import { NgModule } from '@angular/core';

import { CommonModule } from '@angular/common';

import { C1Component } from './c1/c1.component';

import { C2Component } from './c2/c2.component';

import {S1Service} from './s1.service';

@NgModule({

declarations: [C1Component, C2Component],

imports: [

CommonModule

],

// 这里声明服务

providers: [S1Service],

// 这里声明导出的组件

exports: [C1Component, C2Component]

})

export class MyModuleModule { }

constructor(svc: S1Service) {

  svc.show();

}