C++ 如何获取cookie

 

// win32_cui.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <Windows.h>
#include <WinInet.h>
#include <iostream>
using namespace std;

int _tmain(int argc, char* argv[])
{
    if (argc !=2) 
    {
        cout << "Please useing:test http://www.google.cn";
        cout << endl;
    }
    else
    {
        int ilen=strlen(argv[1]);
        if (ilen<256)
        {
            char szURL[256]={0};
            strncpy(szURL,argv[1],ilen);
            LPSTR lpszData = NULL;   
            DWORD dwSize=0; 
            lpszData=new char[1];
            memset(lpszData,0,1);

retry:
            if (!InternetGetCookie(szURL, "", lpszData, &dwSize))
            {
                if (GetLastError()== ERROR_INSUFFICIENT_BUFFER)
                {
                    delete []lpszData;
                    lpszData = new char[dwSize+1];
                    memset(lpszData,0,dwSize+1);
                    goto retry;
                }
                else
                {
                    cout<<"cookie为空!";
                }

            }
            else
            {
                cout<<"获取cookie成功!"<<endl;
            }
            cout<<"您输入网址的cookie为:"<<endl<< lpszData <<endl;
            delete[]lpszData;
        }
        else
        {
            cout <<"参数超长!";
            return -1;
        }
    }
    return 0;
}