#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;
int main(int argc, char *argv[])
{
	CURL *curl;
	CURLcode res;
	curl = curl_easy_init();
	if (curl)
	{
		curl_easy_setopt(curl, CURLOPT_URL, "https://www.lyshark.com");
		res = curl_easy_perform(curl);
		curl_easy_cleanup(curl);
	}
	std::cout << "返回狀態(tài): " << res << std::endl;
	system("pause");
	return 0;
}

#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;
// 設(shè)置CURLOPT_WRITEFUNCTION回調(diào)函數(shù),返回為空屏蔽輸出
static size_t write_data(char *d, size_t n, size_t l, void *p)
{
	return 0;
}
// 獲取網(wǎng)站返回值
void GetStatus(char *UrlPage)
{
	CURLcode return_code;
	// 初始化模塊
	return_code = curl_global_init(CURL_GLOBAL_WIN32);
	if (CURLE_OK != return_code)
	{
		return;
	}
	// 初始化填充請求頭
	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");
	// 初始化請求庫
	CURL *easy_handle = curl_easy_init();
	if (NULL != easy_handle)
	{
		// CURLOPT_HTTPHEADER 自定義設(shè)置請求頭
		curl_easy_setopt(easy_handle, CURLOPT_HTTPHEADER, headers);
		// CURLOPT_URL 自定義請求的網(wǎng)站
		curl_easy_setopt(easy_handle, CURLOPT_URL, UrlPage);
		// CURLOPT_WRITEFUNCTION 設(shè)置回調(diào)函數(shù),屏蔽輸出
		curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, write_data);
		// 執(zhí)行CURL訪問網(wǎng)站
		return_code = curl_easy_perform(easy_handle);
		char *ipAddress = { 0 };
		// CURLINFO_PRIMARY_IP 獲取目標(biāo)IP信息
		return_code = curl_easy_getinfo(easy_handle, CURLINFO_PRIMARY_IP, &ipAddress);
		if ((CURLE_OK == return_code) && ipAddress)
		{
			std::cout << "目標(biāo)IP: " << ipAddress << std::endl;
		}
		long retcode = 0;
		// CURLINFO_RESPONSE_CODE 獲取目標(biāo)返回狀態(tài)
		return_code = curl_easy_getinfo(easy_handle, CURLINFO_RESPONSE_CODE, &retcode);
		if ((CURLE_OK == return_code) && retcode)
		{
			std::cout << "返回狀態(tài)碼: " << 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;
}

#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;
	// 初始化庫
	curl = curl_easy_init();
	if (curl)
	{
		// 設(shè)置請求頭
		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");
		// 設(shè)置請求頭
		curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
		// 指定URL
		curl_easy_setopt(curl, CURLOPT_URL, Url);
		// 指定cookie參數(shù)
		curl_easy_setopt(curl, CURLOPT_COOKIEFILE, Cookie);
		// 指定post內(nèi)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(int argc, char *argv[])
{
	// 傳入網(wǎng)址 cookie 以及post參數(shù)
	SendPost("https://www.lyshark.com/post.php", "1e12sde342r2", "&logintype=uid&u=xieyan&psw=xxx86");
	system("pause");
	return 0;
}

#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;
FILE *fp;
size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream)
{
	int written = fwrite(ptr, size, nmemb, (FILE *)fp);
	return written;
}
BOOL GetUrl(char *URL, char *FileName)
{
	CURL *curl;
	curl_global_init(CURL_GLOBAL_ALL);
	curl = curl_easy_init();
	curl_easy_setopt(curl, CURLOPT_URL, URL);
	// 在屏幕打印請求連接過程和返回http數(shù)據(jù)
	curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
	// 查找次數(shù),防止查找太深
	curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 1);
	// 設(shè)置連接超時
	curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
	// 接收數(shù)據(jù)時超時設(shè)置
	curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
	if ((fp = fopen(FileName, "w")) == NULL)
	{
		curl_easy_cleanup(curl);
		return FALSE;
	}
	// CURLOPT_WRITEFUNCTION 將后繼的動作交給write_data函數(shù)處理
	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
	curl_easy_perform(curl);
	curl_easy_cleanup(curl);
	return TRUE;
}
int main(int argc, char *argv[])
{
	// 下載網(wǎng)頁到本地
	GetUrl("https://www.lyshark.com", "./lyshark.html");
	system("pause");
	return 0;
}

#define CURL_STATICLIB
#define BUILDING_LIBCURL
#include <iostream>
#include <string>
#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;
// 存儲回調(diào)函數(shù)
size_t WriteCallback(char *contents, size_t size, size_t nmemb, void *userp)
{
	((std::string*)userp)->append((char*)contents, size * nmemb);
	return size * nmemb;
}
// 獲取數(shù)據(jù)并放入string中.
std::string GetUrlPageOfString(std::string url)
{
	std::string read_buffer;
	CURL *curl;
	curl_global_init(CURL_GLOBAL_ALL);
	curl = curl_easy_init();
	if (curl)
	{
		// 忽略證書檢查
		curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
		// 重定向
		curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
		// URL路徑
		curl_easy_setopt(curl, CURLOPT_URL, url);
		// 查找次數(shù),防止查找太深
		curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 1);
		// 連接超時
		curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
		// 接收數(shù)據(jù)時超時設(shè)置
		curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
		// 寫入回調(diào)函數(shù)
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, &read_buffer);
		curl_easy_perform(curl);
		curl_easy_cleanup(curl);
		return read_buffer;
	}
	return "None";
}
int main(int argc, char *argv[])
{
	std::string urls = GetUrlPageOfString("https://www.lyshark.com");
	std::cout << "接收長度: " << urls.length() << " bytes" << std::endl;
	system("pause");
	return 0;
}