获取当前位置信息－ios

locationManager= [[CLLocationManager alloc] init];//位置管理器

        locationManager.desiredAccuracy = kCLLocationAccuracyBest;//精度，设可而止

        locationManager.delegate = self;//设置委托

        locationManager.distanceFilter = 100.0f;//距离删选器

        [locationManager startUpdatingLocation]; //启动位置管理器

#pragma mark -

#pragma mark locationManager

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

{

    //获取所在地城市名

    CLGeocoder *geocoder=[[CLGeocoder alloc]init];

    [geocoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray *placemarks,NSError *error)

     {

         for(CLPlacemark *placemark in placemarks)

         {

            NSString *str1=[[placemark.addressDictionary objectForKey:@"Name"] substringFromIndex:];

            NSLog(@"%@", [NSString stringWithFormat:@"我的位置：%@",str1]);

             UITextView *locText = (UITextView*)[self.view viewWithTag:];

         }

     }];

    //map region

    [geocoder release];

}

- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error

{

    if (error.code == kCLErrorDenied) {

        [[[[UIAlertView alloc] initWithTitle:@"错误信息"

                                     message:@"无法获取您的定位信息"

                                    delegate:nil

                           cancelButtonTitle:@"OK"

                           otherButtonTitles:nil] autorelease] show];

        [locationManager stopUpdatingLocation];

    }

}