<template>
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<el-menu
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:default-active="homePage"
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active-text-color="#ffd04b"
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background-color="#545c64"
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text-color="#fff"
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class="el-menu-vertical-demo"
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:collapse="collapse"
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@open="handleOpen"
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@close="handleClose"
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router
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>
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<!-- 标题 -->
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<el-row ref="headerRef" class="header">
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<el-space>
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<el-avatar size="default" icon="UserFilled" />
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<div>{{ collapse ? '' : title }}</div>
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</el-space>
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</el-row>
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<!-- 系统切换按钮 -->
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<el-popover
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ref="header2Ref"
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placement="right"
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trigger="click"
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effect="dark"
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:visible="popVisible"
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>
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<template #reference>
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<div class="fy-button-div" @click="popVisible = !popVisible">
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<div
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v-show="!collapse"
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style="font-size: 12px; color: gray; margin-left: 24px; margin-bottom: 4px;"
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>
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当前系统
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</div>
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<el-row justify="space-between" align="middle" style="flex-wrap: nowrap;">
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<el-space>
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<el-icon :size="16"><Open /></el-icon>
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<span v-show="!collapse">{{ sysName }}</span>
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</el-space>
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<el-icon v-show="!collapse"><ArrowRight /></el-icon>
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</el-row>
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</div>
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</template>
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<div class="fy-button-div" v-for="(n, i) in sysNames" :key="i" @click="choseSys(i)">
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{{ n.name }}
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</div>
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</el-popover>
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<!-- 菜单 -->
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<el-scrollbar :height="menuHeight" v-if="!collapse">
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<MenuItems :routes="menus" @navPage="navPage"> </MenuItems>
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</el-scrollbar>
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<template v-else>
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<MenuItems :routes="menus" @navPage="navPage"> </MenuItems>
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</template>
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<!-- 商标 -->
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<!-- <el-row ref="subTitleRef" class="sub-title" justify="center">
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<el-space>{{ collapse ? '' : subTitle }}</el-space>
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</el-row> -->
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</el-menu>
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</template>
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<script>
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import { MENU_FYSP, MENU_FYTZ, MENU_FYPW } from '@/constants/index';
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export default {
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name: 'CoreSiderMenu',
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props: {
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collapse: {
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type: Boolean,
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default: false
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}
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},
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emits: ['navPage'],
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data() {
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return {
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popVisible: false,
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menuHeight: '80vh',
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title: '生态环境线上监管',
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subTitle: '©上海飞羽环保科技有限公司',
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sysIndex: 0,
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sysNames: [
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{ name: '飞羽监管', des: '' },
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{ name: '飞羽环境', des: '' },
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{ name: '排污抽运', des: '' }
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]
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};
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},
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computed: {
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homePage() {
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const paths = this.menuPath(this.menus[0]);
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return paths[paths.length - 1].path;
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},
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sysName() {
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return this.sysNames[this.sysIndex].name;
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},
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menus() {
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return [MENU_FYSP, MENU_FYTZ, MENU_FYPW][this.sysIndex];
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}
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},
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methods: {
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handleOpen() {},
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handleClose() {},
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choseSys(i) {
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this.sysIndex = i;
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const paths = this.menuPath(this.menus[0]);
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this.navPage(...paths);
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const p = paths[paths.length - 1].path;
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this.$router.push(p);
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this.popVisible = false;
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},
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navPage(...item) {
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const titles = item.map((value) => {
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return value.name;
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});
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this.$emit('navPage', titles);
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},
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calMenuHeight() {
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const h1 = this.$refs.headerRef.$el.offsetHeight;
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const h2 = this.$refs.header2Ref.$el.offsetHeight;
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// const h3 = this.$refs.subTitleRef.$el.offsetHeight;
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const h3 = 0;
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return `calc(100vh - ${h1}px - ${h2}px - ${h3}px)`;
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},
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menuPath(m) {
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if (m.children) {
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const arr = this.menuPath(m.children);
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arr.shift(m);
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return arr;
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} else {
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return [m];
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}
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}
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},
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created() {
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this.$router.push(this.homePage);
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this.navPage(...this.menuPath(this.menus[0]));
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},
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mounted() {
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this.menuHeight = this.calMenuHeight();
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}
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};
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</script>
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<style scoped>
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.header {
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color: white;
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background-color: #454f5a;
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padding: 10px;
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/* margin-bottom: 10px; */
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box-shadow: 0 0.4rem 0.7rem 0 #5d656e;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.title {
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display: flex;
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align-items: center;
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justify-content: space-between;
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}
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.sub-title {
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/* background-color: aqua; */
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position: absolute;
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left: 0;
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right: 0;
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bottom: 0;
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color: white;
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line-height: 40px;
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font-size: 12px;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.el-menu-vertical-demo:not(.el-menu--collapse) {
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/* width: 200px; */
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min-height: 100vh;
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/* max-height: 100vh; */
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}
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.el-menu--collapse {
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min-height: 100vh;
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}
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.fy-button-div {
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white-space: nowrap;
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}
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</style>
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