ios – Swift-3错误：’ – [_ SwiftValue unsignedIntegerValue]：无法识别的选择器

概述以下代码与旧swift完美配合.这是String的扩展 func stringByConvertingHTML() -> String { let newString = replacingOccurrences(of: "\n", with: "<br>") if let encodedData = newString.data(using: String.Encoding.ut 以下代码与旧swift完美配合.这是String的扩展

func stringByConvertingHTML() -> String {    let newString = replacingOccurrences(of: "\n",with: "<br>")    if let encodedData = newString.data(using: String.EnCoding.utf8) {        let attributedOptions : [String: AnyObject] = [            NSdocumentTypedocumentAttribute: NSHTMLTextdocumentType as AnyObject,NSCharacterEnCodingdocumentAttribute: String.EnCoding.utf8 as AnyObject        ]        do {            let attributedString = try NSAttributedString(data: encodedData,options: attributedOptions,documentAttributes: nil) //Crash here            return attributedString.string        } catch {            return self        }    }    return self}

但是在迅速的3中,它崩溃了

*** Terminating app due to uncaught exception
‘NSinvalidargumentexception’,reason: ‘-[_SwiftValue
unsignedIntegerValue]: unrecognized selector sent to instance
0x6080002565f0’

有人请建议我需要做什么？

解决方法 我遇到了同样的问题：

let attributedOptions : [String: AnyObject] = [            NSdocumentTypedocumentAttribute: NSHTMLTextdocumentType as AnyObject,NSCharacterEnCodingdocumentAttribute: String.EnCoding.utf8 as AnyObject        ]

这里的String.EnCoding.utf8类型检查失败.使用NSNumber(值：String.EnCoding.utf8.rawValue)

总结

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