CoreLocation CLGeocoder 定位 反向地理编码

{
    CLLocationManager       *_locationManager;
    CLGeocoder              *_geocoder;
}

@protocol

CLLocationManagerDelegate

PList

NSLocationAlwaysUsageDescription
    定位请求
    NSLocationWhenInUseUsageDescription
    定位请求

  _locationManager = [[CLLocationManager alloc]init];
    _geocoder = [[CLGeocoder alloc]init];
    if (![CLLocationManager locationServicesEnabled]) {
        NSLog(@"定位服务当前可能尚未打开，请设置打开！");
        return;
    }
    //如果没有授权则请求用户授权
    if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined){
        
        [_locationManager requestWhenInUseAuthorization];
        
    }else{
        //设置代理
        _locationManager.delegate = self;
        //设置定位精度
        _locationManager.desiredAccuracy = kCLLocationAccuracyBest;
        //定位频率,每隔多少米定位一次
        CLLocationDistance distance=10.0;//十米定位一次
        _locationManager.distanceFilter=distance;
        [_locationManager startUpdatingLocation];
    }

#pragma mark - CoreLocation
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
    CLLocation *location=[locations firstObject];
    CLLocationCoordinate2D coordinate=location.coordinate;
    NSLog(@"经度：%f,纬度：%f,海拔：%f,航向：%f,行走速度：%f",coordinate.longitude,coordinate.latitude,location.altitude,location.course,location.speed);

    [_locationManager stopUpdatingLocation];
    //[self getAddressByLatitude:coordinate.latitude longitude:coordinate.longitude];
    // 反向地理编码
    [_geocoder reverseGeocodeLocation:location completionHandler:^(NSArray * _Nullable placemarks, NSError * _Nullable error) {
        
        CLPlacemark *placemark=[placemarks firstObject];
        NSLog(@"详细信息:%@",placemark.addressDictionary);
        /*
        SubLocality = 东城区,
        CountryCode = CN,
        Street = 鼓楼外大街,
        State = 北京市,
        Name = 中国北京市东城区和平里街道鼓楼外大街,
        Thoroughfare = 鼓楼外大街,
        FormattedAddressLines = [
        中国北京市东城区和平里街道鼓楼外大街
        ],
        Country = 中国,
        City = 北京市
         */
        _positioningV.place = [placemark.addressDictionary objectForKey:@"State"];
    }];
}