0.0 Installation 安装

React is flexible and can be used in a variety of projects.

React是灵活的，可以使用在各种项目中。

You can create new apps with it,

您可以使用它创建新的应用程序，

but you can also gradually introduce it into an existing codebase without doing a rewrite.

但您也可以逐步将其引入现有的代码库，而不进行重写。