push跳转到XIB关联的VC

CreatePlanetSecondStepViewController *next = [[CreatePlanetSecondStepViewController alloc]initWithNibName:@"CreatePlanetSecondStepViewController" bundle:[NSBundle mainBundle]];

        next.starHeadImageUrl = headImageUrl;

        next.starTitle=planetTF.text;

        [self.navigationController pushViewController:next animated:YES];