匯入標頭檔案

//匯入系統類
#import <MapKit/MapKit.h>
//匯入獲取經緯度類
#import <CoreLocation/CoreLocation.h>
//設定協議

@interface MapUIkit ()

<MKMapViewDelegate,CLLocationManagerDelegate>

//建立地圖物件
@property(nonatomic,strong)MKMapView *MapView;
@property(nonatomic,strong)CLLocationManager *lomanger;

@end

@implementation MapUIkit

• (void)viewDidLoad {

  [super viewDidLoad];
  //設定導航標題
  self.navigationItem.title =self.provie;
  //設定右側按鈕
  //self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@“省會定位” style:UIBarButtonItemStyleDone target:self action:@selector(YOU:)];
  //例項化
  self.MapView = [[MKMapView alloc] initWithFrame:self.view.frame];
  //設定代理
  self.MapView.delegate = self;
  //設定地圖樣式
  self.MapView.mapType = MKMapTypeStandard;
  //載入檢視
  [self.view addSubview:self.MapView];
  //設定按鈕
  UIButton *butt = [UIButton buttonWithType:UIButtonTypeCustom];
  //設定
  butt.frame = CGRectMake(40, 600,50, 50);
  //新增文字
  [butt setTitle:@“當前位置” forState:UIControlStateNormal];
  butt.titleLabel.font = [UIFont systemFontOfSize:10];
  //新增點選事件
  [butt addTarget:self action:@selector(dian:) forControlEvents:UIControlEventTouchUpInside];
  butt.layer.masksToBounds = YES;
  butt.layer.cornerRadius = 25;
  butt.backgroundColor = [UIColor greenColor];
  //新增檢視
  [self.view addSubview:butt];
  //例項化經緯度類
  self.lomanger = [[CLLocationManager alloc] init];
  //申請使用者授權使用者進入後臺不在授權
  [self.lomanger requestWhenInUseAuthorization];
  }

• (void)YOU:(id)seb{
  //
  CLGeocoder *g = [[CLGeocoder alloc] init];
  //將地址字串轉換為位置的經緯度
  [g geocodeAddressString:self.provie completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
  //獲取位置隨便展示在地圖上
  CLPlacemark *place = [placemarks lastObject];
  //獲取位置
  CLLocation *loc =place.location;
  CLLocationCoordinate2D coor = loc.coordinate;
  //定位
  MKPointAnnotation *anne = [[MKPointAnnotation alloc] init];
  //設定挫釘
  anne.coordinate = coor;
  //回到主執行緒
  dispatch_async(dispatch_get_main_queue(), ^{
  //設定讓地圖顯示區域縮小
  MKCoordinateRegion rgin =MKCoordinateRegionMakeWithDistance(coor, 10, 10);
  //新增到檢視
  [self.MapView setRegion:rgin];
  [self.MapView addAnnotation:anne];
  });
  }];
  }
  //實現點選方法

• (void)dian:(id)sender{
  //設定代理
  self.lomanger.delegate = self;
  //開始獲取位置資訊 呼叫此方法後協議中的方法才會執行

  [self.lomanger startUpdatingLocation];
  }
  //實現代理方法

• (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{
  //建立物件獲取當前獲取最後一個元素
  CLLocation *curloc = [locations lastObject];
  //建立結構體 獲取經緯度
  CLLocationCoordinate2D curCoor = curloc.coordinate;
  self.lomanger.delegate = nil;
  //輸出經緯度
  NSLog(@“經度%g,緯度%g”,curCoor.longitude,curCoor.latitude);

  //設定讓地圖顯示區域縮小
  MKCoordinateRegion rgin =MKCoordinateRegionMakeWithDistance(curCoor, 30, 30);
  //設定動畫並新增
  [self.MapView setRegion:rgin animated:YES];
  //將地址經緯度轉換為字串
  CLGeocoder *Geder = [[CLGeocoder alloc] init];
  //設定方法
  [Geder reverseGeocodeLocation:curloc completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
  //建立非同步佇列回到主執行緒
  dispatch_async(dispatch_get_main_queue(), ^{
  //獲取最後一個經緯度轉換為字串
  CLPlacemark *place = [placemarks firstObject];
  //設定大頭針
  MKPointAnnotation *pino = [[MKPointAnnotation alloc] init];
  //將獲取的地址名字給大頭針
  pino.title = place.name;
  //設定大頭針的位置
  pino.coordinate = curCoor;
  //新增到地圖上
  [self.MapView addAnnotation:pino];
  });
  }];
  }
  //實現大頭針點選事件

• (nullable MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id )annotation{
  //從MAPView找一塊可用的記憶體
  MKPinAnnotationView *kl =[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@“1”];
  //設定動畫
  kl.animatesDrop = YES;
  //設定
  kl.canShowCallout = YES;
  //返回內容
  return kl;

}
@end