angular-docs-cn/public/docs/_examples/style-guide/ts/02-08/app/app.component.ts

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

import { ValidateDirective } from './shared/validate.directive';

@Component({
  selector: 'sg-app',
  template: '<input type="text" tohValidate>',
  directives: [ValidateDirective]
})
export class AppComponent { }