<template>
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<flex-layout class="page-home">
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<page-header
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slot="header"
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:class="{'show-drawer': drawer}"
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@handle-message="handleMessage"></page-header>
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<div class="page-home-content" :class="{'show-drawer': drawer}">
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<div class="tab-menu-left" @click="drawer=true">
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<i class="el-icon-s-operation"></i>
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</div>
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<el-tabs v-model="acTabs" type="border-card"
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@tab-remove="removeTab"
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class="no-selected full-height add-m-menu flex-layout el-home-tabs">
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<el-tab-pane v-for="item in tabs" :key="item.name"
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:label="item.label" :name="item.name" :closable="item.closable">
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<iframe :name="item.name" :src="item.src" width="100%" height="100%" frameborder="0"
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scrolling="no"></iframe>
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</el-tab-pane>
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</el-tabs>
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</div>
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<el-drawer
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title="我是标题"
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:withHeader="false"
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:visible.sync="drawer"
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size="360px"
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direction="ltr">
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<page-menu
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:ac-tabs="acTabs"
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@select="changeTab"></page-menu>
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</el-drawer>
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</flex-layout>
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</template>
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<script>
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import PageHeader from '../components/PageHeader.vue'
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import PageMenu from '../components/PageMenu.vue'
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import ProgressBar from 'vuejs-progress-bar'
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import {
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checkUserLogin
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} from '@/assets/js/api'
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let timer;
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export default {
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components: {
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PageHeader,
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PageMenu
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},
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data() {
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return {
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acTabs: 'index',
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tabs: [
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{
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label: '首页',
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name: 'index',
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src: '#/index',
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closable: false,
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},
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],
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drawer: false,
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timer: '',
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}
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},
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watch: {
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acTabs: {
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handler(name) { // 监测tab激活的位置
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// 存储激活的sessionStorage
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sessionStorage.setItem('acTabs', name);
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},
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immediate: true,
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}
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},
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methods: {
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removeTab(targetName) {
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let tabs = this.tabs;
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let activeName = this.acTabs;
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if (activeName === targetName) {
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tabs.forEach((tab, index) => {
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if (tab.name === targetName) {
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let nextTab = tabs[index + 1] || tabs[index - 1];
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if (nextTab) {
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activeName = nextTab.name;
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}
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}
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});
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}
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this.acTabs = activeName;
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this.tabs = tabs.filter(tab => tab.name !== targetName);
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},
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changeTab(menu) {
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let tabs = this.tabs;
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// 检测name是否已经存在tabs内
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let notIn = true;
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tabs.forEach(item => {
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if (item.name == menu.name) {
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notIn = false;
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}
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});
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// 不在, 添加menu到tabs中
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if (notIn) {
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tabs.push(menu);
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}
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// 设置激活的导航
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this.acTabs = menu.name;
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},
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// 处理从子iframe中获取到的指令
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handleMessage(msg) {
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switch (msg.cmd) {
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// 同步页面的指令
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case 'syncPage':
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this.syncPage(msg.params);
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break;
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}
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},
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// 同步页面
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syncPage(params) {
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let tabs = this.tabs;
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let menu = params.pageInfo;
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// 检测name是否已经存在tabs内
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let notIn = true;
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let index = -1;
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tabs.forEach((item, flag) => {
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// 页面是否已经打开
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if (item.name == menu.name) {
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notIn = false;
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index = flag;
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}
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});
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// 不在, 添加menu到tabs中
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if (notIn) {
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tabs.push(menu);
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} else { // 页面已存在，并刷新页面
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tabs.splice(index, 1);
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this.$nextTick(() => {
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tabs.splice(index, 0, menu);
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});
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}
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// 设置激活的导航
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this.acTabs = menu.name;
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},
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checkUserLogin() {
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checkUserLogin().then(res => {
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let rs = JSON.parse(res.data.result);
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if (rs.code === 1) {
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alert(rs.msg);
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this.$router.push('/login');
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} else {
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clearTimeout(timer);
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timer = setTimeout(() => {
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this.checkUserLogin();
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}, 3000);
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}
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}).catch(error => {
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clearTimeout(timer);
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timer = setTimeout(() => {
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this.checkUserLogin();
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}, 3000);
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})
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},
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},
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mounted() {
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// 启动用户互斥登录模块
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this.checkUserLogin();
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// 监听来自子iframe的指令
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window.addEventListener('message', (msg) => {
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// 处理数据
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this.handleMessage(msg.data);
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});
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}
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}
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</script>
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<style scoped lang="less">
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.flex-layout {
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display: flex;
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height: 100%;
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box-sizing: border-box;
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}
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.page-home-content {
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position: relative;
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height: 100%;
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}
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.tab-menu-left {
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position: absolute;
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box-sizing: border-box;
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width: 48px;
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height: 40px;
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line-height: 40px;
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text-align: center;
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z-index: 1;
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}
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.no-selected {
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-webkit-user-select: none;
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-moz-user-select: none;
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-ms-user-select: none;
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user-select: none;
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}
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.show-drawer {
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transform: translateX(360px);
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}
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</style>
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