我正在尝试使用https://react-bootstrap.github.io/上的包
它只是说你必须 npm 安装该软件包，然后对浏览器全局变量有一些非常模糊的说明：
We provide react-bootstrap.js and react-bootstrap.min.js bundles with all components exported on the window.ReactBootstrap object. These bundles are available on unpkg, as well as in the npm package.
<script src="https://unpkg.com/react/umd/react.production.min.js" crossorigin></script>
<script
src="https://unpkg.com/react-dom/umd/react-dom.production.min.js"
crossorigin></script>
<script
src="https://unpkg.com/react-bootstrap@next/dist/react-bootstrap.min.js"
crossorigin></script>
<script>var Alert = ReactBootstrap.Alert;</script>
以及他们提供的 CDN。
How and which Bootstrap styles you include is up to you, but the simplest way is to include the latest styles from the CDN. A little more information about the benefits of using …