angular-docs-cn/public/docs/_examples/user-input/ts/app/click-me.component.ts

/* FOR DOCS ... MUST MATCH ClickMeComponent template
// #docregion click-me-button
  <button (click)="onClickMe()">Click me!</button>
// #enddocregion click-me-button
*/

// #docregion
import {Component} from '@angular/core';

// #docregion click-me-component
@Component({
  selector: 'click-me',
  template: `
    <button (click)="onClickMe()">Click me!</button>
    {{clickMessage}}`
})
export class ClickMeComponent {
  clickMessage = '';

  onClickMe(){
    this.clickMessage ='You are my hero!';
  }
}
// #enddocregion click-me-component