crawler-plugin/admin-frontend-vue/src/layout/AdminLayout.vue

<script setup lang="ts">
import { computed, ref, watch } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { ElMessage } from 'element-plus'
import { useAdminSessionStore } from '@/stores/admin-session'
import { joinAdminPath } from '@/config/app'
import { pageTitleOf, topbarUserOf } from '@/layout/topbar-model'
import { groupKeysForActive, toSidebarEntries } from '@/layout/menu-mapper'
import {
  EMPTY_MENU_DESCRIPTION,
  EMPTY_MENU_TITLE,
  shouldShowEmptyMenu,
} from '@/layout/empty-state'
import GlobalErrorContainer from '@/layout/GlobalErrorContainer.vue'
import { initialCollapsed, toggleCollapsed, writeCollapsePreference } from '@/layout/sidebar-collapse'
import { crumbsForActiveRoute, resolveDocumentTitle, updateDocumentTitle } from '@/layout/title-breadcrumb'

const route = useRoute()
const router = useRouter()
const session = useAdminSessionStore()
const collapsed = ref(readInitialCollapse())

function readInitialCollapse(): boolean {
  const storage = typeof window !== 'undefined' ? window.localStorage : null
  const width = typeof window !== 'undefined' ? window.innerWidth : 0
  return initialCollapsed(width, storage)
}

function setCollapsed(value: boolean): void {
  collapsed.value = value
  if (typeof window !== 'undefined') writeCollapsePreference(window.localStorage, value)
}

function toggleSidebar(): void {
  setCollapsed(toggleCollapsed(collapsed.value))
}

const activePath = computed(() => route.path)
const menuEntries = computed(() => toSidebarEntries(session.menuTree))
const openedKeys = computed(() => groupKeysForActive(menuEntries.value, route.path))
const emptyMenu = computed(() => shouldShowEmptyMenu(menuEntries.value.length > 0, session.loading, session.initialized))
const pageTitle = computed(() => pageTitleOf(route.meta.title))
const userVm = computed(() => topbarUserOf(session.user))
const breadcrumbs = computed(() => crumbsForActiveRoute(session.menuTree, route.path))
const logoUrl = joinAdminPath('assets', 'logo.jpg')

watch(
  pageTitle,
  (title) => updateDocumentTitle(resolveDocumentTitle(title), typeof document !== 'undefined' ? document : null),
  { immediate: true },
)

async function signOut() {
  try {
    await session.signOut()
  } catch (error) {
    ElMessage.error(error instanceof Error ? error.message : '退出登录失败')
  }
}
</script>

<template>
  <div class="admin-shell" :class="{ 'is-collapsed': collapsed }">
    <aside class="admin-sidebar">
      <div class="admin-brand">
        <img :src="logoUrl" alt="数富AI" class="admin-brand-logo" />
        <div v-if="!collapsed" class="admin-brand-copy">
          <strong>数富AI</strong>
          <span>电商运营管理后台</span>
        </div>
      </div>

      <el-scrollbar class="admin-menu-scroll">
        <el-menu :default-active="activePath" :default-openeds="openedKeys" :collapse="collapsed" router class="admin-menu">
          <template v-for="entry in menuEntries" :key="entry.key">
            <el-sub-menu v-if="entry.kind === 'group'" :index="entry.key">
              <template #title>
                <span class="menu-group-title">{{ entry.name }}</span>
              </template>
              <el-menu-item v-for="item in entry.children" :key="item.key" :index="item.route">
                {{ item.name }}
              </el-menu-item>
            </el-sub-menu>
            <el-menu-item v-else :key="entry.key" :index="entry.route">
              {{ entry.name }}
            </el-menu-item>
          </template>
        </el-menu>
        <el-empty v-if="emptyMenu" :description="EMPTY_MENU_TITLE" :image-size="72" />
      </el-scrollbar>

      <button class="sidebar-collapse" type="button" @click="toggleSidebar">
        {{ collapsed ? '展开菜单' : '收起菜单' }}
      </button>
    </aside>

    <section class="admin-main">
      <header class="admin-topbar">
        <div>
          <div class="admin-kicker">运营管理控制台</div>
          <h1>{{ pageTitle }}</h1>
        </div>
        <div class="admin-user">
          <div class="admin-user-meta">
            <strong>{{ userVm.username }}</strong>
            <span v-if="userVm.role">{{ userVm.role }}</span>
          </div>
          <el-button text type="danger" @click="signOut">退出登录</el-button>
        </div>
      </header>
      <main class="admin-content">
        <el-breadcrumb v-if="breadcrumbs.length > 1" class="admin-breadcrumb" separator="/">
          <el-breadcrumb-item v-for="crumb in breadcrumbs" :key="crumb.key">{{ crumb.name }}</el-breadcrumb-item>
        </el-breadcrumb>
        <GlobalErrorContainer />
        <el-alert v-if="session.error" :title="session.error" type="error" show-icon :closable="false" />
        <el-empty
          v-if="emptyMenu && route.path === '/'"
          :title="EMPTY_MENU_TITLE"
          :description="EMPTY_MENU_DESCRIPTION"
          :image-size="96"
        />
        <RouterView v-else />
      </main>
    </section>
  </div>
</template>