vue设置每个页面的头部title

import Vue from ‘vue‘
import Router from ‘vue-router‘
import login from ‘../components/login/login.vue‘
import user from ‘../components/mine/user.vue‘

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: ‘/‘,
      name: ‘login‘,
      component: login,
      meta:{index:1,title: ‘登陆/注册‘}
    },
    {
      path:‘/user‘,
      name:‘user‘,
      component:user,
      meta:{index:2,title: ‘个人中心‘}
    }
  ]
})

/* 路由发生变化修改页面title */
router.beforeEach((to, from, next) => {
  if (to.meta.title) {
    document.title = to.meta.title
  }
  next()
})