C#繁体big5转简体GB2312方法
跪求C#繁体big5转简体GB2312方法 C#
[解决办法]

using system;
using system.IO;
using system.Text;
using system.Runtime.InteropServices; 
//big5繁体转换简体的程序
public class EncodeTool
{
 
 [DllImport("kernel32.dll", EntryPoint = "LCMapStringA")]
    public static extern int LCMapString(int Locale, int dwMapFlags, byte[] lpSrcStr, int cchSrc, byte[] lpDestStr, int cchDest);
    
 const int LCMAP_SIMPLIFIED_CHINESE = 0x02000000;
 const int LCMAP_TRADITIONAL_CHINESE = 0x04000000;

    public static void Main (String[] args)
    {
  if (args.Length<1)
  {
   Console.WriteLine("请指定路径！");
  }
  String[] files=Directory.GetFiles(args[0]);
  if(args.Length==2)
   files=Directory.GetFiles(args[0],args[1]);
  String dir=args[0]+"\\conv";
  if(!Directory.Exists(dir)){
   Directory.CreateDirectory(dir);
  }
  for(int i=0;i   StreamReader sr = new StreamReader(files[i],Encoding.GetEncoding("big5"));
   String lines=sr.ReadToEnd();
   sr.Close();
   lines=ConvertString(lines);
   //Console.WriteLine(lines);
   StreamWriter sw = new StreamWriter(dir+"\\"+files[i],false,Encoding.GetEncoding("gb2312"));
   sw.WriteLine(lines);
   sw.Close();
   Console.WriteLine("转换 {0} ok!",files[i]);
  }
 }

 public static String ConvertString(String lines){
  Encoding gb2312 = Encoding.GetEncoding(936);
  byte[] src=gb2312.GetBytes(lines);
  byte[] dest = new byte[src.Length];
  LCMapString(0x0804, LCMAP_SIMPLIFIED_CHINESE, src, -1, dest, src.Length);
  return gb2312.GetString(dest);
 }
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace Common
{
    /// <summary>
    /// 简繁转换
    /// </summary>
    public static class ChineseConverter
    {
        internal const int LOCALE_SYSTEM_DEFAULT = 0x0800;
        internal const int LCMAP_SIMPLIFIED_CHINESE = 0x02000000;
        internal const int LCMAP_TRADITIONAL_CHINESE = 0x04000000;

        /// <summary>
        /// 使用OS的kernel.dll做为简繁转换工具，只要有OS就可以使用，不用需额外引用dll，但只能做逐字转换，无法进行词意的转换 
 
        /// <para>所以无法将电脑转成计算机</para>
        /// </summary>
        [DllImport("kernel32", CharSet = CharSet.Auto, SetLastError = true)]
        internal static extern int LCMapString(int Locale, int dwMapFlags, string lpSrcStr, int cchSrc, [Out] string lpDestStr, int cchDest);

        /// <summary>
        /// 繁体转简体
        /// </summary>
        /// <param name="pSource">要转换的繁体字：</param>
        /// <returns>转换后的简体字：体</returns>
        public static string ToSimplified(string pSource)
        {
            if (string.IsNullOrEmpty(pSource) 
[解决办法]
 pSource.Length < 1)
                return "";

            String tTarget = new String(' ', pSource.Length);
            int tReturn = LCMapString(LOCALE_SYSTEM_DEFAULT, LCMAP_SIMPLIFIED_CHINESE, pSource, pSource.Length, tTarget, pSource.Length);
            return tTarget;
        }

        /// <summary>
        /// 简体转繁体
        /// </summary>
        /// <param name="pSource">要转换的简体字：体</param>
        /// <returns>转换后的繁体字：</returns>
        public static string ToTraditional(string pSource)
        {
            if (string.IsNullOrEmpty(pSource) 
[解决办法]
 pSource.Length < 1)
                return "";

            String tTarget = new String(' ', pSource.Length);
            int tReturn = LCMapString(LOCALE_SYSTEM_DEFAULT, LCMAP_TRADITIONAL_CHINESE, pSource, pSource.Length, tTarget, pSource.Length);
            return tTarget;
        }
    }
}