wujingjing
2025-04-09 f17a10fa1490e4a1840997900770a43ce2ac7313
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<template>
    <el-container class="layout-container">
        <LayoutAside />
        <el-container class="layout-container-view h100">
            <el-scrollbar ref="layoutScrollbarRef" class="layout-backtop">
                <!-- <LayoutHeader /> -->
                <LayoutMain ref="layoutMainRef" />
            </el-scrollbar>
        </el-container>
    </el-container>
</template>
 
<script setup lang="ts" name="layoutDefaults">
import { defineAsyncComponent, watch, onMounted, nextTick, ref } from 'vue';
import { useRoute } from 'vue-router';
import { storeToRefs } from 'pinia';
import { useThemeConfig } from '/@/stores/themeConfig';
import { NextLoading } from '/@/utils/loading';
 
// 引入组件
const LayoutAside = defineAsyncComponent(() => import('/@/layout/component/aside.vue'));
const LayoutHeader = defineAsyncComponent(() => import('/@/layout/component/header.vue'));
const LayoutMain = defineAsyncComponent(() => import('/@/layout/component/main.vue'));
 
// 定义变量内容
const layoutScrollbarRef = ref<RefType>('');
const layoutMainRef = ref<InstanceType<typeof LayoutMain>>();
const route = useRoute();
const storesThemeConfig = useThemeConfig();
const { themeConfig } = storeToRefs(storesThemeConfig);
 
// 重置滚动条高度
const updateScrollbar = () => {
    // 更新父级 scrollbar
    layoutScrollbarRef.value.update();
    // 更新子级 scrollbar
    layoutMainRef.value!.layoutMainScrollbarRef.update();
};
// 重置滚动条高度,由于组件是异步引入的
const initScrollBarHeight = () => {
    nextTick(() => {
        setTimeout(() => {
            updateScrollbar();
            layoutScrollbarRef.value.wrapRef.scrollTop = 0;
            layoutMainRef.value!.layoutMainScrollbarRef.wrapRef.scrollTop = 0;
        }, 500);
    });
};
// 页面加载时
onMounted(() => {
    initScrollBarHeight();
    NextLoading.done(600);
});
// 监听路由的变化,切换界面时,滚动条置顶
watch(
    () => route.path,
    () => {
        initScrollBarHeight();
    }
);
// 监听 themeConfig 配置文件的变化,更新菜单 el-scrollbar 的高度
watch(
    themeConfig,
    () => {
        updateScrollbar();
    },
    {
        deep: true,
    }
);
</script>