Vue3实现刷新页面局部内容的示例代码

import { defineStore } from 'pinia'
export const useAppStore = defineStore({
  id: 'app',
  state: () =>
    ({
      isRouterAlive: true,
      isLoading: false
    } as { isRouterAlive: boolean; isLoading: boolean })
})

<template>
  <div class="common-layout">
    <el-container>
      <SideMenuView :collapse="isCollapse"></SideMenuView>
      <el-container>
        <NavMenuView v-model:collapse="isCollapse"></NavMenuView>
        <TabsView></TabsView>
        <!--核心 start-->
        <el-main
          v-loading="appStore.isLoading"
          element-loading-text="页面加载中……"
          element-loading-background="rgba(0, 0, 0, 0.8)"
        >
          <router-view v-if="appStore.isRouterAlive"> </router-view>
        </el-main>
        <!--核心 end-->
        <el-footer>Footer</el-footer>
      </el-container>
    </el-container>
  </div>
</template>

<script setup lang="ts">
import SideMenuView from './SideMenuView.vue'
import NavMenuView from './NavMenuView.vue'
import TabsView from './TabsView.vue'
import { useAppStore } from '@/stores/app'
const appStore = useAppStore()
const isCollapse = ref(false)
</script>

<style lang="scss" scoped>
…… CSS样式
</style>

<template>
  <div
    class="tabs-item cursor-pointer arrow-down"
    ref="buttonRef"
    @click="onClickOutside"
  >
    <el-icon><ArrowDownBold /></el-icon>
  </div>
  <el-popover
    ref="popoverRef"
    trigger="hover"
    virtual-triggering
    :virtual-ref="buttonRef"
  >
    <div class="arrow-down-item" @click="handleCommand('refresh')">刷新</div>
    <div class="arrow-down-item" @click="handleCommand('closeOther')">
      关闭其他
    </div>
    <div class="arrow-down-item" @click="handleCommand('closeLeft')">
      关闭左侧
    </div>
    <div class="arrow-down-item" @click="handleCommand('closeRight')">
      关闭右侧
    </div>
  </el-popover>
</template>

<script setup lang="ts">
import { CloseBold, ArrowDownBold } from '@element-plus/icons-vue'
import type { MenuItem } from '@/interface/menu'
import { useMenuRouterStore } from '@/stores/menu-router'
import { useTabsStore } from '@/stores/tabs'
import { useAppStore } from '@/stores/app'
const router = useRouter()
const menuRouterStore = useMenuRouterStore()
const tabsStore = useTabsStore()
const appStore = useAppStore()
// tabs功能操作
const buttonRef = ref()
const popoverRef = ref()
const onClickOutside = () => {
  unref(popoverRef).popperRef?.delayHide?.()
}
const handleCommand = (command: string) => {
  if (command === 'refresh') {
    appStore.isLoading = true // 展示数据加载状态
    appStore.isRouterAlive = false // 设置为false，卸载dom
    setTimeout(() => { // 此处采用了定时器，并没有采用网上比较常见的nextTick
      appStore.isRouterAlive = true // 设置为true，重新挂载dom
      appStore.isLoading = false // 隐藏数据加载状态
    }, 500)
  } else if (command === 'closeOther') {
    tabsStore.closeOther()
  } else {
    tabsStore.closeLeftOrRight(command)
  }
}
// ……
</script>

<style lang="scss" scoped>
…… CSS样式
</style>