// Change.cpp: implementation of the CChange class.////#include "stdafx.h"#include "CodeChange.h"#include "Change.h"#ifdef _DEBUG#undef THIS_FILEstatic char THIS_FILE[]=__FILE__;#define new DEBUG_NEW#endif//// Construction/Destruction//CChange::CChange(){}CChange::~CChange(){}CString CChange::Encode_ansitounicode(CString str_temp){    CString return_temp; //声明返回变量    CString szAnsi = str_temp; //要进行转换编码的字符串    int wcsLen = ::MultiByteToWideChar(CP_ACP, NULL, szAnsi, strlen(szAnsi), NULL, 0); //获得所需空间大小    wchar_t * wszString = new wchar_t[wcsLen+1]; //声明wchar_t变量,用于保存转换后的值    ::MultiByteToWideChar(CP_ACP, NULL, szAnsi, strlen(szAnsi), wszString, wcsLen); //进行转换    wszString[wcsLen] = '\0'; //加上结束符    char *buf = (char *)malloc(wcsLen*2); //分配空间到变量    buf =(char *)wszString; //定义变量    //AfxMessageBox(buf);    for(int i=0;i
     
      < str_temp.GetLength()/4;i++) //对两个两个数据进行处理    {        //memcpy(string1, str_char+4*i, 2); //将str_char中的数据的2个字节复制到string1        //memcpy(string2, str_char+2+4*i, 2);        string1[0] = str_temp[i*4];        string1[1] = str_temp[i*4+1];        string2[0] = str_temp[i*4+2];        string2[1] = str_temp[i*4+3];        CString string3;        string3.Format("%c%c%c%c", string2[0],string2[1],string1[0],string1[1]);        //memcpy(string3, string2, 2);        //memcpy(string3+2, string1, 2); //复制4个字节数据到string3        long num = strtol(string3, &endptr, 16);        wszString[i] = num; //转成16进制存入数组    }    wszString[str_temp.GetLength()/4] = '\0'; //插入结束符    int ansiLen = str_temp.GetLength()/4; //目录字符数据大小    for(int j=0; j < str_temp.GetLength()/4; j++)    {        if(wszString[j]>256)            ansiLen++;    }    //int ansiLen = ::WideCharToMultiByte(CP_ACP, NULL, wszString, wcslen(wszString), NULL, 0, NULL, NULL);    char* szAnsi = new char[ansiLen + 1]; //声明保存数据变量    ::WideCharToMultiByte(CP_ACP, NULL, wszString, wcslen(wszString), szAnsi, ansiLen, NULL, NULL); //进行转换    szAnsi[ansiLen] = '\0'; //赋结束符    return_temp = szAnsi; //#ifdef _DEBUG    CFile cFile;    cFile.Open(_T("unicodetoansi.txt"), CFile::modeWrite | CFile::modeCreate);    //文件开头    cFile.SeekToBegin();    //写入内容    cFile.Write(szAnsi, ansiLen * sizeof(char));    cFile.Flush();    cFile.Close();//#endif    delete[] szAnsi;    szAnsi =NULL;    return return_temp;}CString CChange::Encode_ansitoutf8(CString str_temp){    CString return_temp; //声明返回变量    CString szAnsi = str_temp; //要进行转换编码的字符串    int wcsLen = ::MultiByteToWideChar(CP_ACP, NULL, szAnsi, strlen(szAnsi), NULL, 0); //获得所需空间大小    wchar_t * wszString = new wchar_t[wcsLen+1]; //声明wchar_t变量,用于保存转换后的值    ::MultiByteToWideChar(CP_ACP, NULL, szAnsi, strlen(szAnsi), wszString, wcsLen); //进行转换    wszString[wcsLen] = '\0'; //加上结束符//到此时wszString里已经是转成unicode编码的数据了,接下来就只要将unicode编成utf-8就可以了    //wchar_t* wszString = L"中国a"; //测试用的数据    int u8Len = ::WideCharToMultiByte(CP_UTF8, NULL, wszString, wcslen(wszString),NULL, 0,NULL,NULL); //所需数据大小    char* szU8 = new char[u8Len+1]; //保存utf-8编码数据    //UTF8虽然是Unicode的压缩形式，但也是多字节字符串，所以可以以char的形式保存    //unicode版对应的strlen是wcslen    ::WideCharToMultiByte(CP_UTF8, NULL, wszString, wcslen(wszString), szU8, u8Len, NULL, NULL); //进行 utf-8转码    szU8[u8Len] = '\0'; //加上结束符    //MessageBox不支持UTF8,所以只能写文件    //return_temp = szU8; //将数据赋给 返回值变量    for(int i=0;i
      
       < str_temp.GetLength()/2;i++) //两位两位的处理,将字符串转成十六进制存储    {        memcpy(string1, str_char+i*2, 2);        szU8[i] = (char)strtol(string1, &endptr, 16);    }    szU8[str_temp.GetLength()/2] = '\0'; //加入结束符      int wcsLen = ::MultiByteToWideChar(CP_UTF8, NULL, szU8, strlen(szU8),NULL, 0); //获取常量大小    wchar_t* wszString = new wchar_t[wcsLen+1]; //保存数据的变量    ::MultiByteToWideChar(CP_UTF8, NULL, szU8, strlen(szU8), wszString, wcsLen); //多位转字节    wszString[wcsLen] = '\0'; //加入结束符    int ansiLen = ::WideCharToMultiByte(CP_ACP, NULL, wszString, wcslen(wszString), NULL, 0, NULL, NULL); //获取常量大小    char* szAnsi = new char[ansiLen+1]; //声明保存数据变量    ::WideCharToMultiByte(CP_ACP, NULL, wszString, wcslen(wszString), szAnsi, ansiLen, NULL, NULL); //进行转换    szAnsi[ansiLen] = '\0'; //赋结束符    return_temp = szAnsi; //#ifdef _DEBUG    CFile cFile;    cFile.Open(_T("utf8toansi.txt"), CFile::modeWrite | CFile::modeCreate);    //文件开头    cFile.SeekToBegin();    //写入内容    cFile.Write(szAnsi, ansiLen * sizeof(char));    cFile.Flush();    cFile.Close();//#endif    delete[] szAnsi;    delete[] szU8;    szU8 = NULL;    szAnsi =NULL;    //AfxMessageBox(return_temp);    return return_temp;}