默认center 模式 居中
btn.contentHorizontalAlignment = UIControl.ContentHorizontalAlignment.right
right 和 trailing效果一样
======= ======= ======= ======= ======= ======= ======= ======= =======
fill
======= ======= ======= ======= ======= ======= ======= ======= =======
leading 和 left 效果一样
if #available(iOS 11.0,*) {
btn.contentHorizontalAlignment = UIControl.ContentHorizontalAlignment.leading
} else {
// Fallback on earlier versions
}
======= ======= ======= ======= ======= ======= ======= ======= =======
======= ======= ======= ======= ======= ======= ======= ======= =======
======= ======= ======= ======= ======= ======= ======= ======= =======
版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 [email protected] 举报，一经查实，本站将立刻删除。
