C++:
使用基本认证发送 HTTP 请求

#include <iostream>
#include <curl/curl.h>
#include <string>

// 初始化CURL，设置基本认证信息，发送GET请求，并清理
void sendGetRequestWithBasicAuth(const std::string& url, 
                                 const std::string& username, 
                                 const std::string& password) {
    CURL *curl = curl_easy_init();
    if(curl) {
        CURLcode res;
        std::string userPass = username + ":" + password;
        // 设置目标URL和认证信息
        curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
        curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_BASIC);
        curl_easy_setopt(curl, CURLOPT_USERPWD, userPass.c_str());
        
        // 发送请求
        res = curl_easy_perform(curl);
        
        if(res != CURLE_OK) {
            std::cerr << "CURL error: " << curl_easy_strerror(res) << '\n';
        }
        
        // 清理
        curl_easy_cleanup(curl);
    }
}

int main() {
    std::string url = "http://yourapi.com/data";
    std::string username = "user";
    std::string password = "pass";
    
    sendGetRequestWithBasicAuth(url, username, password);
    
    return 0;
}