006_左侧公共导航菜单（vue+element）

001_左侧公共导航菜单(h3)

• \src\components\CommonAside.vue

<template>
  <el-menu default-active="2" class="el-menu-vertical-demo" background-color="#545c64" text-color="#fff" active-text-color="#ffd04b">
    <!-- 有子级菜单-->
    <el-submenu index="1">
      <template slot="title">
        <i class="el-icon-location"></i>
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <el-menu-item index="1-1">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
    </el-submenu>
    <!-- 无子级菜单-->
    <el-menu-item index="2">
      <i class="el-icon-menu"></i>
      <span slot="title">导航二</span>
    </el-menu-item>
  </el-menu>
</template>

<script>
export default {}
</script>

<style lang="scss" scoped>
.el-menu {
  //使侧边栏占满屏幕高度
  height: 100%;
  border: none;
}
</style>

• 浏览器界面

• \src\components\CommonAside.vue

<template>
  <el-menu default-active="2" class="el-menu-vertical-demo" background-color="#545c64" text-color="#fff" active-text-color="#ffd04b">
    <!-- 无子级菜单-->
    <el-menu-item :index="item.path" v-for="item in noChildren" :key="item.path">
      <i :class="'el-icon-' + item.icon"></i>
      <span slot="title">{{ item.label }}</span>
    </el-menu-item>
    <!-- 有子级菜单-->
    <el-submenu index="2" v-for="(item, index) in hasChildren" :key="index">
      <template slot="title">
        <i :class="'el-icon-' + item.icon"></i>
        <span>{{ item.label }}</span>
      </template>
      <el-menu-item-group>
        <el-menu-item index="subItem.path" v-for="(subItem, subIndex) in item.children" :key="subIndex">
          <i :class="'el-icon-' + subItem.icon"></i>
          <span>{{ subItem.label }}</span>
        </el-menu-item>
      </el-menu-item-group>
    </el-submenu>
  </el-menu>
</template>

<script>
export default {
  computed: {
    noChildren() {
      return this.asideMenu.filter(item => !item.children)
    },
    hasChildren() {
      return this.asideMenu.filter(item => item.children)
    }
  },
  data() {
    //返回一个数组，通过数组的方式循环渲染出来
    return {
      asideMenu: [
        {
          path: '/',
          name: 'Home',
          label: '首页',
          icon: 's-home'
        },
        {
          label: '其他',
          icon: 'user',
          children: [
            {
              path: '/page1',
              name: 'page1',
              label: '页面1',
              icon: 'setting'
            }
          ]
        }
      ]
    }
  },
  methods: {
    clickMenu(item) {
      this.$router.push({ name: item.name })
      this.$store.commit('selectMenu', item)
    }
  }
}
</script>

<style lang="scss" scoped>
.el-menu {
  //使侧边栏占满屏幕高度
  height: 100%;
  border: none;
}
</style>

• 浏览器界面