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我想從我的構造函數中設置多個觀察者。只有一個被設置,其餘的不會變爲null(不變)。Angular2 Rxjs觀察員不設置如果多於一個
我不知道爲什麼它這樣做。
export class gq {
/**
* This is observable data service https://coryrylan.com/blog/angular-2-observable-data-services
*/
constructor(private api: Api)
{
this._ = {
// just to define object here, else it will give error
observer: {
s: '', q: '', translation: '', translationLanguage: '', transliteration: '', r: '', content: ''
},
// observables
observable: {
s$: new Observable(observer => this._.observer.s = observer).share(),
q$: new Observable(observer => this._.observer.q = observer).share(),
translation$: new Observable(observer => this._.observer.translation = observer).share(),
translationLanguage$: new Observable(observer => this._.observer.translationLanguage = observer).share(),
transliteration$: new Observable(observer => this._.observer.transliteration = observer).share(),
r$: new Observable(observer => this._.observer.r = observer).share(),
content$: new Observable(observer => this._.observer.content = observer).share(),
}
};
console.log(this._.observer);
console.log('triggered constructor');
}
}
輸出來作爲
Object {s: Subject, q: "", translation: "", translationLanguage: "", transliteration: ""…}
正如你可以看到它是隻設置s
與主題,但其中其餘的都是null