>{this.debug("<<< PONG")}));this._webSocket.onmessage=t=>{if(this.debug("Received data"),this._lastServerActivityTS=Date.now(),this.logRawCommunication){const e=t.data instanceof ArrayBuffer?(new TextDecoder).decode(t.data):t.data;this.debug(`<<< ${e}`)}e.parseChunk(t.data,this.appendMissingNULLonIncoming)},this._webSocket.onclose=e=>{this.debug(`Connection closed to ${this._client.brokerURL}`),this._cleanUp(),this.onWebSocketClose(e)},this._webSocket.onerror=e=>{this.onWebSocketError(e)},this._webSocket.onopen=()=>{const e=Object.assign({},this.connectHeaders);this.debug("Web Socket Opened..."),e["accept-version"]=this.stompVersions.supportedVersions(),e["heart-beat"]=[this.heartbeatOutgoing,this.heartbeatIncoming].join(","),this._transmit({command:"CONNECT",headers:e})}}_setupHeartbeat(s){if(s.version!==r.V1_1&&s.version!==r.V1_2)return;if(!s["heart-beat"])return;const[n,i]=s["heart-beat"].split(",").map((e=>parseInt(e,10)));if(0!==this.heartbeatOutgoing&&0!==i){const s=Math.max(this.heartbeatOutgoing,i);this.debug(`send PING every ${s}ms`),this._pinger=setInterval((()=>{this._webSocket.readyState===e.StompSocketState.OPEN&&(this._webSocket.send(t),this.debug(">>> PING"))}),s)}if(0!==this.heartbeatIncoming&&0!==n){const e=Math.max(this.heartbeatIncoming,n);this.debug(`check PONG every ${e}ms`),this._ponger=setInterval((()=>{const t=Date.now()-this._lastServerActivityTS;t>2*e&&(this.debug(`did not receive server activity for the last ${t}ms`),this._closeOrDiscardWebsocket())}),e)}}_closeOrDiscardWebsocket(){this.discardWebsocketOnCommFailure?(this.debug("Discarding websocket, the underlying socket may linger for a while"),this.discardWebsocket()):(this.debug("Issuing close on the websocket"),this._closeWebsocket())}forceDisconnect(){this._webSocket&&(this._webSocket.readyState!==e.StompSocketState.CONNECTING&&this._webSocket.readyState!==e.StompSocketState.OPEN||this._closeOrDiscardWebsocket())}_closeWebsocket(){this._webSocket.onmessage=()=>{},this._webSocket.close()}discardWebsocket(){var e,t;"function"!=typeof this._webSocket.terminate&&(e=this._webSocket,t=e=>this.debug(e),e.terminate=function(){const s=()=>{};this.onerror=s,this.onmessage=s,this.onopen=s;const n=new Date,i=Math.random().toString().substring(2,8),o=this.onclose;this.onclose=e=>{const s=(new Date).getTime()-n.getTime();t(`Discarded socket (#${i})  closed after ${s}ms, with code/reason: ${e.code}/${e.reason}`)},this.close(),o?.call(e,{code:4001,reason:`Quick discarding socket (#${i}) without waiting for the shutdown sequence.`,wasClean:!1})}),this._webSocket.terminate()}_transmit(e){const{command:t,headers:s,body:i,binaryBody:o,skipContentLengthHeader:c}=e,r=new n({command:t,headers:s,body:i,binaryBody:o,escapeHeaderValues:this._escapeHeaderValues,skipContentLengthHeader:c});let a=r.serialize();if(this.logRawCommunication?this.debug(`>>> ${a}`):this.debug(`>>> ${r}`),this.forceBinaryWSFrames&&"string"==typeof a&&(a=(new TextEncoder).encode(a)),"string"==typeof a&&this.splitLargeFrames){let e=a;for(;e.length>0;){const t=e.substring(0,this.maxWebSocketChunkSize);e=e.substring(this.maxWebSocketChunkSize),this._webSocket.send(t),this.debug(`chunk sent = ${t.length}, remaining = ${e.length}`)}}else this._webSocket.send(a)}dispose(){if(this.connected)try{const e=Object.assign({},this.disconnectHeaders);e.receipt||(e.receipt="close-"+this._counter++),this.watchForReceipt(e.receipt,(e=>{this._closeWebsocket(),this._cleanUp(),this.onDisconnect(e)})),this._transmit({command:"DISCONNECT",headers:e})}catch(e){this.debug(`Ignoring error during disconnect ${e}`)}else this._webSocket.readyState!==e.StompSocketState.CONNECTING&&this._webSocket.readyState!