angular - 如何从 Angular 2 中的 url 获取值

Question

我正在尝试获取值，但它不起作用。下面是我的网址，我想从网址中获取 1 作为数字

https://localhost:44300/Portal#/user-edit/1

constructor(private router: Router,
    private userService: UserService) {

    this.router
        .routerState
        .queryParams
        .subscribe(params => {
            this.id = params['id'];
        });

Answer 1

您应该注入(inject) ActivatedRoute 以获取路由参数，如下所示，

constructor(private router: Router,
    private userService: UserService,
    private route: ActivatedRoute,) {  //<----- here

    this.route.params.subscribe(params => {
            this.id = +params['id'];   //<----- + sign converts string value to number
});

在这里阅读更多:https://angular.io/docs/ts/latest/guide/router.html#!#route-parameters