项目Controller文件中加载Service层socket.js.页面进入该controller所在页面时连接socket(也可一进入项目就连接，看需求)，细节还需继续优化，写下来以防忘了~

Service层：socket.js

/*************************************************************
******************Angular Websocket Service******************
******************author:ristal******************************
******************created:2014-04-01**************************/
angular.module('websocketService', []).service('sWSocket', ['$timeout', function ($timeout) {var self = this;var callbackPool = []; //onMessage分类处理函数var delayPool = []; //延迟处理请求var registerPool = [];//已注册的方法var data = {};var ws = null;var connected = false;function newWebSocket() {// var wsURL = "ws://10.188.199.4:8080/YIXUN_1.5_WEB/websocket/";var wsURL = "ws://10.188.192.200:8000/websocket/";var wsTmp = new WebSocket(wsURL);wsTmp.onopen = function (evnt) {onOpen(evnt)};wsTmp.onmessage = function (evnt) {onMessage(evnt)};wsTmp.onclose = function (evnt) {onclose(evnt)};wsTmp.onerror = function (evnt) {onError(evnt)};return wsTmp;}ws = newWebSocket();function onOpen() {ws.readyState = true;updateStatus("onOpen : " + (connected ? 'TTRRUUEE' : 'FFAALLESS'));//缓存池中存在请求while (delayPool.length > 0) {var popData = delayPool.shift();if (popData.isReg == 1) {self.register(popData.appId, popData.methodId, popData.scope, popData.callbackFuns);} else if(popData.isReg == 0){self.unRegister(popData.appId, popData.methodId, popData.scope, popData.callbackFuns);}else {self.send(popData.appId, popData.methodId, popData.content);}}}function onclose() {ws.readyState = false;updateStatus("onClosed : " + (connected ? 'TTRRUUEE' : 'FFAALLESS'));$timeout(function () {console.log('Reconnecting to server...')newWebSocket();}, 3000);}function onMessage(evnt) {//这里处理接收数据var evenData = JSON.parse(evnt.data);console.log("Received data from websocket: ", evenData);//		    //返回处理//		    if(evenData.appId === 'register')//		    {//			    if(evenData.methodId === 'unRegister'){//				    //方法返回成功，加入方法池//				    if(evenData.content.status == 'SUCCEED'){//						//registerPool.push({appId: evenData.content.appId, methodId: evenData.content.methodId});//					    console.log("registerPool:", registerPool);//				    }else{//方法返回失败，重新发送请求////				    }//			    }//		    }//执行回调函数//传回后端实时推送的数据<span style="color:#ff0000;"> angular.forEach(callbackPool,function(value){if(value.appId === evenData.appId && value.methodId === evenData.methodId){value.callback(evenData.content);}});</span>}function onError(evnt) {ws.readyState = false;console.log('ERROR: ', evnt);$timeout(function () {console.log('Reconnecting to server...')newWebSocket();}, 3000);}function updateStatus(status) {console.log(status);}//注册方法//注册成功后会一直监听后端推送的相应部分的数据//直到注销此方法self.register = function (appId, methodId, callbackFuns) {var webSocketRe = {};webSocketRe.appId = 'register';webSocketRe.methodId = 'register';webSocketRe.content = {appId: appId,methodId: methodId};if (ws.readyState != true){//websocket服务未打开webSocketRe.isReg = 1;//registerwebSocketRe.appId = appId;webSocketRe.methodId = methodId;webSocketRe.callbackFuns = callbackFuns;delayPool.push(webSocketRe);console.log("register-delayPool:", delayPool);console.log("sending is delay.");return "sending is delay.";} else {callbackPool.push({appId:appId,methodId:methodId,callback:callbackFuns});console.log("callbackPool:",callbackPool);return doSend(webSocketRe);}}//注销方法//通知后端不再推送相应数据self.unregister = function (appId, methodId,callbackFuns) {console.log("unregister");var webSocketRe = {};webSocketRe.appId = 'register';webSocketRe.methodId = 'unRegister';webSocketRe.content = {appId: appId,methodId: methodId};//websocket服务未开启if (ws.readyState != true){webSocketVo.isReg = 0;//unRegisterdelayPool.push(webSocketRe);//console.log("unregister is delay.");return "unregister is delay.";} else {console.log("sending unregister.");var num = 0;//循环检查回调函数池angular.forEach(callbackPool,function(value,key){if(value.appId === appId && value.methodId === methodId){num += 1;if(value.callback === callbackFuns){delete callbackPool[key];num -=1;}}});console.log("num:",num);console.log("callbackpool:",callbackPool);//回调函数池中已经不存在此方法才真正发送websocket请求//通知后端不再推送相应数据if(num === 0 ){doSend(webSocketRe);}}}//实际发送websocket请求function doSend(webSocketVo) {return ws.send(JSON.stringify(webSocketVo));}self.send = function (appId, methodId, content) {var webSocketVo = {};webSocketVo.appId = appId;webSocketVo.methodId = methodId;webSocketVo.content = content;if (ws.readyState == 0) {// webSocketVo.isReg = false;//不需要注册delayPool.push(webSocketVo);console.log("sending is delay.");return "sending is delay.";} else {console.log("sending is doing.");console.log("webSocketVo:",webSocketVo);return doSend(webSocketVo);}}return self;}]);

Controller层：

<pre name="code" class="javascript">/*************************************************************
******************Angular Websocket Controller****************
******************author:ristal******************************
******************created:2014-04-01**************************/angular.module('websocketControllers').controller('loginCtrl', function ($scope,loginFactory,sWSocket,toaster,$location,$timeout) {console.log("loginCtrl");$scope.status;var appId = 'heartBeat';var methodId = 'heartBeat';var callback = function(evendata){console.log("callback:",evendata);$scope.menu = evendata;$scope.$apply();console.log($scope.menu);}var callback1 =  function(evendata){console.log("callback1:",evendata);$scope.menu = evendata;$scope.$apply();console.log($scope.menu);}$scope.doLogin = function(user){loginFactory.doLogin(user).success(function (success) {if(success.resultCode == 200){$scope.status = '登录成功';console.log("doLogin");$location.path('/home');var content2 = {userName:'hmm',userPassword:'111'};//websocket登陆sWSocket.send('login', 'doLogin', content2);//考虑极端情况，一个页面有多个模块监听同一个方法//但展示在页面的数据需对接收的实时监听的数据做不同处理//登陆后注册方法heartBeat，回调函数callback//页面切换时（也就是注销scope时）才注销此方法sWSocket.register(appId,methodId,callback);//登陆后也注册方法heartBeat，回调函数callback1//3s后立即注销此方法sWSocket.register(appId,methodId, callback1);$timeout(function () {console.log("unregister callback1");sWSocket.unregister(appId,methodId,callback1);}, 3000);}else if (success.resultCode == 102) {toaster.pop('error', "操作失败", success.resultReason);$scope.status = success.resultReason;};}).error(function (error) {$scope.status = '登录失败: ' + error.message;});};$scope.logout = function(){loginFactory.logout().success(function () {$scope.status = '退出成功';console.log("logout");}).error(function (error) {$scope.status = '退出失败: ' + error.message;});};//注销scope时注销方法heartBeat，回调函数callback$scope.$on("$destroy",function(){console.log("on-destroy");sWSocket.unregister(appId,methodId,callback);});});