scrm-vue/src/views/layout/components/Sidebar/SidebarItem.vue

<template>
  <div v-if="!item.hidden&&item.children" class="menu-wrapper">

      <!-- <router-link v-if="hasOneShowingChild(item.children) && !onlyOneChild.children&&!item.alwaysShow" :to="resolvePath(onlyOneChild.path)">
        <el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{'submenu-title-noDropdown':!isNest}">
          <svg-icon v-if="onlyOneChild.meta&&onlyOneChild.meta.icon" :icon-class="onlyOneChild.meta.icon"></svg-icon>
          <span v-if="onlyOneChild.meta&&onlyOneChild.meta.title" slot="title">{{generateTitle(onlyOneChild.meta.title)}}</span>
        </el-menu-item>
      </router-link>

      <el-submenu v-else :index="item.name||item.path">
        <template slot="title">
          <svg-icon v-if="item.meta&&item.meta.icon" :icon-class="item.meta.icon"></svg-icon>
          <span v-if="item.meta&&item.meta.title" slot="title">{{generateTitle(item.meta.title)}}</span>
        </template>

        <template v-for="child in item.children" v-if="!child.hidden">
          <sidebar-item :is-nest="true" class="nest-menu" v-if="child.children&&child.children.length>0" :item="child" :key="child.path" :base-path="resolvePath(child.path)"></sidebar-item>

          <template v-else>
              <el-menu-item v-if="child.unfinished == true" :key="child.name" @click.native="unfinishAction()"  :index="resolvePath(child.path)">
                <svg-icon v-if="child.meta&&child.meta.icon" :icon-class="child.meta.icon"></svg-icon>
                <span v-if="child.meta&&child.meta.title" slot="title">{{generateTitle(child.meta.title)}}</span>
              </el-menu-item>
            <router-link v-else :to="resolvePath(child.path)" :key="child.name">
              <el-menu-item :index="resolvePath(child.path)">
                <svg-icon v-if="child.meta&&child.meta.icon" :icon-class="child.meta.icon"></svg-icon>
                <span v-if="child.meta&&child.meta.title" slot="title">{{generateTitle(child.meta.title)}}</span>
              </el-menu-item>
            </router-link>
          </template>
          
        </template>
      </el-submenu> -->

      <div v-if="hasOneShowingChild(item.children) && !onlyOneChild.children && !item.alwaysShow" @click="onClick(item)">
        <router-link :to="resolvePath(onlyOneChild.path)">
          <el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{ 'submenu-title-noDropdown': !isNest }">
            <svg-icon v-if="onlyOneChild.meta && onlyOneChild.meta.icon" :icon-class="onlyOneChild.meta.icon"></svg-icon>
            <span v-if="onlyOneChild.meta && onlyOneChild.meta.title" slot="title">{{ generateTitle(onlyOneChild.meta.title) }}</span>
          </el-menu-item>
        </router-link>
        
      </div>

        <div v-else @click="onClick(item)">
          <router-link :to="resolvePath(item.children[0].path)">
            <el-menu-item :index="item.path">
              <template slot="title">
                <svg-icon v-if="item.meta && item.meta.icon" :icon-class="item.meta.icon"></svg-icon>
                <span v-if="item.meta && item.meta.title" slot="title">
                  {{ generateTitle(item.meta.title) }}
                </span>
              </template>
            </el-menu-item>
          </router-link>
        </div>
  </div>
</template>

<script>
import path from 'path'
import { generateTitle } from '@/utils/i18n'

import { mapGetters } from "vuex";

export default {
  name: 'SidebarItem',
  props: {
    // route object
    item: {
      type: Object,
      required: true
    },
    isNest: {
      type: Boolean,
      default: false
    },
    basePath: {
      type: String,
      default: ''
    }
  },
  computed: {
    ...mapGetters(["permission_routers"])
  },
  data() {
    return {
      onlyOneChild: null
    }
  },
  methods: {
    hasOneShowingChild(children) {
      const showingChildren = children.filter(item => {
        if (item.hidden) {
          return false
        } else {
          // temp set(will be used if only has one showing child )
          this.onlyOneChild = item
          return true
        }
      })
      if (showingChildren.length === 1) {
        return true
      }
      return false
    },
    resolvePath(...paths) {
      return path.resolve(this.basePath, ...paths)
    },
    generateTitle,
    unfinishAction: function() {
      this.$message.error("功能开发中")
    },
    onClick(index) {
      this.permission_routers.map((item, i) => {
        if (this.isObjectValueEqual(item, index)) {
          this.$emit("a", i);
        }
      });
    },
    isObjectValueEqual(a, b) {
      var aProps = Object.getOwnPropertyNames(a);
      var bProps = Object.getOwnPropertyNames(b);

      if (aProps.length != bProps.length) {
        return false;
      }

      for (var i = 0; i < aProps.length; i++) {
        var propName = aProps[i];

        if (a[propName] !== b[propName]) {
          return false;
        }
      }

      return true;
    }
  }
}
</script>

<style lang="scss">
.menu-wrapper{
  .el-menu-item{
   background-color:#1F2D3D !important;
   color: #fff !important;
  }
  .el-menu{
    background-color:#1F2D3D !important;
  }
  .el-submenu__title{
    background-color:#1F2D3D !important;
    color: #fff !important;
    height: 32px !important;
    line-height: 32px !important;
  }
  .router-link-exact-active{
    color: rgb(64, 158, 255) !important;
    .el-menu-item{
      color: rgb(64, 158, 255) !important;
    }
  }
}

</style>