[_dayGrowthDescLabel setContentCompressionResistancePriority:UILayoutPriorityDefaultHigh forAxis:UILayoutConstraintAxisHorizontal];
通过属性可以设置水平和垂直
[_dayGrowthDescLabel setContentCompressionResistancePriority:UILayoutPriorityDefaultHigh forAxis:UILayoutConstraintAxisHorizontal];
通过属性可以设置水平和垂直