((UIView *)[self.contentView viewWithTag:i+1]);
[((MyButton *)[((UIView *)[self.contentView viewWithTag:1]) viewWithTag:100]) setTitle:@"111" forState:UIControlStateNormal];
屏幕快照 2017-05-02 下午2.27.23.png
((UIView *)[self.contentView viewWithTag:i+1]);
[((MyButton *)[((UIView *)[self.contentView viewWithTag:1]) viewWithTag:100]) setTitle:@"111" forState:UIControlStateNormal];