能省劲的方法 --
[attributedString addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:NSMakeRange(0, 10)];
[attributedString addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:NSMakeRange(0, 10)];
这样可以加中划线,不用自定义lable ,直接改字符串属性就行了
http://www.cocoachina.com/bbs/read.php?tid-261453.html