React（一）使用脚手架创建React项目： 转自： https://www.cnblogs.com/yulingjia/p/9583244.html

 

D:\workbench_ws>npm install -g create-react-app
C:\Users\pacoson\AppData\Roaming\npm\create-react-app -> C:\Users\pacoson\AppData\Roaming\npm\node_modules\create-react-app\index.js
+ create-react-app@3.1.2
added 91 packages from 45 contributors in 17.538sD:\workbench_ws>create-react-app my-appCreating a new React app in D:\workbench_ws\my-app.Installing packages. This might take a couple of minutes.
Installing react, react-dom, and react-scripts...> core-js@2.6.9 postinstall D:\workbench_ws\my-app\node_modules\babel-runtime\node_modules\core-js
> node scripts/postinstall || echo "ignore"> core-js@3.2.1 postinstall D:\workbench_ws\my-app\node_modules\core-js
> node scripts/postinstall || echo "ignore"+ react-dom@16.9.0
+ react@16.9.0
+ react-scripts@3.1.2
added 1440 packages from 685 contributors and audited 905276 packages in 242.562s
found 0 vulnerabilitiesInitialized a git repository.Success! Created my-app at D:\workbench_ws\my-app
Inside that directory, you can run several commands:npm startStarts the development server.npm run buildBundles the app into static files for production.npm testStarts the test runner.npm run ejectRemoves this tool and copies build dependencies, configuration filesand scripts into the app directory. If you do this, you can’t go back!We suggest that you begin by typing:cd my-appnpm startHappy hacking!