#pragma comment (lib,"ws2_32.lib")
#pragma comment (lib,"Crypt32.lib")
using namespace std;
// 设置CURLOPT_WRITEFUNCTION回调函数,返回为空屏蔽输出
static size_t write_data(char *d, size_t n, size_t l, void *p)
{
return 0;
}
// 获取网站返回值
void GetStatus(char *UrlPage)
{
CURLcode return_code;
// 初始化模块
return_code = curl_global_init(CURL_GLOBAL_WIN32);
if (CURLE_OK != return_code)
{
return;
}
// 初始化填充请求头
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0)");
headers = curl_slist_append(headers, "Referer: https://www.lyshark.com");
// 初始化请求库
CURL *easy_handle = curl_easy_init();
if (NULL != easy_handle)
{
// CURLOPT_HTTPHEADER 自定义设置请求头
curl_easy_setopt(easy_handle, CURLOPT_HTTPHEADER, headers);
// CURLOPT_URL 自定义请求的网站
curl_easy_setopt(easy_handle, CURLOPT_URL, UrlPage);
// CURLOPT_WRITEFUNCTION 设置回调函数,屏蔽输出
curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, write_data);
// 执行CURL访问网站
return_code = curl_easy_perform(easy_handle);
char *ipAddress = { 0 };
// CURLINFO_PRIMARY_IP 获取目标IP信息
return_code = curl_easy_getinfo(easy_handle, CURLINFO_PRIMARY_IP, &ipAddress);
if ((CURLE_OK == return_code) && ipAddress)
{
std::cout << "目标IP: " << ipAddress << std::endl;
}
long retcode = 0;
// CURLINFO_RESPONSE_CODE 获取目标返回状态
return_code = curl_easy_getinfo(easy_handle, CURLINFO_RESPONSE_CODE, &retcode);
if ((CURLE_OK == return_code) && retcode)
{
std::cout << "返回状态码: " << retcode << std::endl;
}
}
curl_easy_cleanup(easy_handle);
curl_global_cleanup();
}
int main(int argc, char *argv[])
{
GetStatus("https://www.lyshark.com");
system("pause");
return 0;
}
运行上述代码，则可以获取到www.lyshark.com目标主机的IP地址以及页面返回状态，如下图所示；
当然该库同样支持POST请求方式，在使用POST请求时我们可以通过CURLOPT_COOKIEFILE参数指定Cookie参数，通过CURLOPT_POSTFIELDS指定POST的数据集，而如果需要使用代理模式则可以通过CURLOPT_PROXY方式来指定代理地址，
#define CURL_STATICLIB
#define BUILDING_LIBCURL
#include <iostream>
#include "curl/curl.h"
#pragma comment (lib,"libcurl_a.lib")
#pragma comment (lib,"wldap32.lib")
#pragma comment (lib,"ws2_32.lib")
#pragma comment (lib,"Crypt32.lib")
using namespace std;
bool SendPost(char *Url, char *Cookie, char *PostVal)
{
CURL *curl;
CURLcode res;
// 初始化库
curl = curl_easy_init();
if (curl)
{
// 设置请求头
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0)");
headers = curl_slist_append(headers, "Referer: https://www.lyshark.com");
// 设置请求头
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
// 指定URL
curl_easy_setopt(curl, CURLOPT_URL, Url);
// 指定cookie参数
curl_easy_setopt(curl, CURLOPT_COOKIEFILE, Cookie);
// 指定post内容
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, PostVal);
// 是否代理
// curl_easy_setopt(curl, CURLOPT_PROXY, "10.99.60.201:8080");
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
return true;
}
int main(in