UINavigationController 导航控制器 常用总结

//导航控制器跳转到下一页

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

//返回上一页

[self.navigationController popViewControllerAnimated:YES];

//返回首页:popToRootViewControllerAnimated   除第一个页面外，其他的页面全部出栈

[self.navigationController popToRootViewControllerAnimated:YES];

//self.navigationController.viewControllers  找到push过去的页面，并放到数组里面

NSArray *viewController = self.navigationController.viewControllers;

[self.navigationController popToViewController:viewController[2] animated:YES];