通過(guò)懶加載創(chuàng)建LocationManager:
// 懶加載

• (CLLocationManager *)locationManager
  {
  if (_locationManager == nil) {
  // 創(chuàng)建
  _locationManager = [[CLLocationManager alloc] init];
  // 設(shè)置代理
  _locationManager.delegate = self;
  // 每隔多少M(fèi) 定位一次
  // _locationManager.distanceFilter = 100;

    /**
     kCLLocationAccuracyBestForNavigation // 最適合導(dǎo)航
     kCLLocationAccuracyBest; // 最好的
     kCLLocationAccuracyNearestTenMeters; // 10m
     kCLLocationAccuracyHundredMeters; // 100m
     kCLLocationAccuracyKilometer; // 1000m
     kCLLocationAccuracyThreeKilometers; // 3000m
     */
    // 精度越高越耗電
    _locationManager.desiredAccuracy = kCLLocationAccuracyBest;
    // 當(dāng)使用的時(shí)候
    [_locationManager requestWhenInUseAuthorization];
    // 一直使用
  

// [_locationManager requestAlwaysAuthorization];

}
return _locationManager;

}

locationManager的代理方法
// 獲取地理位置

• (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation > )locations
  {
  NSLog(@"定位到了");
  NSLog(@"%@",locations.lastObject);
  /
  • CLLocation 詳解
  • coordinate : 經(jīng)緯度
  • altitude : 海拔
  • course : 航向
  • speed ; 速度
    */
    CLLocation *location = locations.lastObject;

// CLLocation *locationNew = [CLLocation alloc] initWithLatitude: longitude:<#(CLLocationDegrees)#>
[self.geocoder reverseGeocodeLocation:locations.lastObject completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {

    CLPlacemark *placemark = placemarks.firstObject;
    NSLog(@"%@",placemark.addressDictionary);
    self.cityLabel.text = placemark.addressDictionary[@"City"];
    self.streetLabel.text = placemark.addressDictionary[@"Street"];
    self.guizhidaoLabel.text = placemark.addressDictionary[@"Name"];
}];

}
// 授權(quán)發(fā)生改變時(shí)會(huì)調(diào)用

• (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status
  {
  switch (status) {
  // 用戶(hù)還未決定
  case kCLAuthorizationStatusNotDetermined:
  {
  NSLog(@"用戶(hù)還未決定");
  break;
  }
  // 訪問(wèn)受限
  case kCLAuthorizationStatusRestricted:
  {
  NSLog(@"訪問(wèn)受限");
  break;
  }
  // 定位關(guān)閉時(shí)和對(duì)此APP授權(quán)為never時(shí)調(diào)用
  case kCLAuthorizationStatusDenied:
  {
  // 定位是否可用（是否支持定位或者定位是否開(kāi)啟）
  if([CLLocationManager locationServicesEnabled])
  {
  NSLog(@"定位開(kāi)啟蘑斧，但被拒");
  }else
  {
  NSLog(@"定位關(guān)閉竖瘾，不可用");
  }
  // NSLog(@"被拒");
  break;
  }
  // 獲取前后臺(tái)定位授權(quán)
  case kCLAuthorizationStatusAuthorizedAlways:
  // case kCLAuthorizationStatusAuthorized: // 失效花颗，不建議使用
  {
  NSLog(@"獲取前后臺(tái)定位授權(quán)");
  break;
  }
  // 獲得前臺(tái)定位授權(quán)
  case kCLAuthorizationStatusAuthorizedWhenInUse:
  {
  NSLog(@"獲得前臺(tái)定位授權(quán)");
  break;
  }
  default:
  break;
  }

}

pragma mark 根據(jù)地名確定地理坐標(biāo)

-(void)getCoordinateByAddress:(NSString *)address{
//地理編碼
[_geocoder geocodeAddressString:address completionHandler:^(NSArray *placemarks, NSError *error) {
//取得第一個(gè)地標(biāo)乐横，地標(biāo)中存儲(chǔ)了詳細(xì)的地址信息今野，注意：一個(gè)地名可能搜索出多個(gè)地址
CLPlacemark *placemark=[placemarks firstObject];

    CLLocation *location=placemark.location;//位置
    CLRegion *region=placemark.region;//區(qū)域
    NSDictionary *addressDic= placemark.addressDictionary;//詳細(xì)地址信息字典,包含以下部分信息

// NSString *name=placemark.name;//地名
// NSString *thoroughfare=placemark.thoroughfare;//街道
// NSString *subThoroughfare=placemark.subThoroughfare; //街道相關(guān)信息条霜，例如門(mén)牌等
// NSString *locality=placemark.locality; // 城市
// NSString *subLocality=placemark.subLocality; // 城市相關(guān)信息宰睡，例如標(biāo)志性建筑
// NSString *administrativeArea=placemark.administrativeArea; // 州
// NSString *subAdministrativeArea=placemark.subAdministrativeArea; //其他行政區(qū)域信息
// NSString *postalCode=placemark.postalCode; //郵編
// NSString *ISOcountryCode=placemark.ISOcountryCode; //國(guó)家編碼
// NSString *country=placemark.country; //國(guó)家
// NSString *inlandWater=placemark.inlandWater; //水源拆内、湖泊
// NSString *ocean=placemark.ocean; // 海洋
// NSArray *areasOfInterest=placemark.areasOfInterest; //關(guān)聯(lián)的或利益相關(guān)的地標(biāo)
NSLog(@"位置:%@,區(qū)域:%@,詳細(xì)信息:%@",location,region,addressDic);
}];
}

pragma mark 根據(jù)坐標(biāo)取得地名

-(void)getAddressByLatitude:(CLLocationDegrees)latitude longitude:(CLLocationDegrees)longitude{
//反地理編碼
CLLocation *location=[[CLLocation alloc]initWithLatitude:latitude longitude:longitude];
[_geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *placemark=[placemarks firstObject];
NSLog(@"詳細(xì)信息:%@",placemark.addressDictionary);
}];
}