angular2/4找不到对象

Question

为什么我找不到object？

我收到以下错误：

core.service.ts (19,23): Cannot find name 'object'. 

在行：

userChange: Subject<object> = new Subject<object>(); 

我确实有这些进口：

import { Injectable } from '@angular/core'; 
import { Http, RequestOptions, URLSearchParams } from '@angular/http'; 
import {Observable, } from 'rxjs/Observable'; 
import { Comment } from './models/comment' 
import 'rxjs/add/operator/map'; 
import 'rxjs/Rx'; 

import {Subject} from 'rxjs/Subject'; 

import { Router, NavigationEnd, CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router'; 

@Injectable() 
export class CoreService { 

    constructor(private http: Http, private router: Router) { } 

    userChange: Subject<object> = new Subject<object>(); 


further... 

Answer 1

你可能是指Object大写Ø 。 JavaScript/Typescript区分大小写。

userChange: Subject<Object> = new Subject<Object>(); 

Answer 2

的object型打字稿2.2加入，你确定你使用正确的打字稿版本？

欲了解更多信息，请参阅：What's-new-in-TypeScript#object-type

Answer 3

你必须使用<any>。

userChange: Subject<any> = new Subject<any>(); 

这里您可以找到anydocumentation，在示例代码，你会看到使用Object和any之间的差异。

我会接近你的代码这样（个人喜好）：

userChange$: Observable<any>; // We declare the Observable 

private userChangeSubject = new Subject<any>(); // We declare the Subject 

constructor(private http: Http, private router: Router) { 
    this.userChange$ = this.userChangeSubject.asObservable(); // We 'associate' the Subject with the Observable 
} 

updateUser(someUserParams) { 
     this.userChangeSubject.next(someUserParams); // We then proceed to apply our logic and anyone subscribe to 'userChange$' will receive these someUserParams when this method is triggered 
}