在简单的UIView上应用旋转变换之后CGAffineTransformtrans=CGAffineTransformMakeRotation(M_PI*-0.5);simpleVIew_.transform=trans;有以下约束[selfaddConstraints:@[[NSLayoutConstraintconstraintWithItem:simpleView_attribute:NSLayoutAttributeWidthrelatedBy:NSLayoutRelationEqualtoItem:nilattribute:NSLayoutAttributeNotAnAttr

在简单的UIView上应用旋转变换之后CGAffineTransformtrans=CGAffineTransformMakeRotation(M_PI*-0.5);simpleVIew_.transform=trans;有以下约束[selfaddConstraints:@[[NSLayoutConstraintconstraintWithItem:simpleView_attribute:NSLayoutAttributeWidthrelatedBy:NSLayoutRelationEqualtoItem:nilattribute:NSLayoutAttributeNotAnAttr