windows下utf-8和unicode的相互转换

本文转载自：http://blog.csdn.net/infoworld/article/details/12312227

#include "windows.h"char* QXUtf82Unicode(const char* utf, size_t *unicode_number){if(!utf || !strlen(utf)){*unicode_number = 0;return NULL;}int dwUnicodeLen = MultiByteToWideChar(CP_UTF8,0,utf,-1,NULL,0);size_t num = dwUnicodeLen*sizeof(wchar_t);wchar_t *pwText = (wchar_t*)malloc(num);memset(pwText,0,num);MultiByteToWideChar(CP_UTF8,0,utf,-1,pwText,dwUnicodeLen);*unicode_number = dwUnicodeLen - 1;return (char*)pwText;}char* QXUnicode2Utf8(const char* unicode){int len;len = WideCharToMultiByte(CP_UTF8, 0, (const wchar_t*)unicode, -1, NULL, 0, NULL, NULL);char *szUtf8 = (char*)malloc(len + 1);memset(szUtf8, 0, len + 1);WideCharToMultiByte(CP_UTF8, 0, (const wchar_t*)unicode, -1, szUtf8, len, NULL,NULL);return szUtf8;}