苹果地图使用之地理编码

最新推荐文章于 2025-10-18 09:52:33 发布

原创最新推荐文章于 2025-10-18 09:52:33 发布 · 537 阅读

0 ·

CC 4.0 BY-SA版权

地图开发专栏收录该内容

3 篇文章

订阅专栏

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

@interface ViewController ()

// Geo
@property (strong, nonatomic) IBOutlet UITextField *inputAddress;
@property (strong, nonatomic) IBOutlet UITextField *outputLonTextField;
@property (strong, nonatomic) IBOutlet UITextField *outputLanTextField;

// Reverse Geo
@property (strong, nonatomic) IBOutlet UITextField *outputAddress;
@property (strong, nonatomic) IBOutlet UITextField *inputLonTextField;
@property (strong, nonatomic) IBOutlet UITextField *inputLanTextField;

@property (nonatomic, strong) CLGeocoder *geoCoder;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
}

#pragma mark - 地理编码
- (IBAction)geoSearchBtnClickHandler:(id)sender
{    
    [self.view endEditing:YES];
    [self.geoCoder geocodeAddressString:self.inputAddress.text completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
        
        if (!placemarks.count || error) {
            NSLog(@"没有找到相关经纬度哦");
            return ;
        }
        
        [placemarks enumerateObjectsUsingBlock:^(CLPlacemark * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
            NSLog(@"latitude = %f, longitude = %f", obj.location.coordinate.latitude, obj.location.coordinate.longitude);
            self.outputLanTextField.text = [NSString stringWithFormat:@"%f", obj.location.coordinate.latitude];
            self.outputLonTextField.text = [NSString stringWithFormat:@"%f", obj.location.coordinate.longitude];
        }];
    }];
}

#pragma mark - 反向地理编码
- (IBAction)reverseGeoSearchBtnClickHandler:(id)sender
{
    [self.view endEditing:YES];
    
    CLLocationDegrees latitude = [self.inputLanTextField.text doubleValue];
    CLLocationDegrees longitude = [self.inputLonTextField.text doubleValue];
    CLLocation *location = [[CLLocation alloc] initWithLatitude:latitude longitude:longitude];

    [self.geoCoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
        if (!placemarks.count || error) {
            NSLog(@"没有找到相关地址哦");
            return ;
        }
        
        [placemarks enumerateObjectsUsingBlock:^(CLPlacemark * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
            NSLog(@"name = %@, locality = %@, administrativeArea = %@", obj.name, obj.locality, obj.administrativeArea);
            if (obj.locality.length) {
                self.outputAddress.text = obj.locality;
                return ;
            }
            self.outputAddress.text = obj.administrativeArea;
        }];
    }];
}

- (CLGeocoder *)geoCoder
{
    if (!_geoCoder) {
        _geoCoder = [[CLGeocoder alloc] init];
    }
    return _geoCoder;
}

@end