我创建了一个拦截器,它将 token 附加到授权 header 中,仅在功能延迟加载模块中进行 API 调用时才需要。
但是,我不认为拦截器被称为 no console.logs
在报告模块中显示。
我读过其他问题,这可能与 HTTPClientModule
有关。 .这个HttpClientModule
只在我的主 app.module
中初始化过一次.
如何让拦截器仅适用于延迟加载的功能模块?
auth.interceptor.ts
import { Injectable } from '@angular/core';
import { HttpInterceptor, HttpHandler, HttpRequest, HttpEvent, HttpResponse } from '@angular/common/http';
import { Observable } from 'rxjs/observable';
import 'rxjs/add/operator/do';
import { AuthService } from './../services/auth/auth.service';
@Injectable()
export class AuthInterceptor implements HttpInterceptor {
constructor(private auth: AuthService) {
console.log('start interceptor');
}
intercept(req: HttpRequest<any>, next: HttpHandler) {
console.log('intercepting');
const authToken = this.auth.getProfileToken();
console.log(authToken);
const authReq = req.clone({
headers: req.headers.set('Authorization', authToken)
});
return next.handle(authReq);
}
}
报告.module.ts import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { UpperCasePipe } from '@angular/common';
import { DatePipe } from '@angular/common';
import { HTTP_INTERCEPTORS } from '@angular/common/http';
import { ReportsRoutingModule } from './reports-routing.module';
...
import { SharedModule } from './../shared/shared.module';
..
import { AuthInterceptor } from './../core/interceptors/auth.interceptor';
@NgModule({
imports: [
CommonModule,
SharedModule,
ReportsRoutingModule,
],
declarations: [
...
],
entryComponents: [
...
],
providers: [DatePipe, UpperCasePipe,
{ provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true }
]
})
export class ReportsModule { }
app.module.ts import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { SharedModule } from './shared/shared.module';
import { CoreModule } from './core/core.module';
import { HttpClientModule } from '@angular/common/http';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
AppRoutingModule,
BrowserAnimationsModule,
HttpClientModule,
SharedModule,
CoreModule.forRoot(),
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
应用路由.module.ts import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { AuthGuard } from '../app/core/guard/auth/auth.guard';
const routes: Routes = [
{
path: 'reports',
loadChildren: './reports/reports.module#ReportsModule',
canActivate: [
AuthGuard
]
}
];
@NgModule({
imports: [RouterModule.forRoot(routes)],
exports: [RouterModule],
providers: [AuthGuard]
})
export class AppRoutingModule { }
最佳答案
HTTP_INTERCEPTORS
当延迟加载的模块导入另一个导入 HttpClientModule
的模块时,提供者 token 被重置通过它自己。
所以HttpClientModule
可以包含在您的应用程序模块中,并且只需要一次。
https://angular.io/guide/http#setup-installing-the-module
关于Angular - 拦截器未加载到延迟加载的模块中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49855216/