nfsVC = [[NfsViewControlleralloc] init];
//视图转换时的动画选择
nfsVC.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[selfpresentViewController:nfsVCanimated:YEScompletion:^(void){
}];
模视图转换
原文：http://www.cnblogs.com/wisejoker/p/3553108.html
