Angular里注入service的方式

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1、module里注入

@NgModule({
    imports: [
        BatchExtractionRoutingModule,
        SharedModule
    ],
    exports: [
        BatchExtractionComponent
    ],
    declarations: [
        BatchExtractionComponent
    ],
    providers: [
        VideoManageListService
    ],
})

2、组件里注入

@Component({
    selector: 'app-video-manage-list',
    templateUrl: './video-manage-list.component.html',
    styleUrls: ['./video-manage-list.component.scss'],
    providers: [VideoManageListService]
})