我正在尝试缩放以适合map上的注释，同时锁定中心并提供一些插图。-(void)fitAnnotations:(NSArray*)annotationsedgeInsets:(UIEdgeInsets)insets{CLLocationCoordinate2DoriginalCenter=self.centerCoordinate;MKMapRectmapRect=MKMapRectNull;for(idannotationinannotations){MKMapPointp=MKMapPointForCoordinate([annotationcoordinate]);mapRect=
