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vue3-element-admin/src/layout/index.vue

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<template>
<div class="layout" :class="layoutClass">
<!-- 移动端遮罩层 -->
<div v-if="isMobile && isSidebarOpen" class="layout__overlay" @click="handleCloseSidebar" />
<!-- 侧边栏 -->
<Sidebar class="layout__sidebar" />
<!-- 混合布局 -->
<div v-if="layout === LayoutMode.MIX" class="layout__container">
<!-- 左侧菜单栏 -->
<div class="layout__sidebar--left">
<el-scrollbar>
<SidebarMenu :data="mixedLayoutLeftRoutes" :base-path="activeTopMenuPath" />
</el-scrollbar>
<!-- 侧边栏切换按钮 -->
<div class="layout__sidebar-toggle">
<Hamburger :is-active="appStore.sidebar.opened" @toggle-click="handleToggleSidebar" />
</div>
</div>
<!-- 主内容区域 -->
<div :class="{ hasTagsView: isShowTagsView }" class="layout__main">
<TagsView v-if="isShowTagsView" />
<AppMain />
<Settings v-if="defaultSettings.showSettings" />
<!-- 返回顶部按钮 -->
<el-backtop target=".app-main">
<div class="i-svg:backtop w-6 h-6" />
</el-backtop>
</div>
</div>
<!-- 左侧或顶部布局的主内容区 -->
<div v-else :class="{ hasTagsView: isShowTagsView }" class="layout__main">
<NavBar v-if="layout === LayoutMode.LEFT" />
<TagsView v-if="isShowTagsView" />
<AppMain />
<Settings v-if="defaultSettings.showSettings" />
<!-- 返回顶部按钮 -->
<el-backtop target=".app-main">
<div class="i-svg:backtop w-6 h-6" />
</el-backtop>
</div>
</div>
</template>
<script setup lang="ts">
// 状态管理
import { useAppStore, useSettingsStore, usePermissionStore } from "@/store";
// 配置
import defaultSettings from "@/settings";
// 枚举
import { DeviceEnum } from "@/enums/settings/device.enum";
import { LayoutMode } from "@/enums/settings/layout.enum";
// 组件
import NavBar from "./components/NavBar/index.vue";
const appStore = useAppStore();
const settingsStore = useSettingsStore();
const permissionStore = usePermissionStore();
const width = useWindowSize().width;
// 常量
const WIDTH_DESKTOP = 992; // 响应式布局容器固定宽度(大屏 >=1200px中屏 >=992px小屏 >=768px
// 计算属性
const isMobile = computed(() => appStore.device === DeviceEnum.MOBILE); // 是否为移动设备
const isSidebarOpen = computed(() => appStore.sidebar.opened); // 侧边栏是否展开
const isShowTagsView = computed(() => settingsStore.tagsView); // 是否显示标签视图
const layout = computed(() => settingsStore.layout); // 当前布局模式left、top、mix
const activeTopMenuPath = computed(() => appStore.activeTopMenuPath); // 顶部菜单激活路径
const mixedLayoutLeftRoutes = computed(() => permissionStore.mixedLayoutLeftRoutes); // 混合布局左侧菜单路由
// 监听顶部菜单激活路径变化,更新混合布局左侧菜单路由
watch(
() => activeTopMenuPath.value,
(newVal: string) => {
permissionStore.setMixedLayoutLeftRoutes(newVal);
},
{ deep: true, immediate: true }
);
// 监听窗口宽度变化,调整设备类型和侧边栏状态
watchEffect(() => {
const isDesktop = width.value >= WIDTH_DESKTOP;
appStore.toggleDevice(isDesktop ? DeviceEnum.DESKTOP : DeviceEnum.MOBILE);
if (isDesktop) {
appStore.openSideBar();
} else {
appStore.closeSideBar();
}
});
// 监听路由变化,如果是移动设备且侧边栏展开,则关闭侧边栏
const route = useRoute();
watch(route, () => {
if (isMobile.value && isSidebarOpen.value) {
appStore.closeSideBar();
}
});
// 计算属性:布局样式
const layoutClass = computed(() => ({
hideSidebar: !appStore.sidebar.opened,
openSidebar: appStore.sidebar.opened,
mobile: appStore.device === DeviceEnum.MOBILE,
[`layout-${settingsStore.layout}`]: true,
}));
/**
* 处理遮罩层点击事件,关闭侧边栏
*/
function handleCloseSidebar() {
appStore.closeSideBar();
}
/**
* 处理切换侧边栏的展开/收起状态
*/
function handleToggleSidebar() {
appStore.toggleSidebar();
}
</script>
<style lang="scss" scoped>
.layout {
width: 100%;
height: 100%;
&__overlay {
position: fixed;
top: 0;
left: 0;
z-index: 999;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.3);
}
&__sidebar {
position: fixed;
top: 0;
bottom: 0;
left: 0;
z-index: 999;
width: $sidebar-width;
background-color: $menu-background;
transition: width 0.28s;
:deep(.el-menu) {
border: none;
}
}
&__main {
position: relative;
height: 100%;
margin-left: $sidebar-width;
overflow-y: auto;
transition: margin-left 0.28s;
.fixed-header {
position: sticky;
top: 0;
z-index: 9;
transition: width 0.28s;
}
}
}
// 占位符选择器
%layout__sidebar--horizontal {
width: 100% !important;
height: $navbar-height;
:deep(.el-scrollbar) {
flex: 1;
height: $navbar-height;
}
:deep(.el-menu-item),
:deep(.el-sub-menu__title),
:deep(.el-menu--horizontal) {
height: $navbar-height;
line-height: $navbar-height;
}
}
.layout-top {
.layout__sidebar {
position: sticky;
display: flex;
@extend %layout__sidebar--horizontal;
}
.layout__main {
height: calc(100vh - $navbar-height);
margin-left: 0;
}
}
.layout-mix {
.layout__sidebar {
@extend %layout__sidebar--horizontal;
}
.layout__container {
display: flex;
height: 100%;
padding-top: $navbar-height;
.layout__sidebar--left {
position: relative;
width: $sidebar-width;
height: 100%;
background-color: var(--menu-background);
:deep(.el-scrollbar) {
height: calc(100vh - $navbar-height - 50px);
}
:deep(.el-menu) {
height: 100%;
border: none;
}
.layout__sidebar-toggle {
position: absolute;
bottom: 0;
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 50px;
line-height: 50px;
box-shadow: 0 0 6px -2px var(--el-color-primary);
}
}
.layout__main {
flex: 1;
min-width: 0;
margin-left: 0;
}
}
}
.hideSidebar {
&.layout-left {
.layout__main {
margin-left: $sidebar-width-collapsed;
}
}
&.layout-top {
.layout__main {
margin-left: 0;
}
}
&.layout-mix {
.layout__sidebar {
width: 100%;
}
.layout__container {
.layout__sidebar--left {
width: $sidebar-width-collapsed;
}
}
}
}
.layout-left {
&.hideSidebar {
.layout__sidebar {
width: $sidebar-width-collapsed;
}
.layout__main {
margin-left: $sidebar-width-collapsed;
}
&.mobile {
.layout__sidebar {
pointer-events: none;
transform: translate3d(-$sidebar-width, 0, 0);
transition-duration: 0.3s;
}
.layout__main {
margin-left: 0;
}
}
}
&.openSidebar {
&.mobile {
.layout__main {
margin-left: 0;
}
}
}
}
</style>