轉(zhuǎn)化為NSValue
CLLocationCoordinate2D locaCoord;
NSValue *value = [NSValue valueWithBytes:&locaCoord objCType:@encode(CLLocationCoordinate2D)];
// 轉(zhuǎn)換會結(jié)構(gòu)體
CLLocationCoordinate2D coord;
[value getValue:&coord];
轉(zhuǎn)化為NSValue
CLLocationCoordinate2D locaCoord;
NSValue *value = [NSValue valueWithBytes:&locaCoord objCType:@encode(CLLocationCoordinate2D)];
// 轉(zhuǎn)換會結(jié)構(gòu)體
CLLocationCoordinate2D coord;
[value getValue:&coord];