创建基础数据服务

src/app/pages/main/main.module.ts

@@ -6,6 +6,7 @@ import { NgZorroAntdModule } from 'ng-zorro-antd'
 import { PipesModule } from '../../pipes/pipes.module';
 import { MainComponent } from './main.component';
 import { MainRoutingModule } from './main-routing.module'
+import {BasicDataService} from '../basic-data-service'
 
 @NgModule({
     imports: [
@@ -16,6 +17,7 @@ import { MainRoutingModule } from './main-routing.module'
         PipesModule,
         MainRoutingModule
     ],
-    declarations: [MainComponent]
+    declarations: [MainComponent],
+    providers:[BasicDataService]
 })
 export class MainModule { }