C++11函數轉碼

標籤：oca   轉碼   end   lob   class   wchar_t   clu   out   main   

#include <string>#include <codecvt>using namespace std;// utf8轉unicodewstring utf8_to_wstring(const string &str){    wstring_convert<codecvt_utf8<wchar_t>> utf8_cvt;    return utf8_cvt.from_bytes(str);}// unicode轉utf8string wstring_to_utf8(const wstring &str){    wstring_convert<codecvt_utf8<wchar_t>> utf8_cvt;    return utf8_cvt.to_bytes(str);}// gbk轉unicodewstring  gbk_to_wstring(const string &str){    wstring_convert<codecvt<wchar_t, char, mbstate_t>> gbk_cvt(new codecvt<wchar_t, char, mbstate_t>("chs"));    return gbk_cvt.from_bytes(str);}// unicode轉gbkstring  wstring_to_gbk(const wstring &str){    wstring_convert<codecvt<wchar_t, char, mbstate_t>> gbk_cvt(new codecvt<wchar_t, char, mbstate_t>("chs"));    return gbk_cvt.to_bytes(str);}// utf8轉gbkstring utf8_to_gbk(const string &str){    wstring_convert<codecvt_utf8<wchar_t>> utf8_cvt; // utf8-》unicode轉換器    wstring_convert<codecvt<wchar_t, char, mbstate_t>> gbk_cvt(new codecvt<wchar_t, char, mbstate_t>("chs")); // unicode-》gbk轉換器    wstring t = utf8_cvt.from_bytes(str);    return gbk_cvt.to_bytes(t);}// gbk轉utf8string gbk_to_utf8(const string &str){    wstring_convert<codecvt_utf8<wchar_t>> utf8_cvt; // utf8-》unicode轉換器    wstring_convert<codecvt<wchar_t, char, mbstate_t>> gbk_cvt(new codecvt<wchar_t, char, mbstate_t>("chs")); // unicode-》gbk轉換器    wstring t = gbk_cvt.from_bytes(str);    return utf8_cvt.to_bytes(t);} 

 

int main(){    locale::global(locale(""));    string u8str = u8"我愛中國 i love china";    string str = "我愛中國 i love china";    wstring w1 = gbk_to_wstring(str);    str = wstring_to_gbk(w1);        cout << str << endl;    wcout << w1 << endl;    return 0;}

 

C++11函數轉碼