router当前页上边的title设置

import Vue from vue
import Router from vue-router
Vue.use(Router)
const routerACon = new Router({
    routes: [{
            path: /,
            redirect: /indexs,
            meta: {
                title: 大屏
            },
        },
        {
            path: /indexs,
            name: indexs,
            component: visual,
            meta: {
                title: 大屏
            },
            children: [{
                    path: /,
                    name: index,
                    meta: {
                        index: 0,
                        title: 大屏
                    },
                    component: resolve => require([@/views/Home], resolve)
                },
            ]
        },
        {
            path: /LeadershipScreen,
            name: LeadershipScreen,
            meta: {
                title: 置灰
            },
            component: resolve => require([@/components/LeadershipScreen/index], resolve)
        },
    ],
})

routerACon.afterEach((to) => {
    document.title = to.meta.title
})
//名字title