编码转换

 

C# GB2312 转 UTF-8

http://www.itzhe.cn/article/20080130/69110.html

http://blog.chinaunix.net/u1/46538/showart_396923.html

 

 public void EncryptFile(string strInFileName, string strOutFileName)             {                 try                 {                     byte[] data = File.ReadAllBytes(strInFileName);                     StreamWriter sw = new StreamWriter(strOutFileName, false, Encoding.Unicode);                     char[] buffer2 = Encoding.Unicode.GetChars(data);                     sw.Write(buffer2);                     sw.Flush();                     sw.Close();                 }                 catch (Exception ex)                 {                     throw ex;                 }             }             public void DecryptFile(string strInFileName, string strOutFileNameV)             {                 StreamReader sr = new StreamReader(strInFileName, System.Text.Encoding.Unicode);                 StreamWriter sw = new StreamWriter(strOutFileNameV, false, System.Text.Encoding.GetEncoding("Shift-JIS"));                 try                 {                     char[] buffer;                     while (!sr.EndOfStream)                     {                         buffer = System.Text.Encoding.GetEncoding("Shift-JIS").GetChars(System.Text.Encoding.Unicode.GetBytes(sr.ReadLine()));                         sw.WriteLine(buffer);                     }                     sw.Flush();                     sw.Close();                     sr.Close();                 }                 catch (Exception ex)                 {                     throw ex;                 }

            }

bool writeunicodecsv()         {             StreamReader sr = new StreamReader(@"D:\q.csv", System.Text.Encoding.GetEncoding("Shift-JIS"));             StreamWriter sw = new StreamWriter(@"D:\qUnicode.csv", false, Encoding.Unicode);             try             {                 string strline;                 string  strWrite;                 int i = 0;                 while (!sr.EndOfStream)                 {                     i++;                     strline = sr.ReadLine();                     strWrite = System.Text.Encoding.Unicode.GetString(System.Text.Encoding.GetEncoding("Shift-JIS").GetBytes (strline));                     sw.WriteLine(strWrite);

                }                 sr.Close();                 sw.Flush();                 sw.Close();                 MessageBox.Show(i.ToString());             }             catch (Exception ex)             {                 throw ex;                 MessageBox.Show(ex.Message);             }             return true;

        }

        bool readcsv()         {             string strReadCsvFile = @"D:\qUnicode.csv";             string strWriteCsvFile = @"D:\qshiftjis.csv";             StreamReader sr = new StreamReader(strReadCsvFile, System.Text.Encoding.Unicode);             StreamWriter sw = new StreamWriter(strWriteCsvFile, false, System.Text.Encoding.GetEncoding("Shift-JIS"));             try             {                 string strline;                 string strWrite;                 int i = 0;                 while (!sr.EndOfStream)                 {                     i++;                     strline = sr.ReadLine();                               strWrite = System.Text.Encoding.GetEncoding("Shift-JIS").GetString(System.Text.Encoding.Unicode.GetBytes(strline));                     sw.WriteLine(strWrite);                 }                 sr.Close();                 sw.Flush();                 sw.Close();             }             catch (Exception ex)             {                 throw ex;                 MessageBox.Show(ex.Message);             }             return true;         }

转载于:https://www.cnblogs.com/antony1029/archive/2008/09/21/1295290.html

相关资源：文本文件编码转换工具 gbk utf8 gb2312