==e.StompSocketState.OPEN||this._closeWebsocket()}_cleanUp(){this._connected=!1,this._pinger&&(clearInterval(this._pinger),this._pinger=void 0),this._ponger&&(clearInterval(this._ponger),this._ponger=void 0)}publish(e){const{destination:t,headers:s,body:n,binaryBody:i,skipContentLengthHeader:o}=e,c=Object.assign({destination:t},s);this._transmit({command:"SEND",headers:c,body:n,binaryBody:i,skipContentLengthHeader:o})}watchForReceipt(e,t){this._receiptWatchers[e]=t}subscribe(e,t,s={}){(s=Object.assign({},s)).id||(s.id="sub-"+this._counter++),s.destination=e,this._subscriptions[s.id]=t,this._transmit({command:"SUBSCRIBE",headers:s});const n=this;return{id:s.id,unsubscribe:e=>n.unsubscribe(s.id,e)}}unsubscribe(e,t={}){t=Object.assign({},t),delete this._subscriptions[e],t.id=e,this._transmit({command:"UNSUBSCRIBE",headers:t})}begin(e){const t=e||"tx-"+this._counter++;this._transmit({command:"BEGIN",headers:{transaction:t}});const s=this;return{id:t,commit(){s.commit(t)},abort(){s.abort(t)}}}commit(e){this._transmit({command:"COMMIT",headers:{transaction:e}})}abort(e){this._transmit({command:"ABORT",headers:{transaction:e}})}ack(e,t,s={}){s=Object.assign({},s),this._connectedVersion===r.V1_2?s.id=e:s["message-id"]=e,s.subscription=t,this._transmit({command:"ACK",headers:s})}nack(e,t,s={}){return s=Object.assign({},s),this._connectedVersion===r.V1_2?s.id=e:s["message-id"]=e,s.subscription=t,this._transmit({command:"NACK",headers:s})}}class h{constructor(t={}){this.stompVersions=r.default,this.connectionTimeout=0,this.reconnectDelay=5e3,this.heartbeatIncoming=1e4,this.heartbeatOutgoing=1e4,this.splitLargeFrames=!1,this.maxWebSocketChunkSize=8192,this.forceBinaryWSFrames=!1,this.appendMissingNULLonIncoming=!1,this.discardWebsocketOnCommFailure=!1,this.state=e.ActivationState.INACTIVE;const s=()=>{};this.debug=s,this.beforeConnect=s,this.onConnect=s,this.onDisconnect=s,this.onUnhandledMessage=s,this.onUnhandledReceipt=s,this.onUnhandledFrame=s,this.onStompError=s,this.onWebSocketClose=s,this.onWebSocketError=s,this.logRawCommunication=!1,this.onChangeState=s,this.connectHeaders={},this._disconnectHeaders={},this.configure(t)}get webSocket(){return this._stompHandler?._webSocket}get disconnectHeaders(){return this._disconnectHeaders}set disconnectHeaders(e){this._disconnectHeaders=e,this._stompHandler&&(this._stompHandler.disconnectHeaders=this._disconnectHeaders)}get connected(){return!!this._stompHandler&&this._stompHandler.connected}get connectedVersion(){return this._stompHandler?this._stompHandler.connectedVersion:void 0}get active(){return this.state===e.ActivationState.ACTIVE}_changeState(e){this.state=e,this.onChangeState(e)}configure(e){Object.assign(this,e)}activate(){if(this.state===e.ActivationState.DEACTIVATING)throw this.debug("Still DEACTIVATING, please await call to deactivate before trying to re-activate"),new Error("Still DEACTIVATING, can not activate now");this.active?this.debug("Already ACTIVE, ignoring request to activate"):(this._changeState(e.ActivationState.ACTIVE),this._connect())}async _connect(){if(this.connected)return void this.debug("STOMP: already connected, nothing to do");if(await this.beforeConnect(),!this.active)return void this.debug("Client has been marked inactive, will not attempt to connect");this.connectionTimeout>0&&(this._connectionWatcher&&clearTimeout(this._connectionWatcher),this._connectionWatcher=setTimeout((()=>{this.connected||(this.debug(`Connection not established in ${this.connectionTimeout}ms, closing socket`),this.forceDisconnect())}),this.connectionTimeout)),this.debug("Opening Web Socket...");const t=this._createWebSocket();this._stompHandler=new a(this,t,{debug:this.debug,stompVersions:this.stompVersions,connectHeaders:this.connectHeaders,disconnectHeaders:this._disconnectHeaders,heartbeatIncoming:this.heartbeatIncoming,heartbeatOutgoing:this.heartbeatOutgoing,splitLargeFrames:this.splitLargeFrames,maxWebSocketChunkSize:this.maxWebSocketChunkSize,forceBinaryWSFrames:this.forceBinaryWSFrames,logRawCommunication:this.logRawCommunication,appendMissingNULLonIncoming:this.appendMissingNULLonIncoming,discardWebsocketOnCommFailure:this.discardWebsocketOnCommFailure,onConnect:e=>{if(this._connectionWatcher&&(clearTimeout(this._connectionWatcher),this._connectionWatcher=void 0),!this.active)return this.debug("STOMP got connected while deactivate was issued, will disconnect