iphone 反向地理解析 从坐标获得用户的具体位置信息

                                                 iphone 反向地理解析  从坐标获得用户的具体位置信息

 

1。  首先 ，要实现 MKReverseGeocoderDelegate  这个delegate

 

2。  代码如下：

        //请求逆向地理位置解析CLLocationCoordinate2D coordinate;coordinate.latitude=122.004;coordinate.longitude=34.115;MKReverseGeocoder *geocoder=[[MKReverseGeocoder alloc] initWithCoordinate:coordinate];geocoder.delegate=self;[geocoder start]; 

 

        如果地理信息解析完毕，那么就会调用下面的代码：

        // 获得当前用户逆向地理位置- (void)reverseGeocoder:(MKReverseGeocoder *)geocoder didFindPlacemark:(MKPlacemark *)placemark{NSString * sss=[placemark.addressDictionary objectForKey:@"FormattedAddressLines"];if (sss) { NSLog(@"sss=%@", [placemark.addressDictionary objectForKey:@"FormattedAddressLines"]);} NSLog(@"countryCode=%@",placemark.countryCode);NSLog(@"country=%@",placemark.country);NSLog(@"administrativeArea=%@",placemark.administrativeArea);NSLog(@"subAdministrativeArea=%@",placemark.subAdministrativeArea);NSLog(@"locality=%@",placemark.locality);NSLog(@"subLocality=%@",placemark.subLocality);NSLog(@"thoroughfare=%@",placemark.thoroughfare);NSLog(@"subThoroughfare=%@",placemark.subThoroughfare);NSLog(@"postalCode=%@",placemark.postalCode);NSString * addressResult = @"";NSString * beijin=@"北京市";NSString * shanghai=@"上海市";NSString * tianjin=@"天津市";NSString * chongqin=@"重庆市";if ([placemark.administrativeArea isEqualToString:beijin] ||[placemark.administrativeArea isEqualToString:shanghai] ||[placemark.administrativeArea isEqualToString:tianjin] ||[placemark.administrativeArea isEqualToString:chongqin] ) {addressResult= placemark.locality;}else {//如果不是中国，那么加上国家名称if(placemark.countryCode != @"CN"){addressResult = [addressResult stringByAppendingString:placemark.country];addressResult = [addressResult stringByAppendingString:@" "];}if([placemark.administrativeArea length] > 0){addressResult= [addressResult stringByAppendingString:@" "];addressResult= [addressResult stringByAppendingString:placemark.administrativeArea];//如果不是中国，那么各个段直接加上空格if(placemark.countryCode != @"CN"){ addressResult = [addressResult stringByAppendingString:@" "];}}if([placemark.locality length] > 0){addressResult = [addressResult stringByAppendingString:placemark.locality];//如果不是中国，那么各个段直接加上空格if(placemark.countryCode != @"CN"){addressResult = [addressResult stringByAppendingString:@" "];}}}if ([placemark.subLocality length]>0) { addressResult = [addressResult stringByAppendingString:placemark.subLocality];//如果不是中国，那么各个段直接加上空格if(placemark.countryCode != @"CN"){addressResult = [addressResult stringByAppendingString:@" "];}}if ([placemark.thoroughfare length]>0) { addressResult = [addressResult stringByAppendingString:placemark.thoroughfare];//如果不是中国，那么各个段直接加上空格if(placemark.countryCode != @"CN"){addressResult = [addressResult stringByAppendingString:@" "];}}if ([placemark.subThoroughfare length] > 0){ addressResult= [addressResult stringByAppendingString:@" "]; addressResult = [addressResult stringByAppendingString:placemark.subThoroughfare];}NSLog(@" addressResult= %@",addressResult);｝ 

 

        如果解析失败，那么会调用下面的函数：

        // 获得当前用户逆向地理位置 error- (void) reverseGeocoder:(MKReverseGeocoder *)geocoder didFailWithError:(NSError *)error{NSLog(@"ReverseGeocoder error %@",[error description]);[geocoder release];}