UIButton设置对齐方式

最新推荐文章于 2023-03-16 23:53:52 发布

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本文详细介绍了iOS中UI控件的对齐方式，包括纵向对齐方式和横向对齐方式。通过设置contentHorizontalAlignment和contentVerticalAlignment属性，可以轻松调整按钮等控件的对齐位置。

//纵向对齐方式
typedef NS_ENUM(NSInteger, UIControlContentVerticalAlignment) {
    UIControlContentVerticalAlignmentCenter  = 0,
    UIControlContentVerticalAlignmentTop     = 1,
    UIControlContentVerticalAlignmentBottom  = 2,
    UIControlContentVerticalAlignmentFill    = 3,
};

//横向对齐方式
typedef NS_ENUM(NSInteger, UIControlContentHorizontalAlignment) {
    UIControlContentHorizontalAlignmentCenter = 0,
    UIControlContentHorizontalAlignmentLeft   = 1,
    UIControlContentHorizontalAlignmentRight  = 2,
    UIControlContentHorizontalAlignmentFill   = 3,
    UIControlContentHorizontalAlignmentLeading  API_AVAILABLE(ios(11.0), tvos(11.0)) = 4,
    UIControlContentHorizontalAlignmentTrailing API_AVAILABLE(ios(11.0), tvos(11.0)) = 5,
};

可以通过设置contentHorizontalAlignment和contentVerticalAlignment来改变对齐方式。

btn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
btn.contentVerticalAlignment = UIControlContentVerticalAlignmentTop;