只是一个关于核心位置的快速问题，我正在尝试计算两点之间的距离，代码如下:-(void)locationChange:(CLLocation*)newLocation:(CLLocation*)oldLocation{//Configuretheneweventwithinformationfromthelocation.CLLocationCoordinate2DnewCoordinate=[newLocationcoordinate];CLLocationCoordinate2DoldCoordinate=[oldLocationcoordinate];CLLocationDista

只是一个关于核心位置的快速问题，我正在尝试计算两点之间的距离，代码如下:-(void)locationChange:(CLLocation*)newLocation:(CLLocation*)oldLocation{//Configuretheneweventwithinformationfromthelocation.CLLocationCoordinate2DnewCoordinate=[newLocationcoordinate];CLLocationCoordinate2DoldCoordinate=[oldLocationcoordinate];CLLocationDista