iOS 判断是push还是present下面这种方法判断成功了
if (self.presentingViewController)
{
[weakSelf dismissViewControllerAnimated:YES completion:nil];
}
else {
[weakSelf.navigationController popViewControllerAnimated:YES]; }本文出自 “雪花飞落满人间” 博客，请务必保留此出处http://smengxiang.blog.51cto.com/11204872/1893460
原文：http://smengxiang.blog.51cto.com/11204872/1893460