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1. When using vue-router to configure routes, you can use asynchronous components to load routes on demand. Asynchronous components are loaded only when the route is accessed, thus achieving the effect of on-demand loading. It should be noted that the use of asynchronous components requires the use of webpack's dynamic import syntax. For example:

const Home = () => import(/* webpackChunkName: "home" */ './views/Home.vue')
 
const routes = [
  {
    path: '/',
    name: 'Home',
    component: Home
  }
]

1. Use Vue's asynchronous component factory function Vue provides an asynchronous component factory function to implement on-demand loading of routes. When using VueRouter to configure routes, you can usecomponent: () => import('./views/Home.vue')To define asynchronous components. In this way, the corresponding components will be dynamically loaded when the route is accessed.

const routes = [
  {
    path: '/',
    name: 'Home',
    component: () => import('./views/Home.vue')
  }
]

1. Using the import function of the dynamic import component Using the import function of ES6, you can implement on-demand loading of routes in vue-router. When configuring routes, you can usecomponent: () => import('./views/Home.vue')To define an asynchronous component.

const routes = [
  {
    path: '/',
    name: 'Home',
    component: () => import('./views/Home.vue')
  }
]

The above three methods can all achieve on-demand loading of routes. The specific method you choose depends on your personal preferences and project requirements.