now"),void this._disposeStompHandler();this.onConnect(e)},onDisconnect:e=>{this.onDisconnect(e)},onStompError:e=>{this.onStompError(e)},onWebSocketClose:t=>{this._stompHandler=void 0,this.state===e.ActivationState.DEACTIVATING&&this._changeState(e.ActivationState.INACTIVE),this.onWebSocketClose(t),this.active&&this._schedule_reconnect()},onWebSocketError:e=>{this.onWebSocketError(e)},onUnhandledMessage:e=>{this.onUnhandledMessage(e)},onUnhandledReceipt:e=>{this.onUnhandledReceipt(e)},onUnhandledFrame:e=>{this.onUnhandledFrame(e)}}),this._stompHandler.start()}_createWebSocket(){let e;if(this.webSocketFactory)e=this.webSocketFactory();else{if(!this.brokerURL)throw new Error("Either brokerURL or webSocketFactory must be provided");e=new WebSocket(this.brokerURL,this.stompVersions.protocolVersions())}return e.binaryType="arraybuffer",e}_schedule_reconnect(){this.reconnectDelay>0&&(this.debug(`STOMP: scheduling reconnection in ${this.reconnectDelay}ms`),this._reconnector=setTimeout((()=>{this._connect()}),this.reconnectDelay))}async deactivate(t={}){const s=t.force||!1,n=this.active;let i;if(this.state===e.ActivationState.INACTIVE)return this.debug("Already INACTIVE, nothing more to do"),Promise.resolve();if(this._changeState(e.ActivationState.DEACTIVATING),this._reconnector&&(clearTimeout(this._reconnector),this._reconnector=void 0),!this._stompHandler||this.webSocket.readyState===e.StompSocketState.CLOSED)return this._changeState(e.ActivationState.INACTIVE),Promise.resolve();{const e=this._stompHandler.onWebSocketClose;i=new Promise(((t,s)=>{this._stompHandler.onWebSocketClose=s=>{e(s),t()}}))}return s?this._stompHandler?.discardWebsocket():n&&this._disposeStompHandler(),i}forceDisconnect(){this._stompHandler&&this._stompHandler.forceDisconnect()}_disposeStompHandler(){this._stompHandler&&this._stompHandler.dispose()}publish(e){this._checkConnection(),this._stompHandler.publish(e)}_checkConnection(){if(!this.connected)throw new TypeError("There is no underlying STOMP connection")}watchForReceipt(e,t){this._checkConnection(),this._stompHandler.watchForReceipt(e,t)}subscribe(e,t,s={}){return this._checkConnection(),this._stompHandler.subscribe(e,t,s)}unsubscribe(e,t={}){this._checkConnection(),this._stompHandler.unsubscribe(e,t)}begin(e){return this._checkConnection(),this._stompHandler.begin(e)}commit(e){this._checkConnection(),this._stompHandler.commit(e)}abort(e){this._checkConnection(),this._stompHandler.abort(e)}ack(e,t,s={}){this._checkConnection(),this._stompHandler.ack(e,t,s)}nack(e,t,s={}){this._checkConnection(),this._stompHandler.nack(e,t,s)}}class d{constructor(e){this.client=e}get outgoing(){return this.client.heartbeatOutgoing}set outgoing(e){this.client.heartbeatOutgoing=e}get incoming(){return this.client.heartbeatIncoming}set incoming(e){this.client.heartbeatIncoming=e}}class l extends h{constructor(e){super(),this.maxWebSocketFrameSize=16384,this._heartbeatInfo=new d(this),this.reconnect_delay=0,this.webSocketFactory=e,this.debug=(...e)=>{console.log(...e)}}_parseConnect(...e){let t,s,n,i={};if(e.length<2)throw new Error("Connect requires at least 2 arguments");if("function"==typeof e[1])[i,s,n,t]=e;else if(6===e.length)[i.login,i.passcode,s,n,t,i.host]=e;else[i.login,i.passcode,s,n,t]=e;return[i,s,n,t]}connect(...e){const t=this._parseConnect(...e);t[0]&&(this.connectHeaders=t[0]),t[1]&&(this.onConnect=t[1]),t[2]&&(this.onStompError=t[2]),t[3]&&(this.onWebSocketClose=t[3]),super.activate()}disconnect(e,t={}){e&&(this.onDisconnect=e),this.disconnectHeaders=t,super.deactivate()}send(e,t={},s=""){const n=!1===(t=Object.assign({},t))["content-length"];n&&delete t["content-length"],this.publish({destination:e,headers:t,body:s,skipContentLengthHeader:n})}set reconnect_delay(e){this.reconnectDelay=e}get ws(){return this.webSocket}get version(){return this.connectedVersion}get onreceive(){return this.onUnhandledMessage}set onreceive(e){this.onUnhandledMessage=e}get onreceipt(){return this.onUnhandledReceipt}set onreceipt(e){this.onUnhandledReceipt=e}get