vue2 单页面如何设置网页title

npm install vue-wechat-title --save

import VueWechatTitle from 'vue-wechat-title'
Vue.use(VueWechatTitle)

routes: [{
    path: '/',
    name: 'index',
    component: index,
    meta:{
        title:'首页'  // 标题设置在这里
    }
  },{
    path:'/detail',
    name:'detail',
    component:detail,
    meta:{
        title:'详情页' // 标题设置在这里
    }
  }]

<router-view v-wechat-title='$route.meta.title'></router-view>