<template>
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<el-menu
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:default-active="activeMenu"
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mode="horizontal"
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@select="handleSelect"
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:ellipsis="false"
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>
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<template v-for="(item, index) in topMenus">
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<el-menu-item :style="{'--theme': theme}" :index="item.path" :key="index" v-if="index < visibleNumber">
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<svg-icon
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v-if="item.meta && item.meta.icon && item.meta.icon !== '#'"
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:icon-class="item.meta.icon"/>
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{{ item.meta.title }}
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</el-menu-item>
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</template>
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<!-- 顶部菜单超出数量折叠 -->
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<el-sub-menu :style="{'--theme': theme}" index="more" v-if="topMenus.length > visibleNumber">
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<template #title>更多菜单</template>
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<template v-for="(item, index) in topMenus">
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<el-menu-item
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:index="item.path"
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:key="index"
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v-if="index >= visibleNumber">
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<svg-icon
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v-if="item.meta && item.meta.icon && item.meta.icon !== '#'"
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:icon-class="item.meta.icon"/>
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{{ item.meta.title }}
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</el-menu-item>
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</template>
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</el-sub-menu>
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</el-menu>
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</template>
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<script setup>
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import { constantRoutes } from "@/router"
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import { isHttp } from '@/utils/validate'
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import useAppStore from '@/store/modules/app'
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import useSettingsStore from '@/store/modules/settings'
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import usePermissionStore from '@/store/modules/permission'
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// 顶部栏初始数
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const visibleNumber = ref(null);
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// 当前激活菜单的 index
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const currentIndex = ref(null);
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// 隐藏侧边栏路由
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const hideList = ['/index', '/user/profile'];
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const appStore = useAppStore()
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const settingsStore = useSettingsStore()
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const permissionStore = usePermissionStore()
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const route = useRoute();
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const router = useRouter();
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// 主题颜色
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const theme = computed(() => settingsStore.theme);
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// 所有的路由信息
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const routers = computed(() => permissionStore.topbarRouters);
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// 顶部显示菜单
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const topMenus = computed(() => {
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let topMenus = [];
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routers.value.map((menu) => {
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if (menu.hidden !== true) {
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// 兼容顶部栏一级菜单内部跳转
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if (menu.path === "/") {
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topMenus.push(menu.children[0]);
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} else {
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topMenus.push(menu);
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}
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}
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})
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return topMenus;
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})
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// 设置子路由
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const childrenMenus = computed(() => {
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let childrenMenus = [];
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routers.value.map((router) => {
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for (let item in router.children) {
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if (router.children[item].parentPath === undefined) {
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if(router.path === "/") {
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router.children[item].path = "/" + router.children[item].path;
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} else {
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if(!isHttp(router.children[item].path)) {
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router.children[item].path = router.path + "/" + router.children[item].path;
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}
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}
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router.children[item].parentPath = router.path;
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}
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childrenMenus.push(router.children[item]);
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}
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})
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return constantRoutes.concat(childrenMenus);
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})
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// 默认激活的菜单
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const activeMenu = computed(() => {
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const path = route.path;
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let activePath = path;
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if (path !== undefined && path.lastIndexOf("/") > 0 && hideList.indexOf(path) === -1) {
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const tmpPath = path.substring(1, path.length);
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activePath = "/" + tmpPath.substring(0, tmpPath.indexOf("/"));
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if (!route.meta.link) {
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appStore.toggleSideBarHide(false);
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}
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} else if(!route.children) {
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activePath = path;
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appStore.toggleSideBarHide(true);
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}
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activeRoutes(activePath);
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return activePath;
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})
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function setVisibleNumber() {
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const width = document.body.getBoundingClientRect().width / 3;
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visibleNumber.value = parseInt(width / 85);
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}
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function handleSelect(key, keyPath) {
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currentIndex.value = key;
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const route = routers.value.find(item => item.path === key);
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if (isHttp(key)) {
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// http(s):// 路径新窗口打开
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window.open(key, "_blank");
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} else if (!route || !route.children) {
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// 没有子路由路径内部打开
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const routeMenu = childrenMenus.value.find(item => item.path === key);
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if (routeMenu && routeMenu.query) {
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let query = JSON.parse(routeMenu.query);
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router.push({ path: key, query: query });
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} else {
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router.push({ path: key });
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}
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appStore.toggleSideBarHide(true);
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} else {
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// 显示左侧联动菜单
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activeRoutes(key);
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appStore.toggleSideBarHide(false);
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}
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}
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function activeRoutes(key) {
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let routes = [];
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if (childrenMenus.value && childrenMenus.value.length > 0) {
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childrenMenus.value.map((item) => {
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if (key == item.parentPath || (key == "index" && "" == item.path)) {
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routes.push(item);
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}
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});
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}
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if(routes.length > 0) {
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permissionStore.setSidebarRouters(routes);
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} else {
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appStore.toggleSideBarHide(true);
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}
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return routes;
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}
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onMounted(() => {
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window.addEventListener('resize', setVisibleNumber)
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})
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onBeforeUnmount(() => {
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window.removeEventListener('resize', setVisibleNumber)
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})
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onMounted(() => {
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setVisibleNumber()
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})
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</script>
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<style lang="scss" scoped>
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.topmenu-container.el-menu--horizontal > .el-menu-item {
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float: left;
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height: 50px !important;
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line-height: 50px !important;
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color: #999093 !important;
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padding: 0 5px !important;
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margin: 0 10px !important;
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}
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.topmenu-container.el-menu--horizontal > .el-menu-item.is-active, .el-menu--horizontal > .el-sub-menu.is-active .el-submenu__title {
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border-bottom: 2px solid #{'var(--theme)'} !important;
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color: #303133;
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}
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/* sub-menu item */
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.topmenu-container.el-menu--horizontal > .el-sub-menu .el-sub-menu__title {
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float: left;
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height: 50px !important;
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line-height: 50px !important;
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color: #999093 !important;
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padding: 0 5px !important;
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margin: 0 10px !important;
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}
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/* 背景色隐藏 */
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.topmenu-container.el-menu--horizontal>.el-menu-item:not(.is-disabled):focus, .topmenu-container.el-menu--horizontal>.el-menu-item:not(.is-disabled):hover, .topmenu-container.el-menu--horizontal>.el-submenu .el-submenu__title:hover {
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background-color: #ffffff !important;
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}
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/* 图标右间距 */
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.topmenu-container .svg-icon {
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margin-right: 4px;
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}
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/* topmenu more arrow */
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.topmenu-container .el-sub-menu .el-sub-menu__icon-arrow {
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position: static;
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vertical-align: middle;
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margin-left: 8px;
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margin-top: 0px;
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}
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</style>
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