Swift 2.1 [UInt8]

本文介绍了Swift 2.1 [UInt8] --utf8-->细绳?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我知道 Stack Overflow 和其他地方都存在这样的问题.但它似乎也进化了很多.

I know questions like this exist on both Stack Overflow and elsewhere. But it seems to have evolved a lot as well.

给定一个 UInt8 列表(基本上是一个 swift 字节数组)，将它转换为 swift String 的最简单/惯用的方法是什么?

Given a list of UInt8 (a swift byte array basically), what is the easiest/idiomatic way to covert it to a swift String?

我对不使用 NSData/NSString 的方法特别感兴趣，因为如果圣诞老人将 Swift 带到 Linux 世界，它无疑将没有 NS 库，我想知道该怎么做它只是在 Swift 中.

I'm particularly interested in the method that doesn't use NSData/NSString, since if Santa brings Swift to the world of Linux, it will undoubtedly be without the NS libraries, and I'd like to know how to do it in just Swift.

推荐答案

let buffUInt8: Array<UInt8> = [97, 98, 115, 100, 114, 102, 103, 104, 0]

// you need Int8 array
let buffInt8 = buffUInt8.map{ Int8(bitPattern: $0)}
let str = String.fromCString(buffInt8) // "absdrfgh"

或者你可以使用

String.fromCStringRepairingIllFormedUTF8(cs: UnsafePointer<CChar>) -> (String?, hadError: Bool)

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