1、

TzEncodingWindows.cpp

#include "TzEncodingWindows.h"#ifdef BUILD_IN_WIN32    #include 
     
          #include 
      
           #include 
       
            #include 
        
             #include 
         
              using namespace std;#endif// BUILD_IN_WIN32TzEncodingWindows::TzEncodingWindows(){}TzEncodingWindows::~TzEncodingWindows(){}#ifdef BUILD_IN_WIN32//*// ZC: 下面的代码来自网络：// http://www.cnblogs.com/lidabo/p/3903620.html        // ZC: Ansi-->Unicode        std::wstring MBytesToWString(const char* lpcszString)        {            //int len = strlen(lpcszString);            int unicodeLen = ::MultiByteToWideChar(CP_ACP, 0, lpcszString, -1, NULL, 0);            wchar_t* pUnicode = new wchar_t[unicodeLen + 1];            memset(pUnicode, 0, (unicodeLen + 1) * sizeof(wchar_t));            ::MultiByteToWideChar(CP_ACP, 0, lpcszString, -1, (LPWSTR)pUnicode, unicodeLen);            wstring wString = (wchar_t*)pUnicode;            delete [] pUnicode;            return wString;        }        // ZC: Unicode-->Ansi        std::string WStringToMBytes(const wchar_t* lpwcszWString)        {            char* pElementText;            int iTextLen;            // wide char to multi char            iTextLen = ::WideCharToMultiByte(CP_ACP, 0, lpwcszWString, -1, NULL, 0, NULL, NULL);            pElementText = new char[iTextLen + 1];            memset((void*)pElementText, 0, (iTextLen + 1) * sizeof(char));            ::WideCharToMultiByte(CP_ACP, 0, lpwcszWString, 0, pElementText, iTextLen, NULL, NULL);            std::string strReturn(pElementText);            delete [] pElementText;            return strReturn;        }        // ZC: Utf8-->Unicode        std::wstring UTF8ToWString(const char* lpcszString)        {            //int len = strlen(lpcszString);            int unicodeLen = ::MultiByteToWideChar(CP_UTF8, 0, lpcszString, -1, NULL, 0);            wchar_t* pUnicode;            pUnicode = new wchar_t[unicodeLen + 1];            memset((void*)pUnicode, 0, (unicodeLen + 1) * sizeof(wchar_t));            ::MultiByteToWideChar(CP_UTF8, 0, lpcszString, -1, (LPWSTR)pUnicode, unicodeLen);            wstring wstrReturn(pUnicode);            delete [] pUnicode;            return wstrReturn;        }        // ZC: Unicode-->Utf8        std::string WStringToUTF8(const wchar_t* lpwcszWString)        {            char* pElementText;            int iTextLen = ::WideCharToMultiByte(CP_UTF8, 0, (LPWSTR)lpwcszWString, -1, NULL, 0, NULL, NULL);            pElementText = new char[iTextLen + 1];            memset((void*)pElementText, 0, (iTextLen + 1) * sizeof(char));            ::WideCharToMultiByte(CP_UTF8, 0, (LPWSTR)lpwcszWString, -1, pElementText, iTextLen, NULL, NULL);            std::string strReturn(pElementText);            delete [] pElementText;            return strReturn;        }//*/void TzEncodingWindows::Test_Ansi2Utf8(){    qDebug() << "Hello : "+QString::number(sizeof(char));//*    char* lpcszString = "50路";    //::MessageBoxA(0, lpcszString, "MessageBoxA - 1", 0);    QString str = QString::fromUtf8(lpcszString);    qDebug() << "lpcszString : "+QString::fromUtf8(lpcszString);    qDebug() << "str.length() : "+ QString::number(str.length());    QByteArray byteArr = str.toUtf8();    qDebug() << "byteArr.length() : "+QString::number(byteArr.length());    for (int i=0; i
          
            87 qDebug() << "WideCharToMultiByte return : "+QString::number(iRtn)+" -> GetLastError : "+QString::number(::GetLastError()); ::MessageBoxA(0, pElementText, "MessageBoxA", 0); for (int i=0; i
           
             "+QString::number((int)pElementText[i], 16); } std::string strReturn(pElementText); qDebug() << "strReturn : " + QString::fromStdString(strReturn);// delete [] pUnicode;// delete [] pElementText;//*/}#endif// BUILD_IN_WIN32
           
          
         
        
       
      
     

 

2、

TzEncodingLinux.cpp

#include "TzEncodingLinux.h"#include 
     
      #include 
      
       #include 
       
        //#pragma comment(lib, "iconv.lib") // ZC: 改放到 .pro文件中“LIBS += -liconv”TzEncodingLinux::TzEncodingLinux(){}TzEncodingLinux::~TzEncodingLinux(){}/*//此函数说明将要进行哪两种编码的转换,tocode是目标编码,fromcode是原编码,该函数返回一个转换句柄,供以下两个函数使用。(1) iconv_t iconv_open(const char *tocode, const char *fromcode);//此函数从inbuf中读取字符,转换后输出到outbuf中,inbytesleft用以记录还未转换的字符数,outbytesleft用以记录输出缓冲的剩余空间。(2) size_t iconv(iconv_t cd,char **inbuf,size_t *inbytesleft,char **outbuf,size_t *outbytesleft);//此函数用于关闭转换句柄,释放资源。(3) int iconv_close(iconv_t cd);*/// - - - - - - - 以下是在Linux上实现的字符集转换函数//int code_convert(char *from_charset,char *to_charset,const char *inbuf, size_t inlen,char *outbuf, size_t outlen)int code_convert(char *from_charset,char *to_charset, char *inbuf, size_t inlen,char *outbuf, size_t outlen){    iconv_t cd;    //const char **pin = &inbuf;    char **pin = &inbuf;    char **pout = &outbuf;    cd = iconv_open(to_charset,from_charset);    if (cd==0) return -1;    memset(outbuf,0,outlen);    if (iconv(cd, pin, &inlen,pout, &outlen)==((size_t)-1))        return -1;    iconv_close(cd);    return 0;}/* UTF-8 to UTF-16  *///int u2g(const char *inbuf, size_t inlen, char *outbuf, size_t outlen)int u2g(char *inbuf, size_t inlen, char *outbuf, size_t outlen){    return code_convert("UTF-8","UTF-16",inbuf,inlen,outbuf,outlen);}/* UTF-16 to UTF-8 *///int g2u(const char *inbuf, size_t inlen, char *outbuf, size_t outlen)int g2u(char *inbuf, size_t inlen, char *outbuf, size_t outlen){    return code_convert("UTF-16", "UTF-8", inbuf, inlen, outbuf, outlen);}// - - - - - - - 以上是在Linux上实现的字符集转换函数
       
      
     

 

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代码来自“czgj”，代码保存于：百度云