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 ;
}