[英]Property 'onNext' does not exist on type 'BehaviorSubject<Filer>'
I'm creating an angular2 app and I've got a service that I want to be able to write to in one component and then read/update it in other components (routes). 我正在创建一个angular2应用程序,我有一个服务,我希望能够在一个组件中写入,然后在其他组件(路由)中读取/更新它。
Here's what my service looks like currently: 这是我的服务目前的样子:
import { Injectable } from '@angular/core';
import { Filer } from './filer.model';
import { Observable } from 'rxjs/Observable';
import { Subject } from 'rxjs/Subject';
@Injectable()
export class FilerService {
public _filer: Subject<Filer>;
constructor() {
this._filer = new Subject();
}
setSelected(ret: Filer) {
let temp = ret;
this._filer.next(temp);
}
get selected(): Observable<Filer> {
return this._filer.asObservable();
}
}
since I'm using Subject
, only components that are subscribed will be able to see any values. 因为我正在使用
Subject
,所以只有订阅的组件才能看到任何值。 I tried changing it to a BehaviorSubject
, based on the rxjs docs. 我尝试将其更改为
BehaviorSubject
,基于rxjs文档。 Here's what that looks like: 这是看起来像:
import { Injectable } from '@angular/core';
import { Filer } from './filer.model';
import { Observable } from 'rxjs/Observable';
import { Observer } from 'rxjs/Observer';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
@Injectable()
export class FilerService {
public _filer: BehaviorSubject<Filer>;
constructor() {
this._filer = new BehaviorSubject({});
}
setSelected(ret: Filer) {
let temp = ret;
this._filer.onNext(temp);
}
get selected(): Observable<Filer> {
return this._filer.asObservable();
}
}
However, I get Property 'onNext' does not exist on type 'BehaviorSubject<Filer>'.
但是,我
Property 'onNext' does not exist on type 'BehaviorSubject<Filer>'.
, so I'm not sure where to go from here. 所以我不知道从哪里开始。 Any ideas?
有任何想法吗?
I'm on rxjs 5.0.0-beta.6. 我在rxjs 5.0.0-beta.6上。
If you are using the latest angular2 then it uses rxjs 5, in which case you have to use next()
and not onNext()
. 如果你使用的是最新的angular2,那么它使用rxjs 5,在这种情况下你必须使用
next()
而不是onNext()
。
Have a look at the migration guide . 请查看迁移指南 。
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