本文介绍了在 iOS 7 中删除 UIButton 上的下划线的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
有谁知道如何去掉因辅助功能而出现的 UIButton 下划线?
Any one know how to remove the UIButton underline that appears because of Accessibility?
(我知道这是因为用户打开了按钮形状")
(I know it's because the user turned on "Button Shapes")
如何以编程方式或通过在 Xcode 中设置某些属性来删除它?
How can I remove that programmatically, or by setting some property in Xcode?
推荐答案
查看下方code:
NSMutableAttributedString *attrStr = [[yourBtnHere attributedTitleForState:UIControlStateNormal] mutableCopy];//or whatever the state you want
[attrStr enumerateAttributesInRange:NSMakeRange(0, [attrStr length])
options:NSAttributedStringEnumerationLongestEffectiveRangeNotRequired
usingBlock:^(NSDictionary *attributes, NSRange range, BOOL *stop)
{
NSMutableDictionary *mutableAttributes = [NSMutableDictionary dictionaryWithDictionary:attributes];
[mutableAttributes removeObjectForKey:NSUnderlineStyleAttributeName];
[attrStr setAttributes:mutableAttributes range:range];
}];
• 与检查员/IB:选择您的 UIButton.
显示 Attributes Inspector.Text 设置应该在 Attributed 中.选择文本，点击喜欢的项目，删除设置为 none 的下划线.
• With the inspector/IB:
Select your UIButton.
Show the Attributes Inspector.
The Textsettings should be in Attributed. Select the text, click on the fond item remove the Underlining setting it at none.
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