C#繁体转简体

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);
}
}