[英]How to Convert NSValue to CLLocationCoordinate2D
如何将NSValue转换为CLLocationCoordinate2D ？
我在(NSArray *)coordinateArray收到NSValue ，并且需要为数组中的每个NSValue获取CLLocationCoordinate2D 。
OBJ-C
#import <MapKit/MKGeometry.h>
NSValue *coordinateValue;
CLLocationCoordinate2D coordinate = [coordinateValue MKCoordinateValue];
斯威夫特4.x
let coordinateValue: NSValue = NSValue.init()
let coordinate: CLLocationCoordinate2D = coordinateValue.mkCoordinateValue
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