转换为 unicode utf-8

gistfile1.txt

#include <iostream>
using namespace std;
#include <windows.h>

void main()
{
	cout<<"hello world"<<endl;
	char buf[] = "好好学习";
	int wc = MultiByteToWideChar(CP_ACP,0,buf,sizeof(buf),0,0);

	unsigned short* wUnicode = new unsigned short[wc+1];

	wUnicode[wc] = 0;
	
	int j = MultiByteToWideChar(CP_ACP,0,buf,sizeof(buf),wUnicode,wc);

	wc = WideCharToMultiByte(CP_UTF8,0,wUnicode,sizeof(wUnicode),0,0,NULL,NULL);

	char * sUnicode = new char [wc+1];
	sUnicode[wc] = 0;
	WideCharToMultiByte(CP_UTF8,0,wUnicode,sizeof(wUnicode),sUnicode,wc,NULL,NULL);

	cout<<wUnicode<<endl;
	cout<<buf<<endl;
}