这个自动生成的服务(由 NSwagStudio)需要一个 API_BASE_URL(InjectionToken)值来执行 http 请求,我可以如何以及在哪里注入它?
/* tslint:disable */
//----------------------
// <auto-generated>
// Generated using the NSwag toolchain v11.12.16.0 (NJsonSchema v9.10.19.0 (Newtonsoft.Json v9.0.0.0)) (http://NSwag.org)
// </auto-generated>
//----------------------
// ReSharper disable InconsistentNaming
import 'rxjs/add/observable/fromPromise';
import 'rxjs/add/observable/of';
import 'rxjs/add/observable/throw';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/toPromise';
import 'rxjs/add/operator/mergeMap';
import 'rxjs/add/operator/catch';
import { Observable } from 'rxjs/Observable';
import { Injectable, Inject, Optional, InjectionToken } from '@angular/core';
import { HttpClient, HttpHeaders, HttpParams, HttpResponse, HttpResponseBase, HttpErrorResponse } from '@angular/common/http';
export const API_BASE_URL = new InjectionToken<string>('API_BASE_URL');
@Injectable()
export class DocumentService {
private http: HttpClient;
private baseUrl: string;
protected jsonParseReviver: ((key: string, value: any) => any) | undefined = undefined;
constructor(@Inject(HttpClient) http: HttpClient, @Optional() @Inject(API_BASE_URL) baseUrl?: string) {
this.http = http;
this.baseUrl = baseUrl ? baseUrl : "";
}
getAll(): Observable<string[] | null> {
let url_ = this.baseUrl + "/api/Document";
url_ = url_.replace(/[?&]$/, "");
let options_ : any = {
observe: "response",
responseType: "blob",
headers: new HttpHeaders({
"Content-Type": "application/json",
"Accept": "application/json"
})
};
return this.http.request("get", url_, options_).flatMap((response_ : any) => {
return this.processGetAll(response_);
}).catch((response_: any) => {
if (response_ instanceof HttpResponseBase) {
try {
return this.processGetAll(<any>response_);
} catch (e) {
return <Observable<string[] | null>><any>Observable.throw(e);
}
} else
return <Observable<string[] | null>><any>Observable.throw(response_);
});
}
protected processGetAll(response: HttpResponseBase): Observable<string[] | null> {
...........code
........
....
}
}
有人可以给我一些关于 InjectioToken 如何工作以及如何将其注入此服务的超级快速提示吗?
Angular5 - Nswag