<template>
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<a-popover
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trigger="click"
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placement="bottom"
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:autoAdjustOverflow="true"
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:arrowPointAtCenter="true"
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overlayClassName="header-notice-wrapper"
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@visibleChange="handleHoverChange"
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:overlayStyle="{ width: '300px', top: '50px' }">
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<template slot="content">
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<a-spin :spinning="loadding">
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<a-tabs>
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<a-tab-pane :tab="msg1Title" key="1">
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<a-list>
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<a-list-item :key="index" v-for="(record, index) in announcement1">
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<div style="margin-left: 5%;width: 80%">
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<p><a @click="showAnnouncement(record)">{{ record.msgTitle }}</a></p>
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<p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTimeStr }}</p>
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</div>
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</a-list-item>
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<div style="margin-top: 5px;text-align: center">
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<a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
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</div>
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</a-list>
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</a-tab-pane>
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</a-tabs>
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</a-spin>
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</template>
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<span @click="fetchNotice" class="header-notice">
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<a-badge :count="msgTotal">
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<a-icon style="font-size: 16px; padding: 4px" type="bell" />
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</a-badge>
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</span>
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<show-announcement ref="ShowAnnouncement" @ok="modalFormOk"></show-announcement>
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<dynamic-notice ref="showDynamNotice" :path="openPath" :formData="formData"/>
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<msg-list ref="modalList" @close="modalListCancel()"></msg-list>
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</a-popover>
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</template>
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<script>
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import { getAction,postAction } from '@/api/manage'
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import ShowAnnouncement from './ShowAnnouncement'
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import store from '@/store/'
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import DynamicNotice from './DynamicNotice'
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import MsgList from '@/views/system/MsgList'
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export default {
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name: "HeaderNotice",
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components: {
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DynamicNotice,
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ShowAnnouncement,
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MsgList
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},
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data () {
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return {
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loadding: false,
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url:{
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getMsgByStatus:"/msg/getMsgByStatus",
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batchUpdateStatus:"/msg/batchUpdateStatus",
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queryById:"/sys/annountCement/queryById",
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},
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hovered: false,
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announcement1:[],
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msg1Count:"0",
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msg1Title:"通知(0)",
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stopTimer:false,
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websock: null,
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lockReconnect:false,
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heartCheck:null,
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formData:{},
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openPath:''
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}
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},
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computed:{
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msgTotal () {
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return parseInt(this.msg1Count);
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}
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},
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mounted() {
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this.loadData();
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//this.timerFun();
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//this.initWebSocket(); //注释by jishenghua 2021年1月13日
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// this.heartCheckFun();
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},
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destroyed: function () { // 离开页面生命周期函数
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//this.websocketclose();
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},
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methods: {
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timerFun() {
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this.stopTimer = false;
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let myTimer = setInterval(()=>{
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// 停止定时器
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if (this.stopTimer == true) {
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clearInterval(myTimer);
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return;
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}
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this.loadData()
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},6000)
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},
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loadData (){
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try {
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// 获取系统消息
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getAction(this.url.getMsgByStatus, { status: '1'}).then((res) => {
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if (res && res.code === 200) {
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this.announcement1 = res.data;
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if(this.announcement1.length>5) {
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this.announcement1 = this.announcement1.reverse()
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this.announcement1 = this.announcement1.slice(0,5)
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}
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this.msg1Count = res.data.length;
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this.msg1Title = "通知(" + res.data.length + ")";
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}
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}).catch(error => {
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console.log("系统消息通知异常",error);//这行打印permissionName is undefined
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this.stopTimer = true;
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console.log("清理timer");
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});
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} catch (err) {
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this.stopTimer = true;
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console.log("通知异常",err);
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}
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},
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fetchNotice () {
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if (this.loadding) {
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this.loadding = false
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return
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}
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this.loadding = true
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setTimeout(() => {
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this.loadding = false
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}, 200)
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},
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showAnnouncement(record){
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postAction(this.url.batchUpdateStatus,{ids:record.id, status: '2'}).then((res)=>{
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if(res && res.code === 200){
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this.loadData();
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}
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});
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this.hovered = false;
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this.$refs.ShowAnnouncement.detail(record);
