vue路由权限和菜单权限

 import Vue from 'vue';

    
 import VueRouter from 'vue-router';
    
 import login from '../views/login';
    
  
    
 Vue.use(VueRouter);
    
  
    
 const routes = [
    
   {
    
     path: '/login',
    
     name: 'login',
    
     component: login,
    
     meta : {
    
       title : "登录"
    
     }
    
   },
    
   {
    
     path: '/',
    
     name: 'layout',
    
     redirect : "/welcome",
    
     component: () => import('../components/Layout'),
    
     meta : {
    
       title : "首页"
    
     },
    
     children : [