vc++使用IWinHttpRequest获取网页内容乱码

mfc项目的字符集为unicode字符集

乱码前代码:

CString rspStr = pHttpReq->ResponseText;
MessageBox(rspStr);

乱码效果:

 

解决方法: 

 _variant_t varRspBody = pHttpReq->GetResponseBody();
 //ULONG dataLen = varRspBody.parray->rgsabound[0].cElements; // 文本长度
 char *pContentBuffer = (char*)varRspBody.parray->pvData;
 CString rspStr;
 rspStr = pContentBuffer;

效果: