I assume that your environment has been installed:
webpack does not support packaging css (style) by default
Needs to install
npm install css-loader style-loader --save-dev
After the installation is complete, you still need to put it in front of the place where you introduce css Add "css-loader! path"
// 打包之后css有效果需要加 style-loader 不然就没有效果require('style-loader!css-loader!./style.css')
There is also a simple way to write
Introduce it directly
require('./style.css')
On the command line
webpack hello.js hello.bundle.js --module-bind "css=style-loader!css-loader" --watch
You can only use it after you modify it and refresh the page
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