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windows上，gbk utf8相互转换

发布时间 2023-07-04 11:01:27作者: 马肯尼煤牙巴骨
#include <locale>
#include <codecvt>

inline std::string utf8_to_gbk(const std::string& str)
{
    std::wstring_convert<std::codecvt_utf8<wchar_t>> conv;
    std::wstring tmp_wstr = conv.from_bytes(str);
    //GBK locale name in windows
    const char* GBK_LOCALE_NAME = ".936";
    std::wstring_convert<std::codecvt_byname<wchar_t, char, mbstate_t>> convert(new std::codecvt_byname<wchar_t, char, mbstate_t>(GBK_LOCALE_NAME));
    return convert.to_bytes(tmp_wstr);
}

inline std::string gbk_to_utf8(const std::string& str)
{
    //GBK locale name in windows
    const char* GBK_LOCALE_NAME = ".936";
    std::wstring_convert<std::codecvt_byname<wchar_t, char, mbstate_t>> convert(new std::codecvt_byname<wchar_t, char, mbstate_t>(GBK_LOCALE_NAME));
    std::wstring tmp_wstr = convert.from_bytes(str);
    std::wstring_convert<std::codecvt_utf8<wchar_t>> cv2;
    return cv2.to_bytes(tmp_wstr);
}