Angular路由器不显示我的组件

问题描述 投票:0回答:2

我有一个带有模块(InformationPagesModule模块)的Simple Angular 2 App,该模块包含两个惰性加载组件(Info1组件和Info2组件)。在浏览器中输入以下路线时,我想加载该组件:

http://localhost:4200/info1-加载Info1Component

http://localhost:4200/info2-加载Info2Component

这里是兴趣类别:

app.component.html

<router-outlet></router-outlet>

app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HomeComponent } from './home/home.component';
import { InformationPagesModule } from './information-pages/information-pages.module';

@NgModule({
  declarations: [
    AppComponent,
    HomeComponent
  ],
  imports: [
    BrowserModule,
    AppRoutingModule,
    SharedModule,
    InformationPagesModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

app-routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule, Router } from '@angular/router';
import { HomeComponent } from './home/home.component';

const routes: Routes = [
  {path:'', component: HomeComponent},
  {path:'info1', loadChildren: './information-pages/information-pages.module#InformationPagesModule'},
  {pathMatch:'full', path:'info2', loadChildren: './information-pages/information-pages.module#InformationPagesModule'},
  { path: '**', redirectTo: '' }
];
@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule],

})
export class AppRoutingModule { }

information-pages.module.ts

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';

import { InformationPagesRoutingModule } from './information-pages-routing.module';
import { Info1Component } from './info1/info1.component';
import { Info2Component } from './info2/info2.component';

@NgModule({
  imports: [
    CommonModule,
    InformationPagesRoutingModule
  ],
  declarations: [Info1Component, Info2Component]
})
export class InformationPagesModule { }

information-pages-routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { Info1Component } from './info1/info1.component';
import { Info2Component } from './info2/info2.component';

const routes: Routes = [
  {path:'info1', component: Info1Component},
  {path:'info2', component: Info2Component}
];

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

我的问题是,为什么在输入某些路线/ info1或/ info2时显示空白页面?

我应该如何在我的应用程序中配置路由以使其起作用?

非常感谢!

javascript angular typescript lazy-loading angular2-routing
2个回答
1
投票

在您的app-routing.module.ts中,您想声明一个父路由到一个延迟加载模块的所有路由。这意味着您可能希望将以/ info开头的所有路由映射到information-pages-routing.module.ts。在惰性加载的模块中声明的组件(info1和info2)的路由。

app-routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule, Router } from '@angular/router';
import { HomeComponent } from './home/home.component';

const routes: Routes = [
  { path:'', component: HomeComponent },
  { path: 'info', loadChildren: './information-pages/information-pages.module#InformationPagesModule' },
  { path: '**', redirectTo: '' }
];
@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule],

})
export class AppRoutingModule { }

文件information-pages-routing.module.ts保持不变

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { Info1Component } from './info1/info1.component';
import { Info2Component } from './info2/info2.component';

const routes: Routes = [
  {path:'info1', component: Info1Component},
  {path:'info2', component: Info2Component}
];

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

您现在可以通过路由/ info / info1访问Info1Component,并通过/ info / info2访问Info2Component。如果希望通过路由/ info1/ info2访问组件,则可以创建两个延迟加载的模块,也可以将/ info1重定向到/ info / info1] >


您也可以考虑像这样加载子模块:

{ path: 'info', loadChildren: () => import('./information-pages/information-pages.module').then(m => m.InformationPageModule) }

而不是

{ path: 'info', loadChildren: './information-pages/information-pages.module#InformationPagesModule' }

有关更多信息,请参阅官方文档https://angular.io/guide/lazy-loading-ngmodules


-1
投票

使用这种方式而不是使用模块级路由,请使用AppRoutingModule来路由您的组件。

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