iOS -CoreLocation框架(反)地理编码

#import "ViewController.h"#import@interface ViewController ()

@property (weak, nonatomic) IBOutlet UITextView *addressTV;

@property (weak, nonatomic) IBOutlet UITextField *laTF;

@property (weak, nonatomic) IBOutlet UITextField *longTF;

/** 地理编码 */

@property (nonatomic, strong) CLGeocoder *geoC;

@end

@implementation ViewController

---

- (CLGeocoder *)geoC{  

  if (!_geoC) {       

 _geoC = [[CLGeocoder alloc] init];    

}   

 return _geoC;

}

#pragma mark -地理编码

- (IBAction)geoCoder {         

 NSString *addr  = self.addressTV.text;      

  if ([addr length] == 0) {       

 return; 

   }        [self.geoC geocodeAddressString:addr completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error) {

/**

*  CLPlacemark

location : 位置对象

addressDictionary : 地址字典

name : 地址全称

*/

if(error == nil)

{

NSLog(@"%@", placemarks);

[placemarks enumerateObjectsUsingBlock:^(CLPlacemark * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

NSLog(@"%@", obj.name);

self.addressTV.text = obj.name;

self.laTF.text = @(obj.location.coordinate.latitude).stringValue;

self.longTF.text = @(obj.location.coordinate.longitude).stringValue;

}];

}else

{

NSLog(@"cuowu--%@", error.localizedDescription);

}

}];

}

#pragma mark- 反地理编码

- (IBAction)reverseGeoCoder {           

 double lati = [self.laTF.text doubleValue];    

double longi = [self.longTF.text doubleValue];       

 // TODO: 容错       

 CLLocation *loc = [[CLLocation alloc] initWithLatitude:lati longitude:longi];    

[self.geoC reverseGeocodeLocation:loc completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error) {

if(error == nil)

{

NSLog(@"%@", placemarks);

[placemarks enumerateObjectsUsingBlock:^(CLPlacemark * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

NSLog(@"%@", obj.name);

self.addressTV.text = obj.name;

self.laTF.text = @(obj.location.coordinate.latitude).stringValue;

self.longTF.text = @(obj.location.coordinate.longitude).stringValue;

}];

}else

{

NSLog(@"cuowu");

}

}];

}