Xcode9学习笔记36

import UIKitimport MapKit//往视图控制器类中引入地图框架class ViewController: UIViewController, MKMapViewDelegate {//添加地理视图代理协议    override func viewDidLoad() {        super.viewDidLoad()        // Do any additional setup after loading the view, typically from a nib.        let map = MKMapView(frame: self.view.bounds)//初始化一个地图对象，位置和尺寸与根视图一致        map.showsUserLocation = true//在地图中显示当前用户的地理位置        map.mapType = MKMapType.satellite//设置地图视图的显示样式为卫星模式