我有Xcode 6.1 GM的奇怪的问题.
let text: NSString = "A"
let font = NSFont(name: "Helvetica Bold",size: 14.0)
let textRect: NSRect = NSMakeRect(5,3,125,18)
let textStyle = NSMutableParagraphStyle.defaultParagraphStyle().mutableCopy() as NSMutableParagraphStyle
textStyle.alignment = NSTextAlignment.LeftTextAlignment
let textColor = NSColor(calibratedRed: 0.147,green: 0.222,blue: 0.162,alpha: 1.0)
let textFontAttributes = [
NSFontAttributeName: font,NSForegroundColorAttributeName: textColor,NSParagraphStyleAttributeName: textStyle
]
text.drawInRect(NSOffsetRect(textRect,1),withAttributes: textFontAttributes)
错误在行中让texFontAttributes …
Cannot convert the expression's type 'Dictionary' to type 'DictionaryLiteralConvertible'
这个代码是完美的,直到Xcode 6.1 GM.
当我尝试声明textFontAttributes作为NSDictionary错误消息更改为：
Cannot convert the expression's type 'NSDictionary' to type 'NSString!'
我不知道如何解决这个问题:(
问题是字体是可选的,因为方便的引用者现在返回可选值,所以字体需要被解开为字典中的值：
原文链接：https://www.f2er.com/swift/319818.htmlif let actualFont = font {
let textFontAttributes = [
NSFontAttributeName: actualFont,NSParagraphStyleAttributeName: textStyle
]
text.drawInRect(NSOffsetRect(textRect,withAttributes: textFontAttributes)
}
