iOS地理位置解析

已知地名，解析为 经纬度 和 高度

#import <CoreLocation/CoreLocation.h>@interface TwoViewController ()<UITextFieldDelegate>@property (weak, nonatomic) IBOutlet UITextField *locationTF;@property (weak, nonatomic) IBOutlet UILabel *lagLabel;@property (weak, nonatomic) IBOutlet UILabel *lngLabel;@property (weak, nonatomic) IBOutlet UILabel *cityLabel;@end@implementation TwoViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.}- (BOOL)textFieldShouldReturn:(UITextField *)textField{    [textField resignFirstResponder];    return YES;}- (IBAction)searchButtonAction:(UIButton *)sender {    [self.locationTF resignFirstResponder];    NSLog(@"text = %@",self.locationTF.text);    if (self.locationTF.text == nil || [self.locationTF.text length] == 0) {        return;    }    CLGeocoder *geocoder = [[CLGeocoder alloc] init];    [geocoder geocodeAddressString:self.locationTF.text completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {        NSLog(@"查询记录数：%u",[placemarks count]);        if ([placemarks count] > 0) {            CLPlacemark *placemark = placemarks[0];            NSDictionary *addressDictionary = placemark.addressDictionary;            NSLog(@"%@",addressDictionary);            // 属性获得地标的经纬度信息            CLLocationCoordinate2D coordinate = placemark.location.coordinate;//            NSString *strCoordinate = [NSString stringWithFormat:@"经度：%3.5f \n 纬度：%3.5f", coordinate.latitude,coordinate.longitude];            self.lagLabel.text = [NSString stringWithFormat:@"%f",coordinate.latitude];            self.lngLabel.text = [NSString stringWithFormat:@"%f",coordinate.longitude];            // 国家            NSString *address = addressDictionary[@"Country"];            // 省份            NSString *addressState = addressDictionary[@"State"];            // 城市            NSString *addressCity = addressDictionary[@"City"];            // 区域            NSString *addressSubLocality = addressDictionary[@"SubLocality"];            // 街道            NSString *addressThoroughfare = addressDictionary[@"Thoroughfare"];            addressThoroughfare = addressThoroughfare == nil ? @"":addressThoroughfare;            self.cityLabel.text = [NSString stringWithFormat:@"%@ %@ %@ %@ %@",address,addressState,addressCity,addressSubLocality,addressThoroughfare];        }    }];}