angular 2从api检索令牌

import { Component, Inject } from '@angular/core';
import { MyService } from './my.service';

@Component({
  selector: 'my-component',
  template: '...',
})
export class MyComponent {
  constructor(@Inject(MyService) private myService: MyService) {
    // 使用myService进行操作
  }
}

import { Component, Injector } from '@angular/core';
import { MyService } from './my.service';

@Component({
  selector: 'my-component',
  template: '...',
})
export class MyComponent {
  private myService: MyService;

  constructor(private injector: Injector) {
    this.myService = this.injector.get(MyService);
    // 使用myService进行操作
  }
}