最早的路由定义方式
import Vue from 'vue'
import VueRouter from 'vue-router'

import Home from '../views/Home.vue'
import About from '../views/About.vue'
import Login from '../views/Login.vue'

Vue.use(VueRouter)

const routes = [
{ path: '/', name: 'Home', component: Home },
{ path: '/about', name: 'About', component: About },
{ path: '/login', name: 'Login', component: Login }
]

const router = new VueRouter({
routes
})

export default router
import Vue from 'vue'
import VueRouter from 'vue-router'

import Home from '../views/Home.vue'
import About from '../views/About.vue'
import Login from '../views/Login.vue'

Vue.use(VueRouter)

const routes = [
{ path: '/', name: 'Home', component: Home },
{ path: '/about', name: 'About', component: About },
{ path: '/login', name: 'Login', component: Login }
]

const router = new VueRouter({
routes
})

export default router进化版路由组件懒加载以及定义 chunk name
...
const routes = [
{

path: '/',

name: 'Home',

component: () => import(/* webpackChunkName: "Home" */ '../views/Home.vue')
},
{

path: '/about',

name: 'About',

component: () => import(/* webpackChunkName: "About" */ '../views/About.vue')
},
{

path: '/login',

name: 'Login',

component: () => import(/* webpackChunkName: "Login" */ '../views/Login.vue')
}
]
...
...
const routes = [
{

path: '/',

name: 'Home',

component: () => import(/* webpackChunkName: "Home" */ '../views/Home.vue')
},
{

path: '/about',

name: 'About',

component: () => import(/* webpackChunkName: "About" */ '../views/About.vue')
},
{

path: '/login',

name: 'Login',

component: () => import(/* webpackChunkName: "Login" */ '../views/Login.vue')
}
]
...这样写起来是完全没有问题的，但是路由很多的情况下，这里的代码量就会增加，我们能不能把「路径」与「组件」绑定的操作放大循环里面去做呢
const routeOptions = [
{ path: '/', name: 'Home' },
{ path: '/about', name: 'About' },
{ path: '/login', name: 'Login' }
]
const routes = routeOptions.map(route => {

return {


...route,


component: () => import(`@/views/${route.name}.vue`)

}
})
const router = new VueRouter({
routes
})
const routeOptions = [
{ path: '/', name: 'Home' },
{ path: '/about', name: 'About' },
{ path: '/login', name: 'Login' }
]
const routes = routeOptions.map(route => {

return {


...route,


component: () => import(`@/views/${route.name}.vue`)

}
})
const router = new VueRouter({
routes
})这样就优雅了不少，但是我们的 chunk name 还没有加上去，这个时候就要用到 webpack 2.6.0 以上的占位符[ index ]和[ request ]
const routeOptions = [
{ path: '/', name: 'Home' },
{ path: '/about', name: 'About' },
{ path: '/login', name: 'Login' }
]

const routes = routeOptions.map(route => {
return {

...route,

component: () => import(/* webpackChunkName: "[request]" */ `../views/${route.name}.vue`)
}
})

const router = new VueRouter({
routes
})
const routeOptions = [
{ path: '/', name: 'Home' },
{ path: '/about', name: 'About' },
{ path: '/login', name: 'Login' }
]

const routes = routeOptions.map(route => {
return {

...route,

component: () => import(/* webpackChunkName: "[request]" */ `../views/${route.name}.vue`)
}
})

const router = new VueRouter({
routes
})build 一下就能看到想要的 chunk 了