如何在angular2中使用sharedModule?
我有一个angular2组件,我想在多个模块之间共享 所以我在下面写了sharedModule如何在angular2中使用sharedModule?,angular,typescript,angular2-modules,ng-modules,Angular,Typescript,Angular2 Modules,Ng Modules,我有一个angular2组件,我想在多个模块之间共享 所以我在下面写了sharedModule import { NgModule } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import {GenericComponent} from './generic/generic.component'; @NgModule({ imports: [ Brow
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import {GenericComponent} from './generic/generic.component';
@NgModule({
imports: [ BrowserModule ],
declarations: [ GenericComponent ],
exports: [ GenericComponent ]
})
export class SharedModule { }
然后我将这个sharedModule添加到多个模块中,如下所示:
应用程序模块.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import {SharedModule} from './shared.module';
import { AppComponent } from './app.component';
@NgModule({
imports: [ BrowserModule,SharedModule ],
declarations: [ AppComponent ],
exports: [ AppComponent ],
bootstrap: [AppComponent]
})
export class AppModule { }
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import {SharedModule} from './shared.module';
@NgModule({
imports: [ BrowserModule,SharedModule ],
declarations: [ //.. here I have added all the components that generic uses ]
})
export class GenericModule { }
我还向generic.module.ts添加了sharedModule,类似地
通用.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import {SharedModule} from './shared.module';
import { AppComponent } from './app.component';
@NgModule({
imports: [ BrowserModule,SharedModule ],
declarations: [ AppComponent ],
exports: [ AppComponent ],
bootstrap: [AppComponent]
})
export class AppModule { }
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import {SharedModule} from './shared.module';
@NgModule({
imports: [ BrowserModule,SharedModule ],
declarations: [ //.. here I have added all the components that generic uses ]
})
export class GenericModule { }
但当我试图在generic.module.ts的组件中使用generic组件时,我遇到了以下错误
模块“GenericModule”导入的意外值“undefined”
您不能在featureModule中使用BroswerModule。因此,请确保使用CommonModule而不是BrowswerModule
import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import {SharedModule} from './shared.module';
@NgModule({
imports: [ CommonModule ,SharedModule ],
declarations: [ //.. here I have added all the components that generic uses ],
exports: [ CommonModule]
})
export class GenericModule { }
以下是我的应用程序使用共享模块的代码:
@NgModule({
imports: [CommonModule, RouterModule, MenubarModule, GalleriaModule, InputTextModule, PanelModule, ButtonModule,
DropdownModule, DialogModule, AccordionModule, CalendarModule, SelectButtonModule, CheckboxModule,
ProgressBarModule, DataTableModule],
declarations: [ ErrorMessagesComponent, FoodDashboardComponent ],
exports: [ CommonModule, ReactiveFormsModule, HttpModule, RouterModule,
MenubarModule, GalleriaModule, InputTextModule, PanelModule, ButtonModule, DropdownModule, DialogModule, AccordionModule, CalendarModule,
SelectButtonModule, CheckboxModule, DataTableModule, ProgressBarModule, ErrorMessagesComponent, FoodDashboardComponent ]
})
export class SharedModule {
//
static forRoot(): ModuleWithProviders {
return {
ngModule: SharedModule,
providers: [SettingsService, AppMenuService, AuthorizationService, LoginService, RegisterService, ThemeService, ValidationService,
NutritionixService, AuthGuardService, CalculationService, ChallengeService ]
};
}
}
应用程序模块:
import { AboutModule } from './about/about.module';
import { SharedModule } from './shared/shared.module';
import { Menubar, MenuItem } from 'primeng/primeng';
@NgModule({
imports: [ BrowserModule, RouterModule.forRoot(appRoutes), SharedModule.forRoot(),
HomeModule ],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ],
providers: [ appRoutingProviders ]
})
export class AppModule {}
家庭模块:
import { SharedModule } from '../shared/shared.module';
import {routing} from './home.routing'
@NgModule({
imports: [ SharedModule, routing],
declarations: [ HomeComponent, LoginComponent, RegisterComponent, VerifyComponent,
VerifyEmailComponent, ForgotComponent, ForgotVerifyComponent,
ChangeComponent, ChallengeComponent, LogoutComponent ],
bootstrap: [ HomeComponent ],
providers: [ ]
})
export class HomeModule {}
和共享模块:
@NgModule({
imports: [CommonModule, RouterModule, MenubarModule, GalleriaModule, InputTextModule, PanelModule, ButtonModule,
DropdownModule, DialogModule, AccordionModule, CalendarModule, SelectButtonModule, CheckboxModule,
ProgressBarModule, DataTableModule],
declarations: [ ErrorMessagesComponent, FoodDashboardComponent ],
exports: [ CommonModule, ReactiveFormsModule, HttpModule, RouterModule,
MenubarModule, GalleriaModule, InputTextModule, PanelModule, ButtonModule, DropdownModule, DialogModule, AccordionModule, CalendarModule,
SelectButtonModule, CheckboxModule, DataTableModule, ProgressBarModule, ErrorMessagesComponent, FoodDashboardComponent ]
})
export class SharedModule {
//
static forRoot(): ModuleWithProviders {
return {
ngModule: SharedModule,
providers: [SettingsService, AppMenuService, AuthorizationService, LoginService, RegisterService, ThemeService, ValidationService,
NutritionixService, AuthGuardService, CalculationService, ChallengeService ]
};
}
}
我的应用程序中有20多个模块,我到处使用共享模块。这个很好用。希望有帮助。我看不到
GenericModule
在任何地方。。请添加它。您是否也将GenericModule导入SharedModule?我以前有过这种情况,它导致了一个失败的通告dependency@peeskillet不我正在sharedModule内部导入generic.component,并且在genericModule&AppModule@peeskillet其实我有这个问题。我的sharedModule包含一个管道和一个模块(a),模块a需要ShareModule的管道,因此我从模块a中导入它。但是我有一个错误由模块“a”导入的意外值“undefined”
。在这种情况下,我应该怎么做?仍然会出现错误:nexpected value'undefined'由模块'GenericModule'导入。
我认为您导入的东西之一没有找到。通过逐个删除进行检查,这样您就可以得到哪个导入会给您带来错误我是否也应该将GenericComponent添加到generic.module内的声明中@但你的目的并不明确。它是一个懒惰的模块还是什么?我看不到GenericModule和AppModule之间的任何连接。为什么到处都注入sharedModule?要问的问题太多了。我也尝试在generic.module中导入generic.component,但仍然不起作用