// 首先建立一個類 接受 <MKAnnotation> 

LHAnnotation.h

#import <Foundation/Foundation.h>

#import <MapKit/MKMapView.h>

@interface LHAnnotation : NSObject<MKAnnotation>

// Center latitude and longitude of the annotion view.

// The implementation of this property must be KVO compliant.

@property (nonatomic, assign) CLLocationCoordinate2D coordinate;

// Title and subtitle for use by selection UI.

@property (nonatomic, copy) NSString *title;

@property (nonatomic, copy) NSString *subtitle;

@end

MapViewController.h

#import "ViewController.h"

#import <MapKit/MKMapView.h>

@interface MapViewController : ViewController<CLLocationManagerDelegate>

@property (weak, nonatomic) IBOutlet MKMapView *mapView;

@end

MapViewController.m

#import "MapViewController.h"

#import "LHAnnotation.h"

@interface MapViewController ()<MKMapViewDelegate>

@end

@implementation MapViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

//    UITapGestureRecognizer *mTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapPress:)];

    UILongPressGestureRecognizer *mTap = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(tapPress:)];

    [self.mapView addGestureRecognizer:mTap];

}

- (void)tapPress:(UIGestureRecognizer*)gestureRecognizer {

    [_mapView removeOverlays:_mapView.overlays];

    [_mapView removeAnnotations:_mapView.annotations];

    CGPoint touchPoint = [gestureRecognizer locationInView:self.mapView];//這裡touchPoint是點選的某點在地圖控制元件中的位置

    CLLocationCoordinate2D touchMapCoordinate =[self.mapView convertPoint:touchPoint toCoordinateFromView:self.mapView];//這裡touchMapCoordinate就是該點的經緯度了

    NSLog(@"touching %f,%f",touchMapCoordinate.latitude,touchMapCoordinate.longitude);

    CLGeocoder *geocoder = [[CLGeocoder alloc]init];

    CLLocation *location = [[CLLocation alloc]initWithLatitude:touchMapCoordinate.latitude longitude:touchMapCoordinate.longitude];

    __block NSString *name = nil;

        [geocoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {

            for (CLPlacemark *place in placemarks) {

                NSDictionary *location =[place addressDictionary];

                NSLog(@"國家：%@",[location objectForKey:@"Country"]);

                NSLog(@"城市：%@",[location objectForKey:@"State"]);

                NSLog(@"區：%@",[location objectForKey:@"SubLocality"]);

                NSLog(@"位置：%@", place.name);

                NSLog(@"國家：%@", place.country);

                NSLog(@"城市：%@", place.locality);

                NSLog(@"區：%@", place.subLocality);

                NSLog(@"街道：%@", place.thoroughfare);

                NSLog(@"子街道：%@", place.subThoroughfare);

                name = place.name;

                LHAnnotation* annotation=[[LHAnnotation alloc]init];

                annotation.coordinate=CLLocationCoordinate2DMake(touchMapCoordinate.latitude, touchMapCoordinate.longitude);

                annotation.title=name;

                //    [email protected]"123";

                [self.mapView addAnnotation:annotation];

            }

        }];

}

-(void)setMap

{

    self.mapView=[[MKMapView alloc]init];

    self.mapView.frame=self.view.bounds;

    /**

     *mapType

     *

     * MKMapTypeStandard = 0,

     MKMapTypeSatellite,

     MKMapTypeHybrid

     */

    self.mapView.mapType=MKMapTypeStandard;

    /**

     *Set to YES to add the user location annotation to the map and start updating its location

     */

    self.mapView.showsUserLocation=NO;

    /**

     *Zoom and scroll are enabled by default.

     */

    self.mapView.scrollEnabled=YES;

    self.mapView.zoomEnabled=YES;

    /**

     *Rotate and pitch are enabled by default on Mac OS X and on iOS 7.0 and later.

     */

    self.mapView.pitchEnabled=YES;

    self.mapView.rotateEnabled=YES;

    [self.view addSubview:self.mapView];

}