iOS 原生地图地理编码与反地理编码(详解)

#import <CoreLocation/CoreLocation.h>

/**  地理编码  */- (void)geocoder {      CLGeocoder *geocoder=[[CLGeocoder alloc]init];      NSString *addressStr = @"广东省深圳市宝安区";//位置信息      [geocoder geocodeAddressString:addressStr completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {     if (error!=nil || placemarks.count==0) {       return ;     }     //创建placemark对象     CLPlacemark *placemark=[placemarks firstObject];     //经度     NSString *longitude =[NSString stringWithFormat:@"%f",placemark.location.coordinate.longitude];     //纬度     NSString *latitude =[NSString stringWithFormat:@"%f",placemark.location.coordinate.latitude];          NSLog(@"经度：%@，纬度：%@",longitude,latitude);        }];    }

/**  地理反编码  */- (void)reverseGeocoder{   //创建地理编码对象   CLGeocoder *geocoder=[[CLGeocoder alloc]init];      //经度   NSString *longitude = @"113.23";   //纬度   NSString *latitude = @"23.16";         //创建位置   CLLocation *location=[[CLLocation alloc]initWithLatitude:[latitude floatValue] longitude:[longitude floatValue]];         //反地理编码   [geocoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {     //判断是否有错误或者placemarks是否为空     if (error !=nil || placemarks.count==0) {       NSLog(@"%@",error);       return ;     }     for (CLPlacemark *placemark in placemarks) {       //详细地址       NSString *addressStr = placemark.name;       NSLog(@"详细地址1：%@",addressStr);       NSLog(@"详细地址2：%@",placemark.addressDictionary);       NSLog(@"详细地址3：%@",placemark.locality);     }        }]; }