vue按需加载实例详解

{
path: '/promisedemo',   name: 'PromiseDemo',   ponent: resolve => require(['../ponents/PromiseDemo'], resolve)
}

// 狼蚁网站SEO优化2行代码，没有指定webpackChunkName，每个组件打包成一个js文件。 const ImportFuncDemo1 = () => import('../ponents/ImportFuncDemo1') const ImportFuncDemo2 = () => import('../ponents/ImportFuncDemo2') // 狼蚁网站SEO优化2行代码，指定了相同的webpackChunkName，会合并打包成一个js文件。 // const ImportFuncDemo = () => import(/ webpackChunkName: 'ImportFuncDemo' / '../ponents/ImportFuncDemo') // const ImportFuncDemo2 = () => import(/ webpackChunkName: 'ImportFuncDemo' / '../ponents/ImportFuncDemo2') export default new Router({   routes: [     {       path: '/importfuncdemo1',       name: 'ImportFuncDemo1',       ponent: ImportFuncDemo1     },     {       path: '/importfuncdemo2',       name: 'ImportFuncDemo2',       ponent: ImportFuncDemo2     }   ] })

{   path: '/promisedemo',   name: 'PromiseDemo',   ponent: resolve => require.ensure([], () => resolve(require('../ponents/PromiseDemo')), 'demo') }, {   path: '/hello',   name: 'Hello',   // ponent: Hello   ponent: resolve => require.ensure([], () => resolve(require('../ponents/Hello')), 'demo') }