Javascript 在标记中插入变量时角度崩溃
我开始研究星云,现在我有点被卡住了 app.module.ts:Javascript 在标记中插入变量时角度崩溃,javascript,angular,nebular,Javascript,Angular,Nebular,我开始研究星云,现在我有点被卡住了 app.module.ts: import { NgModule } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { RouterModule, Routes } from '@angular/router'; import { AppComponent } from './app.component'; import { Br
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { RouterModule, Routes } from '@angular/router';
import { AppComponent } from './app.component';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { HttpClientModule } from '@angular/common/http';
import {
NbThemeModule,
NbLayoutModule,
NbContextMenuModule,
NbActionsModule,
NbMenuModule,
NbSidebarModule,
NbSidebarService,
NbCardModule
} from '@nebular/theme';
const routes: Routes = [
{ path: '', redirectTo: '/', pathMatch: 'full' },
];
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
BrowserAnimationsModule,
RouterModule.forRoot(routes),
HttpClientModule,
NbThemeModule.forRoot(),
NbLayoutModule,
NbContextMenuModule,
NbActionsModule,
NbMenuModule,
NbSidebarModule,
NbCardModule,
],
providers: [NbSidebarService],
bootstrap: [AppComponent],
})
export class AppModule { }
我在AppComponent中创建了一个简单的UI:
<nb-card>
<nb-menu [items]="items">
</nb-menu>
</nb-card></nb-sidebar><nb-layout-column>
<nb-layout-header fixed>
<nb-actions class="left">
<nb-action class="profile" nbContextMenuPlacement="bottom">Profile</nb-action>
<nb-action>Settings</nb-action>
</nb-actions>
</nb-layout-header>
<router-outlet></router-outlet>
</nb-layout-column>
</nb-layout>
插入item变量时,角度崩溃。如果没有变量,它可以正常工作
ERROR NullInjectorError: R3InjectorError(AppModule)[NbMenuInternalService -> NbMenuInternalService -> NbMenuInternalService]:
NullInjectorError: No provider for NbMenuInternalService!
Angular 9
get
get
get
get
get
get
lookupTokenUsingModuleInjector
getOrCreateInjectable
directiveInject
NbMenuComponent_Factory index.js:11914
Angular 5
getNodeInjectable
instantiateAllDirectives
createDirectivesInstances
elementStart
element
AppComponent_Template app.component.html:5
Angular 20
executeTemplate
renderView
renderComponent
renderChildComponents
renderView
create
bootstrap
_moduleDoBootstrap
_moduleDoBootstrap
bootstrapModuleFactory
invoke
onInvoke
invoke
run
scheduleResolveOrReject
invokeTask
onInvokeTask
invokeTask
runTask
drainMicroTaskQueue
我什么也找不到,我真的很绝望。提前感谢。您应该将NbMenuInternalService添加到应用程序模块中的提供商:
providers: [NbSidebarService, NbMenuInternalService],
有关更多详细信息:您可以访问链接
另外,对NbMenuModule进行以下更改:
imports: [
BrowserModule,
BrowserAnimationsModule,
RouterModule.forRoot(routes),
HttpClientModule,
NbThemeModule.forRoot(),
NbLayoutModule,
NbContextMenuModule,
NbActionsModule,
NbMenuModule.forRoot(), // change this line
NbSidebarModule,
NbCardModule,
],
您不能添加InternalService,但forRoot有效。谢谢=)
imports: [
BrowserModule,
BrowserAnimationsModule,
RouterModule.forRoot(routes),
HttpClientModule,
NbThemeModule.forRoot(),
NbLayoutModule,
NbContextMenuModule,
NbActionsModule,
NbMenuModule.forRoot(), // change this line
NbSidebarModule,
NbCardModule,
],