#import 
     
         使用到的头文件  要引入CoreLocation这个包
      
                    使用的代理名称//1.使用定位服务    //设置app有访问定位服务的权限    //在使用应用期间 / 始终(app在后台)    //info.plist文件添加以下两条(或者其中一条):    //NSLocationWhenInUseUsageDescription 在使用应用期间    //NSLocationAlwaysUsageDescription  始终    //2.LocationManager 对象管理相关的定位服务    _manager = [[CLLocationManager alloc] init];    //manager判断: 手机是否开启定位 / app是否有访问定位的权限    //[CLLocationManager locationServicesEnabled]; //手机是否开启定位    //[CLLocationManager authorizationStatus];  //app访问定位的权限的状态    if (![CLLocationManager locationServicesEnabled] || [CLLocationManager authorizationStatus] != kCLAuthorizationStatusAuthorizedWhenInUse) {        [_manager requestWhenInUseAuthorization]; //向用户请求访问定位服务的权限    }    _manager.delegate = self;    _manager.desiredAccuracy = kCLLocationAccuracyBest;    _manager.distanceFilter = 1.0f;    [_manager startUpdatingLocation];//定位代理经纬度回调-(void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation {    [_manager stopUpdatingLocation];    CLGeocoder * geoCoder = [[CLGeocoder alloc] init];    [geoCoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray *placemarks, NSError *error) {        for (CLPlacemark * placemark in placemarks) {            NSDictionary *test = [placemark addressDictionary];            //  Country(国家)  State(城市)  SubLocality(区) Name全称            NSLog(@"%@", [test objectForKey:@"Name"]);        }    }];}