1. Angular 环境搭建和项目创建

1. 官网

https://angular.io

2. 搭建环境

https://angular.io/guide/setup-local

0. Prerequisites

yum nodejs12 （还有其他平台的安装命令）
node -v
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
nodejs　官网:　https://nodejs.org/en/download/package-manager/
ubuntu/Debian　命令安装nodejs 的方法： https://github.com/nodesource/distributions/blob/master/README.md

curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -sL https://deb.nodesource.com/setup_12.x | bash -
apt-get install -y nodejs

1. Install the Angular CLI

npm install -g @angular/cli

2. Create a workspace and initial application

ng new my-new-project

3. Run the application

cd my-new-project
ng serve --open

4. Build for production

cd my-new-project
ng build --prod

5. Create a new component/module/service

ng g component xxx
ng g module xxx
ng g service xxx