c++ 常用函数集锦

目录

 1、string和wstring之间转换

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 1、string和wstring之间转换

std::string convertWStringToString(std::wstring wstr)
{std::string str;if (!wstr.empty()){std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;str = converter.to_bytes(wstr);}return str;
}std::wstring convertStringToWString(std::string wstr)
{std::wstring str;if (!wstr.empty()){std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;str = converter.from_bytes(wstr);}return str;
}