iOS原生地圖地理編碼與反地理編碼(詳解)

#import <CoreLocation/CoreLocation.h>

/** 
 地理編碼 
 */
- (void)geocoder { 
   
  CLGeocoder *geocoder=[[CLGeocoder alloc]init]; 
   
  NSString *addressStr = @"廣東省深圳市寶安區(qū)";//位置信息 
   
  [geocoder geocodeAddressString:addressStr completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) { 
    if (error!=nil || placemarks.count==0) { 
      return ; 
    } 
    //創(chuàng)建placemark對象 
    CLPlacemark *placemark=[placemarks firstObject]; 
    //經(jīng)度 
    NSString *longitude =[NSString stringWithFormat:@"%f",placemark.location.coordinate.longitude]; 
    //緯度 
    NSString *latitude =[NSString stringWithFormat:@"%f",placemark.location.coordinate.latitude]; 
     
    NSLog(@"經(jīng)度：%@，緯度：%@",longitude,latitude); 
     
  }]; 
   
}

/** 
 地理反編碼 
 */
- (void)reverseGeocoder{ 
  //創(chuàng)建地理編碼對象 
  CLGeocoder *geocoder=[[CLGeocoder alloc]init]; 
   
  //經(jīng)度 
  NSString *longitude = @"113.23"; 
  //緯度 
  NSString *latitude = @"23.16"; 
   
   
  //創(chuàng)建位置 
  CLLocation *location=[[CLLocation alloc]initWithLatitude:[latitude floatValue] longitude:[longitude floatValue]]; 
   
   
  //反地理編碼 
  [geocoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) { 
    //判斷是否有錯誤或者placemarks是否為空 
    if (error !=nil || placemarks.count==0) { 
      NSLog(@"%@",error); 
      return ; 
    } 
    for (CLPlacemark *placemark in placemarks) { 
      //詳細地址 
      NSString *addressStr = placemark.name; 
      NSLog(@"詳細地址1：%@",addressStr); 
      NSLog(@"詳細地址2：%@",placemark.addressDictionary); 
      NSLog(@"詳細地址3：%@",placemark.locality); 
    } 
     
  }]; 
}