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我正在尝试从我的模块之一导出服务，但我只收到以下错误:
ERROR Error: Uncaught (in promise):
Error: Can't export value ConfirmDialogService from SharedModule as it was neither declared nor imported!
我的模块如下:
import { NgModule } from "@angular/core";
import { CommonModule } from "@angular/common";
import { FormsModule } from "@angular/forms";
import { RouterModule } from "@angular/router";
import { MaterialModule } from "@angular/material";
import { ConfirmDialogComponent } from './confirm-dialog/confirm-dialog.component';
import { ConfirmDialogService } from './confirm-dialog/confirm-dialog.service';
@NgModule({
imports: [
RouterModule,
CommonModule,
MaterialModule,
FormsModule
],
providers: [
ConfirmDialogService
],
declarations: [
ConfirmDialogComponent
],
exports: [
ConfirmDialogComponent
ConfirmDialogService
]
})
export class SharedModule {}
文件确实存在并且在 TS 中被正确引用，但在运行应用程序时出现错误。