问题描述
我正在寻找一种解码quoted-printables的方法。
I am looking for a way to decode quoted-printables.
quoted-printables适用于阿拉伯字符，如下所示：
The quoted-printables are for arabic characters and look like this:
我需要将它转换为字符串，并将其存储或显示..
I need to convert it to a string, and store it or display..
我已经在stackoverflow上看到了相反的方式（编码） ，但找不到解码。
I've seen post on stackoverflow for the other way around (encoding), but couldn't find decoding.
推荐答案
嗯，这有点hacky但是你可以替换 = 带有％字符的字符，并使用NSString的 stringByReplacingPercentEscapesUsingEncoding：方法。否则，您基本上可以在=字符上拆分字符串，将每个元素转换为字节值（使用NSScanner轻松完成），将字节值放入C数组中，并使用NSString的 initWithBytes：length：encoding ：方法。
Uhm, it's a little hacky but you could replace the = characters with a % character and use NSString's stringByReplacingPercentEscapesUsingEncoding: method. Otherwise, you could essentially split the string on the = characters, convert each element to a byte value (easily done using NSScanner), put the byte values into a C array, and use NSString's initWithBytes:length:encoding: method.
请注意，您的示例在技术上不是引用可打印格式，它指定quoted-printable是三个字符序列由 = 字符后跟两个十六进制数字组成。
Note that your example isn't technically in quoted-printable format, which specifies that a quoted-printable is a three character sequence consisting of an = character followed by two hex digits.
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