Vue项目中实现再次点击左侧菜单栏时,刷新对应的页面

会使用到Vue中的 provide/inject

1、首先在父组件设置 provide

<template>
  <div :class="classObj" class="app-wrapper">
    <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside" />
    <!-- 顶部导航栏 -->
    <top-nav ref="topNavContainer" :style="{background:theme}" class="top-nav-container" @openTheme="openThemeHandler" />
    <!-- 底部容器(左侧菜单栏+右侧内容) -->
    <div class="page-content-container clearfix">
      <sidebar class="sidebar-container" />
      <div :class="{hasTagsView:needTagsView}" class="main-container">
        <div :class="{'fixed-header':fixedHeader}">
          <!-- 隐藏全局导航栏 -->
          <!--<navbar />-->
          <tags-view v-if="needTagsView" />
        </div>
        <app-main v-if="isRouterAlive" />
        <!-- 回到顶部 -->
        <el-backtop target=".main-container">
          <div class="my-backtop">UP</div>
        </el-backtop>
        <!--  -->
        <right-panel :is-show="isOpenTheme" @close="isOpenTheme = false">
          <settings />
        </right-panel>
      </div>
    </div>
  </div>
</template>

<script>
import RightPanel from '@/components/RightPanel'
import { AppMain, Navbar, Settings, Sidebar, TagsView, TopNav } from './components'
import ResizeMixin from './mixin/ResizeHandler'
import { mapState } from 'vuex'
export default {
  name: 'Layout',
  components: {
    AppMain,
    Navbar,
    RightPanel,
    Settings,
    Sidebar,
    TagsView,
    TopNav
  },
  mixins: [ResizeMixin],
  computed: {
    ...mapState({
      sidebar: state => state.app.sidebar,
      device: state => state.app.device,
      showSettings: state => state.settings.showSettings,
      needTagsView: state => state.settings.tagsView,
      fixedHeader: state => state.settings.fixedHeader,
      theme: state => state.settings.theme
    }),
    classObj() {
      return {
        hideSidebar: !this.sidebar.opened,
        openSidebar: this.sidebar.opened,
        withoutAnimation: this.sidebar.withoutAnimation,
        mobile: this.device === 'mobile'
      }
    }
  },
  data() {
    return {
      activeIndex2: '1',
      isOpenTheme: false,
      isRouterAlive: true
    }
  },
  created() {

  },
  provide() {
    return {
      reload: this.reload
    }
  },
  methods: {
    reload() {
      this.isRouterAlive = false
      this.$nextTick(() => {
        this.isRouterAlive = true
      })
    },
    openThemeHandler() {
      console.log('打开主题')
      this.isOpenTheme = true
    },
    handleClickOutside() {
      this.$store.dispatch('app/closeSideBar', { withoutAnimation: false })
    },
    handleSelect(key, keyPath) {
      console.log(key, keyPath)
    }
  }
}
</script>

<style lang="scss" scoped>
  @import "~@/styles/mixin.scss";
  @import "~@/styles/variables.scss";

  .app-wrapper {
    @include clearfix;
    position: relative;
    height: 100%;
    width: 100%;

    &.mobile.openSidebar {
      position: fixed;
      top: 0;
    }

    .page-content-container {
      height: calc(100% - 50px);

      .my-backtop {
        height: 100%;
        width: 100%;
        background-color: #f2f5f6;
        box-shadow: 0 0 6px rgba(0,0,0, .12);
        text-align: center;
        line-height: 40px;
        color: #1989fa;
      }
    }
  }

  .drawer-bg {
    background: #000;
    opacity: 0.3;
    width: 100%;
    top: 0;
    height: 100%;
    position: absolute;
    z-index: 999;
  }

  .fixed-header {
    position: fixed;
    top: 50px;
    right: 0;
    z-index: 9;
    width: calc(100% - #{$sideBarWidth});
    transition: width 0.28s;
    box-shadow: 0 2px 4px rgb(0 0 0 / 12%), 0 0 6px rgb(0 0 0 / 4%);
  }

  .hideSidebar .fixed-header {
    width: calc(100% - 54px)
  }

  .mobile .fixed-header {
    width: 100%;
  }
</style>

然后再子组件中调用父组件中的reload函数

<template>
  <div :class="{'has-logo':showLogo}">
    <!--    <logo v-if="showLogo" :collapse="isCollapse" />-->
    <el-scrollbar wrap-class="scrollbar-wrapper">

