读取中文文件到CString
CString strFileName = _T("D:\\ai\\100.json");
CFile file;
file.Open(strFileName, CFile::modeRead);
INT sz = file.GetLength();
WCHAR *wBuf = new WCHAR[sz + 1];
char* buffer_src = new char[sz + 1];
file.Read(buffer_src, sz * sizeof(char));
buffer_src[sz] = '\0';
wBuf[sz] = '\0';
file.Close();
MultiByteToWideChar(CP_UTF8,0,buffer_src,-1,wBuf,sz + 1);
CString strJson1(buffer_src);
OutputDebugString(strJson1);
CString strJson2(wBuf); // wBuf这里已经是中文的了
OutputDebugString(strJson2);
//buffer_src转为wBuf一样的非乱码中文
WideCharToMultiByte(CP_ACP,0,wBuf,-1,buffer_src,sz + 1,0,0);
CString strJson(buffer_src);
OutputDebugString(strJson);
CString strJson3(wBuf);
OutputDebugString(strJson3);
delete []buffer_src;
buffer_src = nullptr;
delete []wBuf;
wBuf = nullptr;