Senior_地理编码 + 反地理编码

概念:
地理编码: 根据给定的位置(通常是地名), 确定地理坐标(经纬度)
反地理编码: 根据给定的经纬度(地理坐标), 确定位置信息(街道, 门牌等)

#import "FirstViewController.h"

//引入定位 头文件
#import 

@interface FirstViewController ()
//编码属性
@property (strong, nonatomic) CLGeocoder *geocoder;
@end

@implementation FirstViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //1. 初始化编码对象
    self.geocoder = [[CLGeocoder alloc] init];
    
    //2. 调用自定义方法, 根据地名, 获取地标(地理编码)
    [self getCoodinateByAddress:@"北京市"];
    
    //3. 调用自定义方法, 实现反地理编码
    [self getAddreddByLatitude:39.9200225351 longitude:39.9200225351];
    
}

#pragma mark ------ 第一部分: 地理编码 ------
- (void)getCoodinateByAddress:(NSString *)address{
    
    //利用上面初始化的编码对象, 调用编码方法, 获取对应的地标
    [self.geocoder geocodeAddressString:address completionHandler:^(NSArray * placemarks, NSError * error) {
       
        //1. 获取第一个地标, 地标中存储了详细的地址信息. 注意: 一个地名可以搜索出多个地址
        CLPlacemark *placeMark = [placemarks firstObject];
        
        //2. 获取响应的属性信息
        //获取位置
        CLLocation *location = placeMark.location;
       
        //获取区域
        CLRegion *region = placeMark.region;
        
        //地名
        NSString *name = placeMark.name;
        //街道
        NSString *through = placeMark.thoroughfare;
        
        //街道相关信息
        NSString *subThruogh = placeMark.subThoroughfare;
        
        //城市
        NSString *locality = placeMark.locality;
        
        //州
        NSString *administrativeArea = placeMark.administrativeArea;
        
        //其他行政区域信息
        NSString *subAdministrativeArea = placeMark.subAdministrativeArea;
        
        //邮编
        NSString *postalCode = placeMark.postalCode;
        
        //国家编码
        NSString *ISOcountryCode = placeMark.ISOcountryCode;
        
        //国家
        NSString *country = placeMark.country;
        
        //湖泊
        NSString *inlandWater = placeMark.inlandWater;
        
        //海洋
        NSString *ocean = placeMark.ocean;
        
        //关联或者相关联的地标
        NSArray *areasOfInterest = placeMark.areasOfInterest;
        
        # 打印地址字典中的信息
        NSDictionary *dic = placeMark.addressDictionary;
        NSLog(@"dic = %@", dic);
        
    }];
    
}

#pragma  mark -------- 反地理编码 --------
- (void)getAddreddByLatitude:(CLLocationDegrees)latitude longitude:(CLLocationDegrees)longitude{
    
    //1. 初始化位置信息, 指定具体经纬度
    CLLocation *location = [[CLLocation alloc] initWithLatitude:latitude longitude:longitude];
    
    //2. 根据上面声明的编码对象, 调用反地理编码方法
    [self.geocoder reverseGeocodeLocation:location completionHandler:^(NSArray * placemarks, NSError * error) {
        
        //3. 获取地标数组中的第一个
        CLPlacemark *placeMark = [placemarks firstObject];
        
        //4. 打印地标数组
        NSLog(@"addressDictionary = %@", placeMark.addressDictionary);
        
    }];
    
}

@end```