Swift3.0 进制转换
模块可以直接使用，写的不是很好，欢迎来喷
// Data -> HexStrings
func dataToHexStringArrayWithData(data: NSData) -> [String] {
let byteArray:[Int] = DataToIntWithData(data: data)
var byteStrings: [String] = []
for (_,value) in byteArray.enumerated() {
byteStrings.append(ToHex(tmpid: value))
}
return byteStrings
}
// HexString -> Data
func hexToBytes(bytesStr: String) -> Data? {
var data = Data(capacity: bytesStr.characters.count / 2)
let regex = try! NSRegularExpression(pattern: "[0-9a-f]{1,2}", options: .caseInsensitive)
regex.enumerateMatches(in: bytesStr, options: [], range: NSMakeRange(0, bytesStr.characters.count)) { match, flags, stop in
let byteString = (bytesStr as NSString).substring(with: match!.range)
var num = UInt8(byteString, radix: 16)!
data.append(&num, count: 1)
}
guard data.count > 0 else {
return nil
}
return data
}
// Data -> 10
func DataToIntWithData(data: NSData) -> [Int] {
var byteArray:[Int] = []
for i in 0..<data.length {
var temp:Int = 0
data.getBytes(&temp, range: NSRange(location: i,length:1 ))
byteArray.append(temp)
}
return byteArray
}
// 10 -> 16
func ToHex(tmpid: Int) -> String {
let leftInt: Int = tmpid / 16
let rightInt: Int = tmpid % 16
var leftIndex: String = ""
var rightIndex: String = ""
let numberArray = ["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"]
for i in 0..<numberArray.count {
if i == leftInt {
leftIndex = numberArray[i]
}
if i == rightInt {
rightIndex = numberArray[i]
}
}
return "\(leftIndex)\(rightIndex)"
}
// 16 -> 10