我知道如何下载html/txt页面。例如://VariablesDWORDdwSize=0;DWORDdwDownloaded=0;LPSTRpszOutBuffer;vectorvFileContent;BOOLbResults=FALSE;HINTERNEThSession=NULL,hConnect=NULL,hRequest=NULL;//UseWinHttpOpentoobtainasessionhandle.hSession=WinHttpOpen(L"WinHTTPExample/1.0",WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,WINHTTP