HttpclientDemo/HttpclientDemo.cpp

#include <iostream>
#include <fstream>
// 3rd_party 消除min max函数冲突
#undef min
#undef max
#define NOMINMAX
#include "json.hpp"
using json = nlohmann::json;

#define CPPHTTPLIB_OPENSSL_SUPPORT
#include "httplib.h"



int main()
{

    json httpJson;

    httplib::Client cli("https://www.okx.com");

    // cli.set_proxy_basic_auth("user", "pass"); //匿名代理不需要设置认证信息
    cli.set_proxy("127.0.0.1", 1024);
    
    // 设置Chrome浏览器User-Agent
    httplib::Headers headers = {
        { "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36" }
    };
    httplib::Params params;
    params.emplace("instId", "BTC-USDT");
    params.emplace("bar", "1m");
    params.emplace("limit", "100");
    for (int i = 0; i < 50; i++) {
        auto res = cli.Get("/api/v5/market/candles", params, headers);

        if (res->status == 200) {
            json kLine;
            try {
                kLine = json::parse(res->body);
                std::string code = kLine["code"];
                std::cout << "num: " << i << "dataSize:" << kLine["data"].size() << "\n"  << std::endl;
                // std::cout << "dataSize:\n" << kLine["data"].size() << std::endl;
                //std::cout << "Parsed JSON:\n" << kLine.dump(4) << std::endl;
                std::this_thread::sleep_for(std::chrono::milliseconds(100));
            }
            catch (const std::exception& e) {
                throw std::runtime_error("Json解析错误: " + std::string(e.what()) + "!");
                break;
            }
        }
    }
    
    

}