小编Guy*_*bra的帖子

我创建了一个HttpInterceptor(Angular5),以便为每个xhr请求添加"withCredentials:true".但每次我调用任何http请求时,都会收到以下错误:

ERROR TypeError: this.interceptor.intercept is not a function
at HttpInterceptorHandler.handle (http.js:1777)
at HttpXsrfInterceptor.intercept (http.js:2470)
at HttpInterceptorHandler.handle (http.js:1777)
at MergeMapSubscriber.eval [as project] (http.js:1447)
at MergeMapSubscriber._tryNext (mergeMap.js:128)
at MergeMapSubscriber._next (mergeMap.js:118)
at MergeMapSubscriber.Subscriber.next (Subscriber.js:91)
at ScalarObservable._subscribe (ScalarObservable.js:51)
at ScalarObservable.Observable._trySubscribe (Observable.js:172)
at ScalarObservable.Observable.subscribe (Observable.js:160)

import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from "@angular/common/http";
import {Observable} from "rxjs/Observable";
import {Injectable} from "@angular/core";

@Injectable()
export class GeneralInterceptor implements HttpInterceptor{
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
        const cRequest = req.clone({
            withCredentials: true
        });
        return next.handle(cRequest);
    }
}

这是app.moudle.ts

@NgModule({ …