//button点击事件- (void)buttonck:(UIButton *)btn{ TiaoZhuanYeMianViewController *tiao = [[TiaoZhuanYeMianViewController alloc]init]; switch (btn.tag) { case 100: { //上下切换 tiao.modalTransitionStyle = UIModalTransitionStyleCoverVertical; } break; case 101: { //渐变切换 tiao.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; } break; case 102: { //左右切换 tiao.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; } break; case 103: { //卷页切换 tiao.modalTransitionStyle = UIModalTransitionStylePartialCurl; } break; default: break; } [self presentViewController:tiao animated:YES completion:^{ NSLog(@"完成"); } ];}原文：http://www.cnblogs.com/zhanghuifeng/p/4760329.html