大家会遇到打包后文件很大,导致页面初始化加载的速度很慢。会出现白屏的现象。这一般是你打包的vendor太大的缘故。如果你打包后看到你的vendor文件有700kb以上。你就要考虑怎么处理。
处理这种文件的
1、把不常改变的库放到index.html中,通过cdn引入,比如下面这样:
<script src="https://unpkg.com/[email protected]/dist/vue.js"></script>
<script src="https://unpkg.com/[email protected]/dist/vue-router.js"></script>
<script src="https://unpkg.com/[email protected]/lib/index.js"></script>
<script src="https://unpkg.com/[email protected]/lib/index.js"></script>
<script src="https://unpkg.com/[email protected]/dist/axios.min.js"></script>
然后找到build/webpack.base.conf.js文件,在 module.exports = { } 中添加以下代码
externals:{
'vue':'Vue',
'element-ui':'ELEMENT',
'mint-ui':'MINT',
'axios':'axios',
'vue-router':'VueRouter',
},
2、通过路由的懒加载
export default new VueRouter({//这个为什么用VueRouter 是通过script标签引入的
mode: 'history',
routes: [
{
path: '/',
redirect: '/master/closestore/today'
},
{
path: '/master/closestore/today',
name: 'CloseingCount',
component: resolve => require(['@/components/ClosingCount'], resolve)
},
]});