镜像变换(x轴左右翻转)
CGAffineTransform transform = CGAffineTransformIdentity;
transform =CGAffineTransformScale(transform, -1.0,1.0);
self.textV.transform= transform;
镜像变换(x轴左右翻转)
CGAffineTransform transform = CGAffineTransformIdentity;
transform =CGAffineTransformScale(transform, -1.0,1.0);
self.textV.transform= transform;