zhangwei
4 天以前 cfb72890898236afab5e691fc11abd620b3f157f
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<template>
    <div class="el-menu-horizontal-warp">
        <el-menu router :default-active="state.defaultActive" background-color="transparent" mode="horizontal">
            <template v-for="val in menuLists">
                <el-sub-menu :index="val.path" v-if="val.children && val.children.length > 0" :key="val.path">
                    <template #title>
                        <SvgIcon :name="val.meta.icon" />
                        <span>{{ $t(val.meta.title) }}</span>
                    </template>
                    <SubItem :chil="val.children" />
                </el-sub-menu>
                <template v-else>
                    <el-menu-item :index="val.path" :key="val.path">
                        <template #title v-if="!val.meta.isLink || (val.meta.isLink && val.meta.isIframe)">
                            <SvgIcon :name="val.meta.icon" />
                            {{ $t(val.meta.title) }}
                        </template>
                        <template #title v-else>
                            <a class="w100" @click.prevent="onALinkClick(val)">
                                <SvgIcon :name="val.meta.icon" />
                                {{ $t(val.meta.title) }}
                            </a>
                        </template>
                    </el-menu-item>
                </template>
            </template>
        </el-menu>
    </div>
</template>
 
<script setup lang="ts" name="navMenuHorizontal">
import { defineAsyncComponent, reactive, computed, onBeforeMount } from 'vue';
import { useRoute, onBeforeRouteUpdate, RouteRecordRaw } from 'vue-router';
import { storeToRefs } from 'pinia';
import { useRoutesList } from '/@/stores/routesList';
import { useThemeConfig } from '/@/stores/themeConfig';
import other from '/@/utils/other';
import mittBus from '/@/utils/mitt';
 
// 引入组件
const SubItem = defineAsyncComponent(() => import('/@/layout/navMenu/subItem.vue'));
 
// 定义父组件传过来的值
const props = defineProps({
    // 菜单列表
    menuList: {
        type: Array<RouteRecordRaw>,
        default: () => [],
    },
});
 
// 定义变量内容
const stores = useRoutesList();
const storesThemeConfig = useThemeConfig();
const { routesList } = storeToRefs(stores);
const { themeConfig } = storeToRefs(storesThemeConfig);
const route = useRoute();
const state = reactive({
    defaultActive: '' as string | undefined,
});
 
// 获取父级菜单数据
const menuLists = computed(() => {
    return <RouteItems>props.menuList;
});
// 路由过滤递归函数
const filterRoutesFun = <T extends RouteItem>(arr: T[]): T[] => {
    return arr
        .filter((item: T) => !item.meta?.isHide)
        .map((item: T) => {
            item = Object.assign({}, item);
            if (item.children) item.children = filterRoutesFun(item.children);
            return item;
        });
};
// 传送当前子级数据到菜单中
const setSendClassicChildren = (path: string) => {
    const currentPathSplit = path.split('/');
    let currentData: MittMenu = { children: [] };
    filterRoutesFun(routesList.value).map((v, k) => {
        if (v.path === `/${currentPathSplit[1]}`) {
            v['k'] = k;
            currentData['item'] = { ...v };
            currentData['children'] = [{ ...v }];
            if (v.children) currentData['children'] = v.children;
        }
    });
    return currentData;
};
// 设置页面当前路由高亮
const setCurrentRouterHighlight = (currentRoute: RouteToFrom) => {
    const { path, meta } = currentRoute;
    if (themeConfig.value.layout === 'classic') {
        state.defaultActive = `/${path?.split('/')[1]}`;
    } else {
        const pathSplit = meta?.isDynamic ? meta.isDynamicPath!.split('/') : path!.split('/');
        if (pathSplit.length >= 4 && meta?.isHide) state.defaultActive = pathSplit.splice(0, 3).join('/');
        else state.defaultActive = path;
    }
};
// 打开外部链接
const onALinkClick = (val: RouteItem) => {
    other.handleOpenLink(val);
};
// 页面加载前
onBeforeMount(() => {
    setCurrentRouterHighlight(route);
});
// 路由更新时
onBeforeRouteUpdate((to) => {
    // 修复:https://gitee.com/lyt-top/vue-next-admin/issues/I3YX6G
    setCurrentRouterHighlight(to);
    // 修复经典布局开启切割菜单时,点击tagsView后左侧导航菜单数据不变的问题
    let { layout, isClassicSplitMenu } = themeConfig.value;
    if (layout === 'classic' && isClassicSplitMenu) {
        mittBus.emit('setSendClassicChildren', setSendClassicChildren(to.path));
    }
});
</script>
 
<style scoped lang="scss">
.el-menu-horizontal-warp {
    flex: 1;
    overflow: hidden;
    margin-right: 30px;
    :deep(.el-scrollbar__bar.is-vertical) {
        display: none;
    }
    :deep(a) {
        width: 100%;
    }
    .el-menu.el-menu--horizontal {
        display: flex;
        height: 100%;
        width: 100%;
        box-sizing: border-box;
    }
}
</style>