汉字繁简体互换

1、chs2cht.h

#pragma once
char* UnicodeToBIG5(const wchar_t* szUnicodeString);
char* UnicodeToGB2312(const wchar_t* szUnicodeString);
wchar_t* GB2312ToUnicode(const char* szGBString);
char* GB2312ToBIG5(const char* szGBString);

2、chs2cht.cpp

#include "chs2cht.h"
#include <atlstr.h>
//GB2312 转 Unicode：
wchar_t* GB2312ToUnicode(const char* szGBString)  
{  
	UINT nCodePage = 936; //GB2312  
	int nLength=MultiByteToWideChar(nCodePage,0,szGBString,-1,NULL,0);  
	wchar_t* pBuffer = new wchar_t[nLength+1];  
	MultiByteToWideChar(nCodePage,0,szGBString,-1,pBuffer,nLength);  
	pBuffer[nLength]=0;  
	return pBuffer;  
}

//BIG5 转 Unicode：  
wchar_t* BIG5ToUnicode(const char* szBIG5String)  
{  
	UINT nCodePage = 950; //BIG5  
	int nLength=MultiByteToWideChar(nCodePage,0,szBIG5String,-1,NULL,0);  
	wchar_t* pBuffer = new wchar_t[nLength+1];  
	MultiByteToWideChar(nCodePage,0,szBIG5String,-1,pBuffer,nLength);  
	pBuffer[nLength]=0;  
	return pBuffer;  
}

//Unicode 转 GB2312：  
char* UnicodeToGB2312(const wchar_t* szUnicodeString)  
{  
	UINT nCodePage = 936; //GB2312  
	int nLength=WideCharToMultiByte(nCodePage,0,szUnicodeString,-1,NULL,0,NULL,NULL);  
	char* pBuffer=new char[nLength+1];  
	WideCharToMultiByte(nCodePage,0,szUnicodeString,-1,pBuffer,nLength,NULL,NULL);  
	pBuffer[nLength]=0;  
	return pBuffer;  
}

//Unicode 转 BIG5：  
char* UnicodeToBIG5(const wchar_t* szUnicodeString)  
{  
	UINT nCodePage = 950; //BIG5  
	int nLength=WideCharToMultiByte(nCodePage,0,szUnicodeString,-1,NULL,0,NULL,NULL);  
	char* pBuffer=new char[nLength+1];  
	WideCharToMultiByte(nCodePage,0,szUnicodeString,-1,pBuffer,nLength,NULL,NULL);  
	pBuffer[nLength]=0;  
	return pBuffer;  
}

//繁体中文BIG5 转 简体中文GB2312  
char* BIG5ToGB2312(const char* szBIG5String)  
{  
	LCID lcid = MAKELCID(MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_SIMPLIFIED),SORT_CHINESE_PRC);  
	wchar_t* szUnicodeBuff = BIG5ToUnicode(szBIG5String);  
	char* szGB2312Buff = UnicodeToGB2312(szUnicodeBuff);  
	int nLength = LCMapStringA(lcid,LCMAP_SIMPLIFIED_CHINESE, (LPCSTR)szGB2312Buff,-1,NULL,0);  
	char* pBuffer = new char[nLength + 1];  
	LCMapStringA(0x0804,LCMAP_SIMPLIFIED_CHINESE,(LPCSTR)szGB2312Buff,-1,pBuffer,nLength);  
	pBuffer[nLength] = 0;  

	delete[] szUnicodeBuff;  
	delete[] szGB2312Buff;  
	return pBuffer;  
}

//简体中文GB2312 转 繁体中文BIG5  
char* GB2312ToBIG5(const char* szGBString)  
{  
	LCID lcid = MAKELCID(MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_SIMPLIFIED),SORT_CHINESE_PRC);  
	int nLength = LCMapStringA(lcid,LCMAP_TRADITIONAL_CHINESE,szGBString,-1,NULL,0);  
	char* pBuffer=new char[nLength+1];  
	LCMapStringA(lcid,LCMAP_TRADITIONAL_CHINESE,szGBString,-1,pBuffer,nLength);  
	pBuffer[nLength]=0;  
	wchar_t* pUnicodeBuff = GB2312ToUnicode(pBuffer);  
	char* pBIG5Buff = UnicodeToBIG5(pUnicodeBuff);  
	delete[] pBuffer;  
	delete[] pUnicodeBuff;  
	return pBIG5Buff;  
}

3、test.cpp

#include "chs2cht.h"
#include <iostream> 
#include <locale.h>
#include <atlstr.h>  

using namespace std;

int main(int argc, char** argv)
{
    //“区域设置”为简体中文 
    locale loc( "chs" ); 
    char str[100];  
    cin>>str;  
    
    char * rlt=GB2312ToBIG5(str);  
    CString cStr1;   
    cStr1.Format( TEXT("%s"),rlt); 

    //“区域设置”为繁体中文 
    setlocale(LC_ALL, ".950");  
    cout<<rlt<<endl; 

    return 0;
}