string
类型。
AgmMarker
期望
latitude
和
longitude
价值观
number
map.component.html:
<agm-map [latitude]="lat" [longitude]="lng">
<agm-marker [latitude]="lat" [longitude]="lng"></agm-marker>
</agm-map>
export class MapComponent implements OnInit {
lat: number;
lng: number;
constructor(private http: HttpClient) {}
ngOnInit() {
this.initData();
}
initData(): void {
this.http.get<{}>('./assets/data.json')
.subscribe(result => {
console.log(result);
this.lat = parseFloat(result['lat']);
this.lng = parseFloat(result['lng']);
});
}
}
Here is a demo
供参考