4aba9b59
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<template>
<div :class="classObj" class="top-menu" id="topMenu">
<el-menu mode="horizontal" :unique-opened="true" :default-active="activeMenu">
<sidebar-item v-for="route in list" :key="route.enCode" :item="route" :base-path="route.path"
ref="sidebarItem" />
</el-menu>
</div>
</template>
<script>
import { mapGetters, mapState } from 'vuex'
import SidebarItem from './SidebarItem'
import variables from '@/styles/variables.scss'
import elementResizeDetectorMaker from 'element-resize-detector'
export default {
components: { SidebarItem },
computed: {
...mapGetters([
'permission_routes',
'sidebar',
'menuList'
]),
...mapState({
slideClass: state => state.settings.slideClass,
}),
classObj() {
return {
// [this.slideClass]: true
};
},
activeMenu() {
const route = this.$route
const { meta, path } = route
// if (meta.activeMenu) {
// return meta.activeMenu
// }
return path
},
showLogo() {
return this.$store.state.settings.sidebarLogo
},
variables() {
return variables
},
isCollapse() {
return !this.sidebar.opened
}
},
data() {
return {
list: []
}
},
created() {
let _this = this
this.$nextTick(() => {
// 监听页面宽度变化
let erd = elementResizeDetectorMaker({ strategy: "scroll" })
erd.listenTo(document.getElementById('topMenu'), function (element) {
let width = element.offsetWidth
let newList = []
let moreItem = {
path: "/menuMore",
children: [],
fullName: '更多 ...',
vueName: 'moreMenu',
icon: ''
}
let number = Math.floor(width / 116)
let length = _this.menuList.length
if (number >= length) return _this.list = _this.menuList
for (let i = 0; i < length; i++) {
const item = _this.menuList[i];
if (i < number - 1) {
newList.push(item)
} else {
moreItem.children.push(item)
}
}
if (moreItem.children.length) newList.push(moreItem)
_this.list = newList
});
})
}
}
</script>
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