效率比微软版好N倍的简繁转换类

参考http://blog.youkuaiyun.com/farawayplace613/archive/2008/09/14/2910527.aspx

using  System.Runtime.InteropServices;
using  System.Text;

namespace  GreenLoogDS.DAL
{
     public   class  ChineseConverter
    {
         private   static  Encoding GB2312  =  Encoding.GetEncoding( 0x3a8 );
         private   const   int  LCMAP_SIMPLIFIED_CHINESE  =   0x2000000 ;
         private   const   int  LCMAP_TRADITIONAL_CHINESE  =   0x4000000 ;

        [DllImport( " kernel32.dll " , EntryPoint  =   " LCMapStringA " )]
         public   static   extern   int  LCMapString( int  Locale,  int  dwMapFlags,  byte [] lpSrcStr,  int  cchSrc,  byte [] lpDestStr,  int  cchDest);
         public   static   string  Convert( string  text, ChineseConversionDirection direction)
        {
             byte [] lpSrcStr  =   null ;
            lpSrcStr  =  GB2312.GetBytes(text);
             byte [] lpDestStr  =   new   byte [lpSrcStr.Length];
             switch  (direction)
            {
                 case  ChineseConversionDirection.TraditionalToSimplified:
                    LCMapString( 0x804 , LCMAP_SIMPLIFIED_CHINESE, lpSrcStr,  - 1 , lpDestStr, lpSrcStr.Length);
                     break ;
                 case  ChineseConversionDirection.SimplifiedToTraditional:
                    LCMapString( 0x804 , LCMAP_TRADITIONAL_CHINESE, lpSrcStr,  - 1 , lpDestStr, lpSrcStr.Length);
                     break ;
            }
             return  GB2312.GetString(lpDestStr);
        }
    }
     public   enum  ChineseConversionDirection
    {
        SimplifiedToTraditional,
        TraditionalToSimplified
    }
}

 

 

本文转自火地晋博客园博客，原文链接：http://www.cnblogs.com/yelaiju/archive/2010/11/06/1870390.html，如需转载请自行联系原作者