系统定位

#import"ViewController.h"
#import <CoreLocation/CoreLocation.h>



@interfaceViewController()<CLLocationManagerDelegate>

@property(nonatomic,retain)CLLocationManager*manger;

@end

@implementationViewController

- (void)viewDidLoad {
    [superviewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    /**
     定位
    
     - returns:
     */
   
    self.manger= [[CLLocationManageralloc]init];
    self.manger.delegate= self;
    //距离刷新
    self.manger.distanceFilter= 10;
    //定位精度
    self.manger.desiredAccuracy= kCLLocationAccuracyBestForNavigation;
    //开始定位
    [self.mangerstartUpdatingLocation];
    //设置什么时候开始定位
    //程序只要运行就会定位
    [self.mangerrequestAlwaysAuthorization];
    //程序运行就会定位
    [self.mangerrequestWhenInUseAuthorization];
    //计算经纬度之间的距离
    [selfcountdistance];
   
   
   
   
   
}

-(void)countdistance{
    CLLocation *location = [[CLLocationalloc]initWithLatitude:23.3longitude:113.33];
    CLLocation *locationEnd = [[CLLocationalloc]initWithLatitude:40.60longitude:117.78];
    //计算距离调用方法
    CLLocationDistance distance  = [locationdistanceFromLocation:locationEnd];
    NSLog(@"distance =======  %f",distance);
   
   
   
   
   
}

-(void)locationManager:(CLLocationManager*)manager didUpdateLocations:(NSArray<CLLocation*> *)locations{
   
    //获取用户位置的对象
    CLLocation *location = [locationslastObject];
    CLLocationCoordinate2D coordinate = location.coordinate;
    NSLog(@"经度: %f, 纬度: %f",coordinate.latitude,coordinate.longitude);
    //停止定位
    [self.mangerstopUpdatingLocation];
   
}

- (void)didReceiveMemoryWarning {
    [superdidReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end