swift 按钮UIbutton 里的图片位置居右 /居左

默认center 模式居中

btn.contentHorizontalAlignment = UIControl.ContentHorizontalAlignment.right

right 和 trailing效果一样

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fill

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leading 和 left 效果一样

 if #available(iOS 11.0, *) {
            btn.contentHorizontalAlignment = UIControl.ContentHorizontalAlignment.leading
        } else {
            // Fallback on earlier versions
        }

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posted on 2019-09-05 11:31 懂事长qingzZ 阅读(1711) 评论(0) 编辑收藏举报