Question

c# 将文件gbk转换为utf-8

Answer 1

gb2312--utf-8的，原理一样换一下就可以

private string GB2312ToUTF8(string str)
{
try
{
Encoding utf8 = Encoding.UTF8;
Encoding gb2312 = Encoding.GetEncoding("GB2312");
byte[] unicodeBytes = gb2312.GetBytes(str);
byte[] asciiBytes = Encoding.Convert(gb2312, utf8, unicodeBytes);
char[] asciiChars = new char[utf8.GetCharCount(asciiBytes, 0, asciiBytes.Length)];
utf8.GetChars(asciiBytes, 0, asciiBytes.Length, asciiChars, 0);
string result = new string(asciiChars);
return result;
}
catch
{
return "";
}
}

Answer 2

var buffer = File.ReadAllBytes("a.txt");
buffer = Encoding.Convert(Encoding.GetEncoding("GBK"), Encoding.UTF8, buffer);
File.WriteAllBytes("a.txt", buffer);