ngxs选择器显示数据(嵌套的json数据)

{
  "user": {
    "name": "John",
    "age": 25,
    "address": {
      "city": "New York",
      "country": "USA"
    }
  }
}

import { Selector } from '@ngxs/store';

export class UserSelectors {
  @Selector()
  static getNameAndCity(state: any) {
    return {
      name: state.user.name,
      city: state.user.address.city
    };
  }
}

import { Store } from '@ngxs/store';
import { UserSelectors } from './user.selectors';

export class AppComponent {
  constructor(private store: Store) {
    const nameAndCity = this.store.select(UserSelectors.getNameAndCity);
    console.log(nameAndCity); // 输出 { name: 'John', city: 'New York' }
  }
}