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},
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toMyAnnouncement(){
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this.$refs.modalList.handleDetail();
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},
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modalFormOk(){
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},
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modalListCancel(){
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this.loadData()
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},
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handleHoverChange (visible) {
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this.hovered = visible;
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},
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initWebSocket: function () {
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// 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
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var userId = store.getters.userInfo.id;
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var url = window._CONFIG['domianURL'].replace("https://","wss://").replace("http://","ws://")+"/websocket/"+userId;
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console.log(url);
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this.websock = new WebSocket(url);
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this.websock.onopen = this.websocketOnopen;
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this.websock.onerror = this.websocketOnerror;
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this.websock.onmessage = this.websocketOnmessage;
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this.websock.onclose = this.websocketOnclose;
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},
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websocketOnopen: function () {
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console.log("WebSocket连接成功");
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//心跳检测重置
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//this.heartCheck.reset().start();
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},
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websocketOnerror: function (e) {
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console.log("WebSocket连接发生错误");
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this.reconnect();
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},
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websocketOnmessage: function (e) {
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console.log("-----接收消息-------",e.data);
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var data = eval("(" + e.data + ")"); //解析对象
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if(data.cmd == "topic"){
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//系统通知
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this.loadData();
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}else if(data.cmd == "user"){
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//用户消息
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this.loadData();
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}
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//心跳检测重置
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//this.heartCheck.reset().start();
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},
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websocketOnclose: function (e) {
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console.log("connection closed (" + e.code + ")");
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this.reconnect();
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},
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websocketSend(text) { // 数据发送
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try {
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this.websock.send(text);
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} catch (err) {
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console.log("send failed (" + err.code + ")");
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}
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},
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openNotification (data) {
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var text = data.msgTxt;
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const key = `open${Date.now()}`;
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this.$notification.open({
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message: '消息提醒',
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placement:'bottomRight',
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description: text,
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key,
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btn: (h)=>{
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return h('a-button', {
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props: {
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type: 'primary',
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size: 'small',
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},
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on: {
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click: () => this.showDetail(key,data)
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}
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}, '查看详情')
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},
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});
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},
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reconnect() {
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var that = this;
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if(that.lockReconnect) return;
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that.lockReconnect = true;
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//没连接上会一直重连，设置延迟避免请求过多
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setTimeout(function () {
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console.info("尝试重连...");
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that.initWebSocket();
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that.lockReconnect = false;
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}, 5000);
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},
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heartCheckFun(){
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var that = this;
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//心跳检测,每20s心跳一次
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that.heartCheck = {
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timeout: 20000,
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timeoutObj: null,
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serverTimeoutObj: null,
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reset: function(){
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clearTimeout(this.timeoutObj);
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//clearTimeout(this.serverTimeoutObj);
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return this;
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},
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start: function(){
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var self = this;
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this.timeoutObj = setTimeout(function(){
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//这里发送一个心跳，后端收到后，返回一个心跳消息，
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//onmessage拿到返回的心跳就说明连接正常
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that.websocketSend("HeartBeat");
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console.info("客户端发送心跳");
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//self.serverTimeoutObj = setTimeout(function(){//如果超过一定时间还没重置，说明后端主动断开了
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// that.websock.close();//如果onclose会执行reconnect，我们执行ws.close()就行了.如果直接执行reconnect 会触发onclose导致重连两次
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//}, self.timeout)
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}, this.timeout)
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}
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}
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},
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showDetail(key,data){
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this.$notification.close(key);
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var id = data.msgId;
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getAction(this.url.queryById,{id:id}).then((res) => {
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if (res.success) {
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var record = res.result;
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this.showAnnouncement(record);
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}
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})
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},
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}
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}
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</script>
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<style lang="css">
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.header-notice-wrapper {
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top: 50px !important;
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}
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</style>
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<style lang="less" scoped>
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.header-notice{
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display: inline-block;
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transition: all 0.3s;
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span {
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vertical-align: initial;
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}
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}
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</style>
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