使用 create-react-app 創建新的 react 項目后,npm start 失敗 [英]npm start fails after creating a new react project using create-react-app
為什么create-react-app在創建新應用時默認不導入App.js中的組件? [英]Why is create-react-app not importing component by default in App.js when creating a new app?