heartbeat(){return this._heartbeatInfo}set heartbeat(e){this.heartbeatIncoming=e.incoming,this.heartbeatOutgoing=e.outgoing}}class m{static client(e,t){null==t&&(t=r.default.protocolVersions());return new l((()=>new(m.WebSocketClass||WebSocket)(e,t)))}static over(e){let t;return"function"==typeof e?t=e:(console.warn("Stomp.over did not receive a factory, auto reconnect will not work. Please see https://stomp-js.github.io/api-docs/latest/classes/Stomp.html#over"),t=()=>e),new l(t)}}m.WebSocketClass=null,e.Client=h,e.CompatClient=l,e.FrameImpl=n,e.Parser=i,e.Stomp=m,e.StompConfig=class{},e.StompHeaders=class{},e.Versions=r}));

/ 根目录

index.html

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Simple Chat Application using StompJs</title><link type="text/css" rel="stylesheet" href="../../assets/style.css">
</head>
<body>
<div id="wrapper"><ul><li>For details on API calls see:<a href="https://stomp-js.github.io/api-docs/latest/classes/Client.html">API Reference</a></li></ul><div id="menu"><p class="welcome">Welcome, <input title="username" name="username" id="username" type="text"value="Change Me"></p></div><div id="chatbox"></div><input name="usermsg" type="text" id="usermsg" size="63" title="usermsg"/><button name="submitmsg" id="submitmsg">Send</button>
</div><!-- It is used for DOM manipulation, not mandatory to use stompjs -->
<script src="./js/jquery.min.js"></script><!-- Include from CDN for better performance, alternatively you can locally copy as well -->
<script src="./js/stomp.umd.min.js"></script><script type="application/javascript">$(function () {let stompClient;const stompConfig = {// Typically, login, passcode and vhost// Adjust these for your brokerconnectHeaders: {Authorization: 'Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJlNjNjZjkyZS01YmYwLTQ5MjEtOGJiZS1iNWIxYmQ5NGYxOWEiLCJpYXQiOjE2OTI5NDU3MDEsImV4cCI6MTY5MzAzMjEwMX0.tK0I9CyXDZfUvJYp825o0N7jW1H5KYdhdLgWfSijiNb-_Fuzm6hD5r_Ucp9bVrHW9ja0of4bv2HBBS8yGyAF0Q'},// Broker URL, should start with ws:// or wss:// - adjust for your broker setupbrokerURL: "ws://192.168.10.172:8882/gateways/member/ws",// Keep it off for production, it can be quit verbose// Skip this key to disabledebug: function (str) {//console.log('STOMP: ' + str);},// If disconnected, it will retry after 200msreconnectDelay: 200,// Subscriptions should be done inside onConnect as those need to reinstated when the broker reconnectsonConnect: function (frame) {// The return object has a method called `unsubscribe`const subscription = stompClient.subscribe('/topic/test', function (message) {//console.log('----', message)const payload = JSON.parse(message.body);displayIncomingMessage(payload.user, payload.usrMsg);});}};// Create an instancestompClient = new StompJs.Client(stompConfig);// You can set additional configuration options here// Attempt to connectstompClient.activate();// For the demo, set a random display user name for the chat, just feels nice$("#username").val("User " + Math.round(Math.random() * 100));// Set the DOM event handlers must not be inside onConnect - other for each reconnect it will keep getting added$("#submitmsg").click(function () {if (publishMessage($("#username").val(), $("#usermsg").val())) {// clearMessageInput();}});function clearMessageInput() {$("#usermsg").val("");}function publishMessage(user, message) {// trying to publish a message when the broker is not connected will throw an exceptionif (!stompClient.connected) {alert("Broker disconnected, can't send message.");return false;}if (message.length > 0) {const payLoad = {user: user, usrMsg: message};stompClient.publish({destination: '/control/topic/test',body: JSON.stringify(payLoad),headers: {}})//console.log('publish finished:', JSON.stringify(payLoad))}return true;}function displayIncomingMessage(user, message) {const msgDiv = $("<div>").addClass("msgln");msgDiv.html('<span class="user">[' + user + ']: </span><span class="message">' + message + '</span>');$("#chatbox").append(msgDiv);}})
</script>
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