NSURL*url=[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];
[[UIApplication sharedApplication] openURL:url];
但是iOS10好像全都用不了了
NSURL*url=[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];
[[UIApplication sharedApplication] openURL:url];
但是iOS10好像全都用不了了