iOS gets the user's current location

CLLocationManager *locationManager;//Define Manager// Determine whether the positioning operation is allowedif([CLLocationManager locationServicesEnabled]) {
  CLLocationManager *locationManager = [[[CLLocationManager alloc] init] autorelease];

    = self;
}else {
   //The user is prompted to be unable to perform positioning operations}

// Start positioning[locationManager startUpdatingLocation];

- (void)locationManager:(CLLocationManager *)manager 
  didUpdateToLocation:(CLLocation *)newLocation 
      fromLocation:(CLLocation *)oldLocation {

 //latitude and lontitude are NSString variables    //latitude  = [NSString stringWithFormat:@"%.4f", ];

    //longitude  = [NSString stringWithFormat:@"%.4f",     ];
 
}

-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
  // Here locations stores the location coordinate value that is continuously updated, and take the last value as the latest position. If you do not want it to continuously update the location, then after obtaining a value in this method, the locationManager stopUpdatingLocation  CLLocation *currentLocation = [locations lastObject];
  
  CLLocationCoordinate2D coor = ;
   = ;
   = ;
  
  //[ stopUpdatingLocation];
  
}

- (void)locationManager:(CLLocationManager *)manager
    didFailWithError:(NSError *)error {
 
 if ( == kCLErrorDenied) {
   // Prompt the user for the reason of the error, press and hold the Option key to click KCLErrorDenied to view more error information, and print the value to find the reason. }
}