GO中字符串的ASCII编码 [英] ASCII encoding for string in GO

问题描述

在Ruby中，您可以按以下方式将字符串编码为ASCII:

In Ruby, you can encode string to ASCII as follows:

str.force_encoding('ASCII')

我们如何在Go中实现相同的目标?

How can we achieve the same in Go?

推荐答案

strconv.QuoteToASCII

QuoteToASCII返回表示s的双引号Go字符串文字.返回的字符串对IsASCII定义的非ASCII字符和不可打印的字符使用Go转义序列(\ t，\ n，\ xFF，\ u0100).

QuoteToASCII returns a double-quoted Go string literal representing s. The returned string uses Go escape sequences (\t, \n, \xFF, \u0100) for non-ASCII characters and non-printable characters as defined by IsPrint.

或者，如果您想要一个ascii码数组，可以这样做

Or if you want an array of ascii codes, you could do

import "encoding/ascii85"
dst := make([]byte, 25, 25)
dst2 := make([]byte, 25, 25)
ascii85.Encode(dst, []byte("Hello, playground"))
fmt.Println(dst) 
ascii85.Decode(dst2, dst, false)
fmt.Println(string(dst2))

https://play.golang.org/p/gLEuWAGglJV

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