vue iview 导航高亮动态设置方式

<Menu :active-name="activeName" theme="light" width="auto" :open-names="['2','3','4']">
		
	<Submenu name="2">
		<template slot="title">
			<Icon type="ios-navigate"></Icon>
			信息查询
		</template>
		<MenuItem name="travel/" to="travel">信息查询</MenuItem>
	</Submenu>
	<Submenu name="3" v-if="is_super">
		<template slot="title">
			<Icon type="ios-keypad"></Icon>
			信息管理
		</template>
		<MenuItem name="TravelManage" to='TravelManage'>信息管理</MenuItem>
	</Submenu>
	<Submenu name="4">
		<template slot="title">
			<Icon type="ios-contact"></Icon>
			个人信息
		</template>
		<MenuItem name="UserInform" to='UserInform'>个人资料</MenuItem>
	
	</Submenu>
</Menu>

export default {
	name: '',
	data() {
		return {
			activeName: this.$router.path,
		}
	},
	methods:{
		 menuList(){  // 这个方法里定义好，高亮和路由
			let path = this.$route.matched[1].path  
			this.activeName=path.substr(1)
        }
	},	
	
	mounted() {
		this.menuList()
	}
}

    //监听路由变化
    watch: {
      '$route':'getPath'
    },
    methods: {
      getPath(){
        this.defaultUrl = this.$route.path;
      }
    },

import Vue from 'vue';
import Router from 'vue-router'; 
Vue.use(Router);
 
import Home from './views/home'; 
import SearchProperty from './views/search/search-property';
import SearchListing from './views/search/search-listing';
import SearchContact from './views/search/search-contact';
import SearchSchool from './views/search/search-school';
 
export default new Router({
  routes: [
    {name: 'home', path: '/', component: Home},
    {name: 'search-property', path: '/search-property/:pageNum', component: SearchProperty},
    {name: 'search-contact', path: '/search-contact/:pageNum', component: SearchContact},
    {name: 'search-listing', path: '/search-listing/:pageNum', component: SearchListing},
    {name: 'search-school', path: '/search-school/:pageNum', component: SearchSchool},
 
  ],
});

<el-menu router :default-active="$route.path">
</el-menu>