- (void)viewDidLoad {

[self startLocation];

}

//开始定位

-(void)startLocation{

    self.locationManager = [[CLLocationManager alloc] init];

    self.locationManager.delegate = self;

    [self.locationManager requestWhenInUseAuthorization];

    if ([[[UIDevice currentDevice]systemVersion]doubleValue]>=8.0) {

        [self.locationManager requestWhenInUseAuthorization];

        [self.locationManager requestAlwaysAuthorization];

    }

    [self.locationManager startUpdatingLocation];

    if ([CLLocationManager locationServicesEnabled]) {

        self.locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters;

        self.locationManager.distanceFilter = kCLDistanceFilterNone;

    }else

    {

        NSLog(@"open fail");

    }

}

#pragma mark - CoreLocation 代理

#pragma mark 跟踪定位代理方法，每次位置发生变化即会执行（只要定位到相应位置）

-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations

{

    CLLocation *location=[locations lastObject];

    CLLocationCoordinate2D coordinate=location.coordinate;

    NSLog(@"经度：%f,纬度：%f",coordinate.longitude,coordinate.latitude);

    self.longitude=coordinate.longitude;

    self.latitude=coordinate.latitude;

    //如果不需要实时定位，使用完即使关闭定位服务

    [self.locationManager stopUpdatingLocation];

    [self weiZhi];

}

-(void)weiZhi

{

    self.geocoder=[[CLGeocoder alloc]init];

    CLLocation *rr=[[CLLocation alloc]initWithLatitude:self.latitude longitude:self.longitude];

    [self.geocoder reverseGeocodeLocation:rr completionHandler:^(NSArray *placemarks, NSError *error) {

        CLPlacemark *mark=[placemarks objectAtIndex:];

        UILabel *currentLocation=[[UILabel alloc]initWithFrame:CGRectMake(, , , )];

        currentLocation.text=[NSString stringWithFormat:@"%@",mark.subLocality];

        [self.locationView addSubview:currentLocation];

    }];

}

-(void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status

{

     switch (status) {

         case kCLAuthorizationStatusNotDetermined:

         if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)])

         {

             [self.locationManager requestWhenInUseAuthorization];

         }

         break;

         default:

         break;

     }

}

//当定位出现错误时就会调用这个方法。

- (void)locationManager:(CLLocationManager *)manager

       didFailWithError:(NSError *)error

{

    NSLog(@"error-%@",error);

}