      <!--
       :default-openeds="['/example','/nested']" // 添加本行代码表示默认展开的菜单
        :background-color="variables.menuBg"
        :text-color="variables.menuText"
        :active-text-color="variables.menuActiveText"
        $route.fullPath
        :default-active="activeMenu"
      -->
      <el-menu
        :default-active="activeMenu"
        :collapse="isCollapse"
        :unique-opened="true"
        :background-color="variables.menuBg"
        :text-color="variables.menuText"
        :collapse-transition="false"
        mode="vertical"
        router
        @select="handleSelect"
      >
        <!-- :key="route.path"  -->
        <sidebar-item v-for="route in permissionRoutes.children" :key="'/'+permissionRoutes.path+'/'+route.path" :item="route" :base-path="'/'+permissionRoutes.path+'/'+route.path" />

        <!--一级菜单 -->
        <!--        <el-submenu v-for="(item,index) in permissionRoutes.children" :key="index" :index="index+''">-->
        <!--          <!– 一级菜单模板 –>-->
        <!--          <template slot="title">-->
        <!--            <!– 一级菜单图标 –>-->
        <!--            <svg-icon class-name="search-icon" :icon-class="item.icon" />-->
        <!--            <!– 一级菜单标题 –>-->
        <!--            <span v-text="item.authName" />-->
        <!--          </template>-->
        <!--          <!–-->
        <!--                  二级菜单-->
        <!--                   /campus/mechanism/base-->
        <!--                   :index="'/'+childrenTtem.path" 表示以服务器返回的path 为 路由跳转路径-->
        <!--                   例如:childrenTtem.path 的值为 user, 然后加上 '/' 即为跳转路径-->
        <!--                   –>-->
        <!--          <el-menu-item v-for="(childrenTtem,childrenIndex) in item.children" :key="childrenIndex" :index="'/'+permissionRoutes.path+'/'+item.path+'/'+childrenTtem.path">-->
        <!--            <!– 二级菜单模板 –>-->
        <!--            <template slot="title">-->
        <!--              <!– 二级菜单图标 –>-->
        <!--              <i class="el-icon-menu" />-->
        <!--              <!– 二级菜单标题 –>-->
        <!--              <span v-text="childrenTtem.authName" />-->
        <!--            </template>-->
        <!--          </el-menu-item>-->
        <!--        </el-submenu>-->

        <!--<div v-for="(menuItem,index) in permissionRoutes.children" :key="index">
          <!– 一级菜单 –>
          <el-submenu v-if="menuItem.children.length>1" :index="index+''">
            <!– 一级菜单模板 –>
            <template slot="title">
              <!– 一级菜单图标 –>
              <svg-icon class-name="search-icon" :icon-class="menuItem.icon" />
              <!– 一级菜单标题 –>
              <span v-text="menuItem.authName" />
            </template>
            <!–
            二级菜单
             /campus/mechanism/base
             :index="'/'+childrenTtem.path" 表示以服务器返回的path 为 路由跳转路径
             例如:childrenTtem.path 的值为 user, 然后加上 '/' 即为跳转路径
             –>
            <el-menu-item v-for="(childrenTtem,childrenIndex) in menuItem.children" :key="childrenIndex" :index="'/'+permissionRoutes.path+'/'+menuItem.path+'/'+childrenTtem.path">
              <!– 二级菜单模板 –>
              <template slot="title">
                <!– 二级菜单图标 –>
                <i class="el-icon-menu" />
                <!– 二级菜单标题 –>
                <span v-text="childrenTtem.authName" />
              </template>
            </el-menu-item>
          </el-submenu>
        </div>-->

      </el-menu>
    </el-scrollbar>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import Logo from './Logo'
import SidebarItem from './SidebarItem'
import variables from '@/styles/variables.scss'

export default {
  components: { SidebarItem, Logo },
  inject: ['reload'],
  computed: {
    ...mapGetters([
      'permission_routes',
      'sidebar',
      'permissionRoutes'
    ]),
    activeMenu() {
      const route = this.$route
      const { meta, path } = route
      console.log('Sidebar-meta', meta)
      console.log('Sidebar-path', path)
      // 如果设置路径,侧边栏将突出显示您设置的路径
      if (meta.activeMenu) {
        return meta.activeMenu
      }
      return path
    },
    showLogo() {
      return this.$store.state.settings.sidebarLogo
    },
    variables() {
      return variables
    },
    isCollapse() {
      return !this.sidebar.opened
    }
  },
  watch: {
    $route(route) {
      console.log('Sidebar--', route)
    }
  },
  created() {
    console.log('Sidebar-this.permission_routes', this.permission_routes)
    console.log('Sidebar-this.permissionRoutes', this.permissionRoutes)
  },
  mounted() {

  },
  methods: {
    handleSelect(key, keyPath) {
      const route = this.$route
      const { path } = route
      if (key === path) {
        this.reload()
      }
    }
  }
}
</script>
如果觉得文章有帮助到你,可以扫描以下二维码
   请本文作者 喝一杯
pay_weixin pay_weixin

发表评论

电子邮件地址不会被公开。 必填项已用*标注