如何在swift中使用NSWritingDirectionAttributeName?
如何在swift中使用NSWritingDirectionAttributeName?
我在Obj-c中有这样的代码:
attrString = [[NSMutableAttributedString alloc] initWithString:title attributes:@{NSFontAttributeName:[UIFont fontAwesomeFontOfSize:24], NSForegroundColorAttributeName:kHJColorIcon, NSWritingDirectionAttributeName:@[@(NSWritingDirectionRightToLeft | NSTextWritingDirectionOverride)]}];
这是伟大的工作!
现在我需要在另一个地方使用相同的代码,但使用迅速的语言。
我尝试了几种方法,但我得到的错误。
关键NSWritingDirectionAttributeName
期望数值,所以使用原始值
[NSWritingDirectionAttributeName : [NSWritingDirection.LeftToRight.rawValue | NSTextWritingDirection.Override.rawValue]]
关键NSWritingDirectionAttributeName
需要Numeric值,所以在你的函数中使用rawValue
,试试这个
let attrString = NSMutableAttributedString(string: "Karthik Test", attributes: [NSFontAttributeName: UIFont.systemFontOfSize(24), NSWritingDirectionAttributeName:[NSWritingDirection.RightToLeft.rawValue | NSTextWritingDirection.Override.rawValue]])