windows unicode和多字节字符集转换示例

windows unicode和多字节字符集转换示例

VS: [项目属性]->[配置属性]->[常规]->[字符集]
在该属性中选择"使用多字节字符集"或者"使用Unicode字符集" 本代码段均可处理

#include 
#include 

#ifdef _WIN32
#include 

std::string WcharToChar(const wchar_t* wp, size_t encode)
{
    std::string str;
    int len = WideCharToMultiByte((UINT)encode, 0, wp, (int)wcslen(wp), NULL, 0, NULL, NULL);
    char *m_char = new char[len + 1];
    WideCharToMultiByte((UINT)encode, 0, wp, (int)wcslen(wp), m_char, len, NULL, NULL);
    m_char[len] = '';
    str = m_char;
    delete m_char;
    return str;
}

std::wstring CharToWchar(const char* c, size_t encode)
{
    std::wstring str;
    int len = MultiByteToWideChar((UINT)encode, 0, c, (int)strlen(c), NULL, 0);
    wchar_t* m_wchar = new wchar_t[len + 1];
    MultiByteToWideChar((UINT)encode, 0, c, (int)strlen(c), m_wchar, len);
    m_wchar[len] = '';
    str = m_wchar;
    delete m_wchar;
    return str;
}
#endif  // _WIN32

int main(int argc, char *argv[])
{
#ifdef _WIN32

    std::string str_test = "hello world.";
    std::wstring wstr = CharToWchar(str_test.c_str(), CP_ACP);
    std::wcout << wstr << std::endl;

#endif // _WIN32

    return 0;
}