# 起步

# Angular CLI

npm install -g @angular/cli
ng new <project-name>
cd <project-name>
ng serve --open
ng serve 
ng build
ng generate   
ng test # 单元测试
ng e2e  # 端到端测试 

# Hello world

ng new angular-startup
cd angular-startup
npm start
ng generate component hello-world
// src\app\hello-world\hello-world.component.ts
import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-hello-world',
  templateUrl: './hello-world.component.html',
  styleUrls: ['./hello-world.component.scss']
})
export class HelloWorldComponent implements OnInit {

  constructor() { }

  ngOnInit(): void {
  }

}
<!-- src\app\hello-world\hello-world.component.html -->
<p>hello-world works!</p>