非angular类如何使用angular服务及其dep

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

@Injectable({
  providedIn: 'root'
})
export class MyService {
  getData(): string {
    return 'Data from Angular service';
  }
}

import { MyService } from './myService.service';

class NonAngularClass {
  private myService: MyService;

  constructor(myService: MyService) {
    this.myService = myService;
  }

  useService(): void {
    const data = this.myService.getData();
    console.log(data);
  }
}

import { MyService } from './myService.service';
import { NonAngularClass } from './nonAngularClass';

const myService = new MyService();
const nonAngularClass = new NonAngularClass(myService);
nonAngularClass.useService();