angular2-jwt没有用于AuthConfig的提供程序

Question

我正在为rc5的angular2-jwt文档而苦苦挣扎。

这是我的NgModule

import { AuthHttp } from 'angular2-jwt';



 @NgModule({
  imports: [ BrowserModule, 
             routing,
             HttpModule,
             FormsModule,

            ],
  declarations: [ 
                  AppComponent,
                  LoginComponent, 
                  NavbarComponent,
                  DashboardComponent,
                  ModelsComponent
                ],
  providers: [AuthGuard,
              ModelService,
              AuthHttp
              ],
  bootstrap: [ AppComponent ]
})
export class AppModule { }

这是我的服务

import { Injectable } from '@angular/core';
import {Http} from '@angular/http';
import 'rxjs/add/operator/map';
import { Model } from './model';
import { AuthHttp } from 'angular2-jwt';
import {Observable} from "rxjs/Rx";

@Injectable()
export class ModelService {
  private _url = "http://127.0.0.1:8050/test/model";

  constructor(private _http: Http,private _authHttp: AuthHttp){
    //this.jwt = localStorage.getItem('id_token');
  }


  getPollModles(){
    return Observable.interval(5000).switchMap(() => this._authHttp.get(this._url)).map(res => res.json());
  }

}

如何让angular2_jwt与rc5协同工作？

当我将我的服务添加到构造器时，我得到了下面的错误。

constructor(private route: ActivatedRoute,
                public router: Router,
                private modelService: ModelService) 

core.umd.js:5995EXCEPTION: Uncaught (in promise): Error: Error in ./ModelsComponent class ModelsComponent_Host - inline template:0:0 caused by: No provider for AuthConfig!

Answer 1

如下所示的app.module导入：

import { AuthHttp, AuthConfig, AUTH_PROVIDERS, provideAuth } from 'angular2-jwt';

并添加提供程序：

providers: [        
        AuthHttp,
        provideAuth({
            headerName: 'Authorization',
            headerPrefix: 'bearer',
            tokenName: 'token',
            tokenGetter: (() => localStorage.getItem('id_token')),
            globalHeaders: [{ 'Content-Type': 'application/json' }],
            noJwtError: true
        })
    ],

Answer 2

你必须在你的NgModule中提供所有注入的依赖项。将AuthConfig添加到@NgModule的声明中。

编辑:这可能是无稽之谈。

您是否已将angular2-jwt更新到当前版本？

Answer 3

如果提供程序的顺序错误，也可能发生此错误：

providers: [
  provideAuth({
    headerName: 'Authorization',
    headerPrefix: 'my-bearer-prefix',
    tokenName: 'my-token-name',
    tokenGetter: (() => localStorage.getItem('token')),
    globalHeaders: [{ 'Content-Type': 'application/json' }],
    noJwtError: true
  }),
  AuthHttp
]

导致Angular 2.0.0和angular2-jwt 0.1.23错误。