本文是基于 permission-control 分支 模板添加 TagsView。


  • 拷贝文件

从 vue-element-admin 中复制以下文件：

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/src/layout/components/TagsView
/src/store/modules/tagsView.js
/src/views/redirect

  • 修改 src/layout/components/AppMain.vue 文件
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<template>
  <section class="app-main">
    <transition
      name="fade-transform"
      mode="out-in"
    >
      <!-- 1. 注释 -->
      <!-- <router-view :key="key" /> -->
      <!-- 2. 新增 -->
      <keep-alive :include="cachedViews">
        <router-view></router-view>
      </keep-alive>
    </transition>
  </section>
</template>

<script>
export default {
  name: 'AppMain',
  computed: {
    key() {
      return this.$route.path
    },
    // 3. 新增
    cachedViews() {
      return this.$store.state.tagsView.cachedViews
    }
  }
}
</script>

<style lang="scss" scoped>
.app-main {
  /*50 = navbar  */
  min-height: calc(100vh - 50px);
  width: 100%;
  position: relative;
  overflow: hidden;
}
.fixed-header + .app-main {
  padding-top: 50px;
}

// 4. 新增
.hasTagsView {
  .app-main {
    /* 84 = navbar + tags-view = 50 + 34 */
    min-height: calc(100vh - 84px);
  }

  .fixed-header + .app-main {
    padding-top: 84px;
  }
}
</style>

<style lang="scss">
// fix css style bug in open el-dialog
.el-popup-parent--hidden {
  .fixed-header {
    padding-right: 15px;
  }
}
</style>

  • 修改 src/layout/components/index.js 文件
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export { default as Navbar } from './Navbar'
export { default as Sidebar } from './Sidebar'
export { default as AppMain } from './AppMain'
export { default as TagsView } from './TagsView'  // 新增

  • 修改 src/layout/index.vue 文件
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<template>
  <div
    :class="classObj"
    class="app-wrapper"
  >
    <div
      v-if="device==='mobile'&&sidebar.opened"
      class="drawer-bg"
      @click="handleClickOutside"
    />
    <sidebar class="sidebar-container" />
    <!-- 1. 将 class 为 main-container 的标签替换如下 -->
    <div
      :class="{hasTagsView:needTagsView}"
      class="main-container"
    >
      <div :class="{'fixed-header':fixedHeader}">
        <navbar />
        <tags-view v-if="needTagsView" />
      </div>
      <app-main />
    </div>
  </div>
</template>

<script>
// 2. 新增 TagsView
import { Navbar, Sidebar, AppMain, TagsView } from './components'
import ResizeMixin from './mixin/ResizeHandler'

export default {
  name: 'Layout',
  components: {
    Navbar,
    Sidebar,
    AppMain,
    TagsView // 3. 新增
  },
  mixins: [ResizeMixin],
  computed: {
    sidebar() {
      return this.$store.state.app.sidebar
    },
    device() {
      return this.$store.state.app.device
    },
    fixedHeader() {
      return this.$store.state.settings.fixedHeader
    },
    // 4. 新增
    needTagsView() {
      return this.$store.state.settings.tagsView
    },
    classObj() {
      return {
        hideSidebar: !this.sidebar.opened,
        openSidebar: this.sidebar.opened,
        withoutAnimation: this.sidebar.withoutAnimation,
        mobile: this.device === 'mobile'
      }
    }
  },
  methods: {
    handleClickOutside() {
      this.$store.dispatch('app/closeSideBar', { withoutAnimation: false })
    }
  }
}
</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;
  }
}
.drawer-bg {
  background: #000;
  opacity: 0.3;
  width: 100%;
  top: 0;
  height: 100%;
  position: absolute;
  z-index: 999;
}

.fixed-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 9;
  width: calc(100% - #{$sideBarWidth});
  transition: width 0.28s;
}

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

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

  • 修改 src/store/getters.js 文件
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const getters = {
  sidebar: state => state.app.sidebar,
  device: state => state.app.device,
  token: state => state.user.token,
  avatar: state => state.user.avatar,
  name: state => state.user.name,
  roles: state => state.user.roles,
  permission_routes: state => state.permission.routes,

  // 新增
  visitedViews: state => state.tagsView.visitedViews,
  cachedViews: state => state.tagsView.cachedViews,
}
export default getters

  • 修改 src/store/index.js 文件
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import Vue from 'vue'
import Vuex from 'vuex'
import getters from './getters'
import app from './modules/app'
import permission from './modules/permission'
import settings from './modules/settings'
import user from './modules/user'

// 1. 新增
import tagsView from './modules/tagsView'

Vue.use(Vuex)

const store = new Vuex.Store({
  modules: {
    app,
    permission,
    settings,
    user,
    tagsView // 2. 新增
  },
  getters
})

export default store

  • 修改 src/store/modules/settings.js 文件
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import defaultSettings from '@/settings'

// 1. 新增 tagsView
const { showSettings, fixedHeader, sidebarLogo, tagsView } = defaultSettings

const state = {
  showSettings: showSettings,
  fixedHeader: fixedHeader,
  sidebarLogo: sidebarLogo,
  // 2. 新增
  tagsView: tagsView,
}

const mutations = {
  CHANGE_SETTING: (state, { key, value }) => {
    // eslint-disable-next-line no-prototype-builtins
    if (state.hasOwnProperty(key)) {
      state[key] = value
    }
  }
}

const actions = {
  changeSetting({ commit }, data) {
    commit('CHANGE_SETTING', data)
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

  • 修改 src/settings.js 文件
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module.exports = {

  title: 'Vue Admin Template',

  /**
   * @type {boolean} true | false
   * @description Whether fix the header
   */
  fixedHeader: true,

  /**
   * @type {boolean} true | false
   * @description Whether show the logo in sidebar
   */
  sidebarLogo: true,

  /**
   * @type {boolean} true | false
   * @description 是否显示 tagsView
 */
  tagsView: true
}

  • 修改 src/router/index.js 文件

添加此路由：

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{
  path: '/redirect',
  component: Layout,
  hidden: true,
  children: [
    {
      path: '/redirect/:path*',
      component: () => import('@/views/redirect/index')
    }
  ]
},

修改后的详细代码 - LqZww