1.地理编码
给定一个名字(北京),获得给定名字对应的位置(经纬度)
2反地理编码
给定义个位置(经纬度),获得这个位置对应的详细信息(国家/省/街道/楼)
#import "ViewController.h"
#import <CoreLocation/CoreLocation.h>
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
}
- (IBAction)clickGeoCoder:(id)sender {
NSString *cityName = @"北京";
//1.创建CLGeocoder对象
CLGeocoder *geoCoder = [CLGeocoder new];
//2.调用地理编码的方法
[geoCoder geocodeAddressString:cityName completionHandler:^(NSArray *placemarks, NSError *error) {
//placemarks数组中的每一项的类型CLPlacemark
if (error == nil) {
for (CLPlacemark *placemark in placemarks) {
NSLog(@"longitued:%f; latitude:%f; addressDic:%@", placemark.location.coordinate.longitude, placemark.location.coordinate.latitude,placemark.addressDictionary);
}
}
}];
}
- (IBAction)clickReverseGeoCoder:(id)sender {
//经纬度CLLocation
CLLocation *location = [[CLLocation alloc] initWithLatitude:39.904989 longitude:116.405285];
//创建CLGeocoder对象
CLGeocoder *geocoder = [CLGeocoder new];
//对应经纬度的详细信息(addressDictionary)
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
if (error == nil) {
for (CLPlacemark *placemark in placemarks) {
NSLog(@"longitude:%f; latitude:%f; addressDictionary:%@", placemark.location.coordinate.longitude, placemark.location.coordinate.latitude, placemark.addressDictionary);
}
}
}];
}