5.聚集操作:删除原理的大头针,在新经纬度添加大头针,并将地图移动到新的经纬度(反地理编码获得位置信息)

1 override func viewDidLoad() { 2 super.viewDidLoad() 3 // Do any additional setup after loading the view, typically from a nib. 4 5 let mapView = MKMapVie...