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); 
    } 
     
  }]; 
}