静态curl库编译与使用（c++）

静态curl库编译与使用

静态curl库编译与使用：mingw https://curl.se/windows/

// 测试：设置URL地址
// curl_easy_setopt(curlHandle, CURLOPT_URL, “https://ipinfo.io/json”);
// curl_easy_setopt(curlHandle, CURLOPT_SSL_VERIFYPEER, 0L);
// curl_easy_setopt(curlHandle, CURLOPT_SSL_VERIFYHOST, 0L);

#include <iostream>#include <chrono>
#include <iomanip>
#include <sstream>std::string log_time()
{time_t t = time(nullptr);char tmp[25]{};struct tm* timinfo = localtime(&t);strftime(tmp, sizeof(tmp), "%Y-%m-%dT%H:%M:%S", timinfo);return tmp;
}#include <curl/curl.h>
#pragma comment(lib, "libbrotlicommon.a")
#pragma comment(lib, "libbrotlidec.a")
#pragma comment(lib, "libcrypto.a")#pragma comment(lib, "libcurl.a")
#pragma comment(lib, "libnghttp2.a")
#pragma comment(lib, "libnghttp3.a")
#pragma comment(lib, "libngtcp2.a")
#pragma comment(lib, "libngtcp2_crypto_quictls.a")
#pragma comment(lib, "libpsl.a")
#pragma comment(lib, "libssh2.a")
#pragma comment(lib, "libssl.a")
#pragma comment(lib, "libz.a")
#pragma comment(lib, "libzstd.a")#pragma comment(lib, "libmingwex.a")
#pragma comment(lib, "libgcc.a")#pragma comment(lib, "ws2_32.lib")
#pragma comment(lib, "wldap32.lib")
#pragma comment(lib, "bcrypt.lib")
#pragma comment(lib, "winmm.lib")
#pragma comment(lib, "advapi32.lib")
#pragma comment(lib, "crypt32.lib")
#pragma comment(lib, "Normaliz.lib")
#pragma comment(lib, "legacy_stdio_definitions.lib")#include <iostream>
#include <string>// 定义回调函数，用于处理收到的响应数据
size_t WriteCallback(void* contents, size_t size, size_t nmemb, std::string* response) {size_t totalSize = size * nmemb;response->append((char*)contents, totalSize);return totalSize;
}int main() {CURL* curlHandle;CURLcode res;// 初始化Curlcurl_global_init(CURL_GLOBAL_DEFAULT);// 创建Curl会话curlHandle = curl_easy_init();if (curlHandle == nullptr) {std::cout << "Failed to create a new CURL handle." << std::endl;return -1;}try {// 设置URL地址curl_easy_setopt(curlHandle, CURLOPT_URL, "https://ipinfo.io/json");curl_easy_setopt(curlHandle, CURLOPT_SSL_VERIFYPEER, 0L);curl_easy_setopt(curlHandle, CURLOPT_SSL_VERIFYHOST, 0L);//curl_easy_setopt(curlHandle, CURLOPT_SSL_VERIFYPEER, 1L);//winssl编译时使用windows自带的根证书//curl_easy_setopt(curlHandle, CURLOPT_SSL_VERIFYHOST, 2L);//curl_easy_setopt(curlHandle, CURLOPT_MAXREDIRS, 5);//curl_easy_setopt(curlHandle, CURLOPT_FOLLOWLOCATION, 1);//curl_easy_setopt(curlHandle, CURLOPT_NOSIGNAL, 1L);//curl_easy_setopt(curlHandle, CURLOPT_AUTOREFERER, 1L);//curl_easy_setopt(curlHandle, CURLOPT_POST, false);//curl_easy_setopt(curlHandle, CURLOPT_FAILONERROR, 1L);//curl_easy_setopt(curlHandle, CURLOPT_CONNECTTIMEOUT, 30L);//curl_easy_setopt(curlHandle, CURLOPT_LOW_SPEED_TIME, 60L);//curl_easy_setopt(curlHandle, CURLOPT_LOW_SPEED_LIMIT, 30L);// 设置写入回调函数std::string responseData;curl_easy_setopt(curlHandle, CURLOPT_WRITEFUNCTION, WriteCallback);curl_easy_setopt(curlHandle, CURLOPT_WRITEDATA, &responseData);// 发送GET请求res = curl_easy_perform(curlHandle);if (res != CURLE_OK) {std::cerr << "Error occurred while sending request: " << curl_easy_strerror(res) << std::endl;throw - 1;}else {// 打印响应结果std::cout << "Response data:\n" << responseData << std::endl;}}catch (...) {// 错误处理std::cerr << "An error occurred during the process." << std::endl;return -1;}// 清理资源curl_easy_cleanup(curlHandle);curl_global_cleanup();return 0;
}