延迟加载错误：找不到模块-Angular 7

编程问答 2022-06-13

问题描述

我正在尝试在Angular 7上进行延迟加载，但出现以下错误

ERROR Error: Uncaught (in promise): Error: Cannot find module './admin/admin.module'
Error: Cannot find module './admin/admin.module'
    at $_lazy_route_resource lazy namespace object:5
    at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:388)
    at Object.onInvoke (core.js:14191)
    at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:387)
    at Zone.push../node_modules/zone.js/dist/zone.js.Zone.run (zone.js:138)
    at zone.js:872
    at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:421)
    at Object.onInvokeTask (core.js:14182)
    at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:420)
    at Zone.push../node_modules/zone.js/dist/zone.js.Zone.runTask (zone.js:188)
    at resolvePromise (zone.js:814)
    at resolvePromise (zone.js:771)
    at zone.js:873

我已经创建了 admin.module.ts 

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { RouterModule } from '@angular/router';
import { AdminRoutingModule } from './admin.routing.module';
// imports de todos os components

@NgModule({
  declarations: [
    //all admin components
  ],imports: [
    CommonModule,RouterModule,AdminRoutingModule,]
})
export class AdminModule { }

和 admin.routing.module.ts 

import { NgModule } from "@angular/core";
import { RouterModule,Routes } from "@angular/router";
import { RestrictedGuardService } from ".././restricted-guard.service";
//imports responsible for routes

const routes: Routes = [ { 
    {
        path: "usuario",component: AdminUsuariosComponent,canActivate: [RestrictedGuardService],data: { perfil: ["ROLE_ADMIN"] }
    },//all other paths
...

} ]

@NgModule({
    imports: [RouterModule.forChild(routes)],exports: [RouterModule]
})
export class AdminRoutingModule { }

在 app-routing.module 中，我包括了相对路径

   {
        path: 'admin',loadChildren: './admin/admin.module#AdminModule',data: { perfil: ["ROLE_ADMIN"] }    
   },

我试图检查我在stackoverflow上找到的其他一些解决方案，例如放置完整路径而不是相对路径。我试图删除“ canActivate”和“数据”以查看其是否有效

app.module.ts 

import { APP_PROVIDERS } from "./app.providers";
import { browserModule } from "@angular/platform-browser";
import { NgModule,NO_ERRORS_SCHEMA,Injector } from "@angular/core";
import { HttpClient,HttpClientModule } from "@angular/common/http";
import { FormsModule,ReactiveFormsModule } from "@angular/forms";
import { CommonModule } from "@angular/common";
import { browserAnimationsModule } from "@angular/platform-browser/animations";
import { NoopAnimationsModule } from "@angular/platform-browser/animations";
import { MatButtonModule,MatCheckBoxModule,MatAutocompleteModule } from "@angular/material";
import { RouterModule,Router } from '@angular/router';
import { Http,XHRBackend,RequestOptions,HttpModule,JsonpModule} from "@angular/http";
import { AppRoutingModule } from "./app-routing.module";

//all libs

//all imports from components.ts (except admin components)

export function HttpLoaderFactory(httpClient: HttpClient) {
    return new TranslateHttpLoader(httpClient);
}

@NgModule({
    declarations: [
        // all components (except admin components)
   ],imports: [
        browserModule,HttpClientModule,FormsModule,CommonModule,ReactiveFormsModule,InfiniteScrollModule,ModalModule,JsonpModule,FloatNumberPipeModule,MomentPipeModule,MomentTimePipeModule,TruncatePipeModule,SanitizerHtmlModule,NgxMaskModule.forRoot(),TranslateModule.forRoot({
            loader: {
                provide: TranslateLoader,useFactory: HttpLoaderFactory,deps: [HttpClient]
            }
        }),NgProgressModule.forRoot(),NgProgressRouterModule.forRoot(),NgProgressHttpModule.forRoot(),NgbCollapseModule,NgbTooltipModule,CollapseModule.forRoot(),browserAnimationsModule,NoopAnimationsModule,MatButtonModule,MatAutocompleteModule,FilterTagPipeModule,NgCircleProgressModule.forRoot({}),LyCommonModule,LyThemeModule.setTheme("minima-light"),LyToolbarModule,LyResizingCroppingImageModule,LyButtonModule,LyIconButtonModule,LyIconModule,LyInputModule,DeviceDetectorModule.forRoot(),CKEditorModule,FontAwesomeModule,NgxPaginationModule,NgxSpinnerModule,AppRoutingModule,],providers: [
        APP_PROVIDERS,{
            provide: Http,useFactory: xReducer,deps: [XHRBackend,Injector]
        },{ provide: LY_THEME,useClass: MinimaLight,multi: true },useClass: MinimaDark,multi: true }
    ],bootstrap: [AppComponent],schemas: [NO_ERRORS_SCHEMA]
})
export class AppModule {}

export function xReducer(
    xhrBackend: XHRBackend,requestOptions: RequestOptions,injector: Injector
) {
    return new InterceptedHttp(xhrBackend,requestOptions,injector);
}

解决方法

尝试使用模块导入的新语法：

loadChildren: () => import('./module/module.module').then(mod => mod.ModuleModule)
angularangularangular-moduleangular7