VUE修改每个页面title

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//index.js
routes: [
    {
        name:'home',
          path: '/home/:openname',
          component: Home,
          meta: {
            title: '首页'
        }
    }
  ]

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