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45 lines
1.2 KiB
45 lines
1.2 KiB
5 years ago
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//websocket工具类
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var socketUtil = {
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/***
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* 2019-1-2 16:22 lzf
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* 建立websocket长连接，并订阅主题
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*
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* @param {String} sockUrl websocket连接地址：域名 + 端口 + 上下文 + websocket配置名
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* @param {String} subUrl 订阅的主题：/topic/hello、/queue/hello
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* @param {Function} callback 订阅成功后的回调函数
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*/
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subscribe: function(sockUrl, subUrl, callback) {
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//利用sockJS建立长连接
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var socket = new SockJS(sockUrl);
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//创建STOMP客户端
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var stomp = new Stomp.over(socket);
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//接收信息间隔
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stomp.heartbeat.incoming = 60000;
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//心跳发送时间间隔
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stomp.heartbeat.outgoing = 60000;
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/**
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* 开始连接
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* connect方法
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* @param 请求头，定义连接STOMP服务器的参数
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* @param 连接成功的回调函数
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*
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* 详情请参考 http://jmesnil.net/stomp-websocket/doc/
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**/
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stomp.connect({}, function(event) {
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/***
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* 订阅
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* subscribe方法
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* @param 订阅的主题 例如：/topic/hello、/queue/hello
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* @param 订阅成功的回调函数
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*/
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stomp.subscribe(subUrl, function(data) {
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//订阅成功，调用外部传递的回调函数
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callback(data);
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});
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});
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//返回STOMP客户端对象
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return stomp;
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},
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}
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