1.把前面编译出来的头文件夹和lib文件夹(libcurl_a.lib)复制到项目所在路径
2.引用头文件:
#include "curl/curl.h"
3.lib引用:Crypt32.lib;ws2_32.lib;winmm.lib;wldap32.lib
4.添加预编译宏CURL_STATICLIB
5.http使用 代码引用:https://www.cnblogs.com/findumars/p/7252843.html
#include
#include
#include "curl/curl.h"
using namespace std;
#pragma comment(lib, "ws2_32.lib")
#pragma comment(lib, "wldap32.lib")
#pragma comment(lib, "libcurl.lib")
// reply of the requery
size_t req_reply(void *ptr, size_t size, size_t nmemb, void *stream)
{
cout << "----->reply" << endl;
string *str = (string*)stream;
cout << *str << endl;
(*str).append((char*)ptr, size*nmemb);
return size * nmemb;
}
// http GET
CURLcode curl_get_req(const std::string &url, std::string &response)
{
// init curl
CURL *curl = curl_easy_init();
// res code
CURLcode res;
if (curl)
{
// set params
curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); // url
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); // if want to use https
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); // set peer and host verify false
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, req_reply);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_HEADER, 1);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3); // set transport and time out time
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
// start req
res = curl_easy_perform(curl);
}
// release curl
curl_easy_cleanup(curl);
return res;
}
// http POST
CURLcode curl_post_req(const string &url, const string &postParams, string &response)
{
// init curl
CURL *curl = curl_easy_init();
// res code
CURLcode res;
if (curl)
{
// set params
curl_easy_setopt(curl, CURLOPT_POST, 1); // post req
curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); // url
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postParams.c_str()); // params
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); // if want to use https
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); // set peer and host verify false
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, req_reply);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_HEADER, 1);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
// start req
res = curl_easy_perform(curl);
}
// release curl
curl_easy_cleanup(curl);
return res;
}
int main()
{
// global init
curl_global_init(CURL_GLOBAL_ALL);
// test get requery
string getUrlStr = "http://cn.bing.com/images/trending?form=Z9LH";
string getResponseStr;
auto res = curl_get_req(getUrlStr, getResponseStr);
if (res != CURLE_OK)
cerr << "curl_easy_perform() failed: " + string(curl_easy_strerror(res)) << endl;
else
cout << getResponseStr << endl;
// test post requery
string postUrlStr = "https://www.baidu.com/s";
string postParams = "f=8&rsv_bp=1&rsv_idx=1&word=picture&tn=98633779_hao_pg";
string postResponseStr;
auto res = curl_post_req(postUrlStr, postParams, postResponseStr);
if (res != CURLE_OK)
cerr << "curl_easy_perform() failed: " + string(curl_easy_strerror(res)) << endl;
else
cout << postResponseStr << endl;
// global release
curl_global_cleanup();
system("pause");
return 0;
}