tuto_angular/angular-tour-of-heroes/src/app/hero-detail/hero-detail.component.ts

37 lines
833 B
TypeScript

import { Component, OnInit, Input } from '@angular/core';
import { Hero } from '../hero';
import { ActivatedRoute } from '@angular/router';
import { Location } from '@angular/common';
import { HeroService } from '../hero.service';
@Component({
selector: 'app-hero-detail',
templateUrl: './hero-detail.component.html',
styleUrls: ['./hero-detail.component.css']
})
export class HeroDetailComponent implements OnInit {
@Input() hero: Hero;
constructor(
private route: ActivatedRoute,
private heroService: HeroService,
private location: Location
) { }
ngOnInit(): void {
this.getHero();
}
getHero(): void {
const id = +this.route.snapshot.paramMap.get('id');
this.heroService.getHero(id)
.subscribe(hero => this.hero = hero);
}
goBack(): void {
this.location.back();
}
}