Google place automplete Angular，如果未找到结果，则获取文本

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-place-autocomplete',
  templateUrl: './place-autocomplete.component.html',
  styleUrls: ['./place-autocomplete.component.css']
})
export class PlaceAutocompleteComponent implements OnInit {
  autoCompleteService: google.maps.places.AutocompleteService;
  places: google.maps.places.PlaceResult[];

  constructor() {
    this.autoCompleteService = new google.maps.places.AutocompleteService();
    this.places = [];
  }

  ngOnInit() {}

  onPlaceChange(input: HTMLInputElement) {
    if (input.value) {
      this.autoCompleteService.getPlacePredictions(
        { input: input.value },
        (predictions, status) => {
          if (status === google.maps.places.PlacesServiceStatus.OK) {
            this.places = predictions;
          }
        }
      );
    } else {
      this.places = [];
    }
  }

  onPlaceSelect(place: google.maps.places.PlaceResult) {
    console.log(place);
  }
}