swift 16进制数-[UInt8]-转字符串-String-

最新推荐文章于 2025-08-16 11:35:26 发布

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#swift #Hex #String

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本文介绍了一种将16进制数数组转换为字符串的方法，使用Swift编程语言实现。通过遍历数组，将每个单元转换为其十六进制表示，并拼接成完整的字符串。

把一串16进制数-[UInt8]，例如 01 10 CD 转成字符串-String "0110CD"，代码如下：

func bytesToStr(bytes:[UInt8]) -> String {
    var hexStr = ""
    for index in 0 ..< bytes.count {
        var Str = bytes[index].description
        if Str.count == 1 {
            Str = "0 "+Str;
        }else {
            let low = Int(Str)!%16
            let hight = Int(Str)!/16
            Str = hexIntToStr(HexInt: hight) + hexIntToStr(HexInt: low)
        }
        hexStr += Str
    }
    return hexStr
}
    
func hexIntToStr(HexInt:Int) -> String {
    var Str = ""
    if HexInt>9 {
        switch HexInt{
        case 10:
            Str = "A"
            break
        case 11:
            Str = "B"
            break
        case 12:
            Str = "C"
            break
        case 13:
            Str = "D"
            break
        case 14:
            Str = "E"
            break
        case 15:
            Str = "F"
            break
        default:
            Str = "0"
        }
    }else {
        Str = String(HexInt)
    }
        
    return Str
 }