WebsocketMixin.js
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import store from '@/store/'
import { ACCESS_TOKEN } from '@/store/mutation-types'
import Vue from 'vue'
export const WebsocketMixin = {
mounted() {
this.initWebSocket();
},
destroyed: function () {
// 离开页面生命周期函数
this.websocketOnclose();
},
methods:{
initWebSocket: function () {
let token = Vue.ls.get(ACCESS_TOKEN)
console.log("------------WebSocket连接成功");
// WebSocket与普通的请求所用协议有所不同，ws等同于http，wss等同于https
var userId = store.getters.userInfo.id;
if(!this.socketUrl.startsWith('/')){
this.socketUrl = '/' + this.socketUrl
}
if(!this.socketUrl.endsWith('/')){
this.socketUrl = this.socketUrl + '/'
}
var url = window._CONFIG['domianURL'].replace("https://","wss://").replace("http://","ws://") + this.socketUrl + userId + "/" + token;
//update-begin-author:taoyan date:2022-4-22 for: v2.4.6 的 websocket 服务端，存在性能和安全问题。 #3278
this.websock = new WebSocket(url, [token]);
//update-end-author:taoyan date:2022-4-22 for: v2.4.6 的 websocket 服务端，存在性能和安全问题。 #3278
this.websock.onopen = this.websocketOnopen;
this.websock.onerror = this.websocketOnerror;
this.websock.onmessage = this.websocketOnmessage;
this.websock.onclose = this.websocketOnclose;
},
websocketOnopen: function () {
console.log("WebSocket连接成功");
},
websocketOnerror: function (e) {
console.log("WebSocket连接发生错误");
this.reconnect();
},
websocketOnclose: function (e) {
this.reconnect();
},
websocketSend(text) {
// 数据发送
try {
this.websock.send(text);
} catch (err) {
console.log("send failed (" + err.code + ")");
}
},
reconnect() {
var that = this;
if(that.lockReconnect) return;
that.lockReconnect = true;
//没连接上会一直重连，设置延迟避免请求过多
setTimeout(function () {
console.info("尝试重连...");
that.initWebSocket();
that.lockReconnect = false;
}, 5000);
},
}
}