角度延迟加载问题

Question

我正在尝试实现延迟加载并尝试延迟加载登录组件，但是当单击登录链接时，出现异常“无法匹配任何路由”。

//app.component.html
<nav class="navbar navbar-default">
  <div class="container-fluid">
    <div class="navbar-header">
      <a class="navbar-brand" href="#">Register / Login</a>
    </div>
    <ul class="nav navbar-nav">
      <li><a routerLink="signin" routerLinkActive="nav-link active">Sign In</a></li>
      <li><a>Sign Up</a></li>
      <li><a routerLink="help" routerLinkActive="nav-link active">Help</a></li>
    </ul>
  </div>
</nav>
<div>
</div>
<router-outlet></router-outlet>



//app.module.ts
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router'

import { AppComponent } from './app.component';
import { HelpComponent } from './help/help.component';

const route: Routes = [
  {
    path: '', component: HelpComponent
  },
  {
    path: 'lazymodule', loadChildren: './login-register/login-register.module#LoginRegisterModule'
  },
  {
    path: 'help', component: HelpComponent
  }
];

@NgModule({
  declarations: [
    AppComponent,
    HelpComponent
  ],
  imports: [
    BrowserModule,
    RouterModule.forRoot(route)
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }



//login-register.module.ts
import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { SignInComponent } from './sign-in/sign-in.component';
import { FormsModule } from '../../../node_modules/@angular/forms';
import { Routes, RouterModule } from '../../../node_modules/@angular/router';

const route: Routes = [
  {path: 'signin', component: SignInComponent}
]

@NgModule({
  imports: [
    CommonModule,
    FormsModule,
    RouterModule.forChild(route)
  ],
  declarations: [SignInComponent]
})
export class LoginRegisterModule { }

登录组件位于 app-> login-register->登录文件夹中。请指教。

Answer 1

使用粗箭头功能，则不必担心模块的路径

例如

{ path: 'lazymodule', loadChildren: () => LoginRegisterModule }

和您的 routerLink 应该是

<li><a routerLink="/lazymodule/signin" routerLinkActive="nav-link active">Sign In</a></li>

Answer 2

Ng5-Lazy-loading-bug-cli-1.7.1错误：

angular-cli1.7.1对于在字符串中懒惰laoding有问题

{path：'user-panel'，loadChildren：'./user-panel/user-panel.module#UserPanelModule'，}，->会给错误一些时间。

到 {path：'user-panel'，loadChildren：（）=> UserPanelModule，}，

从routing.ts中的“ /模块路径”导入{UserPanelModule} 将延迟加载到预加载器模块中->将模块作为组件级别加载-将模块作为组件加载。

Answer 3

您的路线不正确。 试试这个：

//app.component.html
<nav class="navbar navbar-default">
  <div class="container-fluid">
    <div class="navbar-header">
      <a class="navbar-brand" href="#">Register / Login</a>
    </div>
    <ul class="nav navbar-nav">
      <li><a routerLink="lazymodule/signin" routerLinkActive="nav-link active">Sign In</a></li>
      <li><a>Sign Up</a></li>
      <li><a routerLink="help" routerLinkActive="nav-link active">Help</a></li>
    </ul>
  </div>
</nav>
<div>
</div>
<router-outlet></router-outlet>

Answer 4

您可以这样做

//app.component.html
    <nav class="navbar navbar-default">
      <div class="container-fluid">
        <div class="navbar-header">
          <a class="navbar-brand" href="#">Register / Login</a>
        </div>
        <ul class="nav navbar-nav">
          <li><a routerLink="lazymodule/signin" routerLinkActive="nav-link active">Sign In</a></li>
          <li><a>Sign Up</a></li>
          <li><a routerLink="help" routerLinkActive="nav-link active">Help</a></li>
        </ul>
      </div>
    </nav>
    <div>
    </div>

<router-outlet></router-outlet>

// login-register-module.ts

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { SignInComponent } from './sign-in/sign-in.component';
import {FormsModule} from '@angular/forms';
import {Routes,RouterModule} from '@angular/router';

const route: Routes = [
  {path: 'signin', component: SignInComponent}
]

@NgModule({
  imports: [
    CommonModule,
    FormsModule,
    RouterModule.forChild(route)
  ],
  declarations: [SignInComponent]
})
export class LoginRegisterModule { }

// app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router'

import { AppComponent } from './app.component';
import { HelpComponent } from './help/help.component';
import { LoginRegisterModule } from '../app/login-register/login-register.module';
const route: Routes = [
  {
    path: '', component: HelpComponent
  },
  {
    path: 'lazymodule', loadChildren: () => LoginRegisterModule
  },
  {
    path: 'help', component: HelpComponent
  }
];

@NgModule({
  declarations: [
    AppComponent,
    HelpComponent
  ],
  imports: [
    BrowserModule,
    RouterModule.forRoot(route)
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

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