参考来源：https://www.angular.cn/guide/quickstart
1、下载安装note.js & npm
https://nodejs.org/en/
node -v
npm -v
2、安装angular并新建App
npm install -g @angular/cli
ng -v
新建：ng new my-app
启动：ng serve --open
默认浏览地址：http://localhost:4200/
3、安装Webstorm
https://www.jetbrains.com/webstorm/download/download-thanks.html
https://blog.csdn.net/yongsen_odaboy/article/details/79483598
