VC++写的构造HTTP请求头的类用法:CHttpHeader*phttpHeader=newCHttpHeader();phttpHeader->SetURI("www.baidu.com/news.asp?user=yubing&pass=good");//phttpHeader->SetMethod("get");//phttpHeader->SetHost("www.baidu.com:80");//phttpHeader->SetArg("id","3");CStringheader=