mayfly-go/mayfly_go_web/src/views/layout/navBars/breadcrumb/search.vue

<template>
    <div class="layout-search-dialog">
        <el-dialog v-model="isShowSearch" width="300px" destroy-on-close :modal="false" fullscreen :show-close="false">
            <el-autocomplete
                v-model="menuQuery"
                :fetch-suggestions="menuSearch"
                placeholder="菜单搜索"
                prefix-icon="el-icon-search"
                ref="layoutMenuAutocompleteRef"
                @select="onHandleSelect"
                @blur="onSearchBlur"
            >
                <template #prefix>
                    <el-icon class="el-input__icon">
                        <search />
                    </el-icon>
                </template>
                <template #default="{ item }">
                    <div><SvgIcon :name="item.meta.icon" class="mr5" />{{ item.meta.title }}</div>
                </template>
            </el-autocomplete>
        </el-dialog>
    </div>
</template>

<script lang="ts">
import { reactive, toRefs, defineComponent, ref, nextTick } from 'vue';
import { useRouter } from 'vue-router';
import { useStore } from '@/store/index.ts';
export default defineComponent({
    name: 'layoutBreadcrumbSearch',
    setup() {
        const layoutMenuAutocompleteRef = ref();
        const store = useStore();
        const router = useRouter();
        const state: any = reactive({
            isShowSearch: false,
            menuQuery: '',
            tagsViewList: [],
        });
        // 搜索弹窗打开
        const openSearch = () => {
            state.menuQuery = '';
            state.isShowSearch = true;
            initTageView();
            nextTick(() => {
                layoutMenuAutocompleteRef.value.focus();
            });
        };
        // 搜索弹窗关闭
        const closeSearch = () => {
            state.isShowSearch = false;
        };
        // 菜单搜索数据过滤
        const menuSearch = (queryString: any, cb: any) => {
            let results = queryString ? state.tagsViewList.filter(createFilter(queryString)) : state.tagsViewList;
            cb(results);
        };
        // 菜单搜索过滤
        const createFilter = (queryString: any) => {
            return (restaurant: any) => {
                return (
                    restaurant.path.toLowerCase().indexOf(queryString.toLowerCase()) > -1 ||
                    restaurant.meta.title.toLowerCase().indexOf(queryString.toLowerCase()) > -1
                );
            };
        };
        // 初始化菜单数据
        const initTageView = () => {
            if (state.tagsViewList.length > 0) return false;
            console.log(getRoutes(store.state.routesList.routesList));
            getRoutes(store.state.routesList.routesList).map((v: any) => {
                if (!v.meta.isHide) {
                    state.tagsViewList.push({ ...v });
                }
            });
        };
        // 获取所有根节点的route，即可访问的route
        const getRoutes = (routes: any) => {
            const menu: any = [];
            for (let i = 0; i < routes.length; i++) {
                const item = { ...routes[i] };
                if (item.children) {
                    getRoutes(item.children).forEach((r: any) => {
                        menu.push(r);
                    });
                    continue;
                }
                menu.push(item);
            }
            return menu;
        };

        // 当前菜单选中时
        const onHandleSelect = (item: any) => {
            let { path, redirect } = item;
            if (item.meta.link && !item.meta.isIframe) window.open(item.meta.link);
            else if (redirect) router.push(redirect);
            else router.push(path);
            closeSearch();
        };
        // input 失去焦点时
        const onSearchBlur = () => {
            closeSearch();
        };
        return {
            layoutMenuAutocompleteRef,
            openSearch,
            closeSearch,
            menuSearch,
            onHandleSelect,
            onSearchBlur,
            ...toRefs(state),
        };
    },
});
</script>

<style scoped lang="scss">
.layout-search-dialog {
    ::v-deep(.el-dialog) {
        box-shadow: unset !important;
        border-radius: 0 !important;
        background: rgba(0, 0, 0, 0.5);
    }
    ::v-deep(.el-autocomplete) {
        width: 560px;
        position: absolute;
        top: 100px;
        left: 50%;
        transform: translateX(-50%);
    }
}
</style>