本文转载:http://www.cnblogs.com/jonhson/archive/2010/08/10/1796536.html
/// <summary> /// utf_8转换成GB2312 /// </summary> /// <param name="utfInfo"></param> /// <returns></returns> private string ToGB2312(string utfInfo) { string gb2312Info = string.Empty; Encoding utf8 = Encoding.UTF8; Encoding gb2312 = Encoding.GetEncoding("gb2312"); byte[] unicodeBytes = utf8.GetBytes(utfInfo); byte[] asciiBytes = Encoding.Convert(utf8, gb2312, unicodeBytes); char[] asciiChars = new char[gb2312.GetCharCount(asciiBytes, 0, asciiBytes.Length)]; gb2312.GetChars(asciiBytes, 0, asciiBytes.Length, asciiChars, 0); string gb2312info = new string(asciiChars); return gb2312info; } /// <summary> /// GB2312转换成UTF-8 /// </summary> /// <param name="gbInfo"></param> /// <returns></returns> private string ToUTF8(string gbInfo) { string Info = string.Empty; Encoding gb2312 = Encoding.GetEncoding("gb2312"); Encoding utf_8 = Encoding.GetEncoding("UTF-8"); byte[] unicodeBytes = gb2312.GetBytes(gbInfo); byte[] asciiBytes = Encoding.Convert(gb2312,utf_8 , unicodeBytes); char[] asciiChars = new char[utf_8.GetCharCount(asciiBytes, 0, asciiBytes.Length)]; utf_8.GetChars(asciiBytes, 0, asciiBytes.Length, asciiChars, 0); string info = new string(asciiChars); return info; }