C++ HTTP框架推荐(特点及优势)

#include "crow.h"
int main()
{
    crow::simpleapp app;
    // 定义路由
    crow_route(app, "/")([](){
        return "hello, world!";
    });
    crow_route(app, "/json")
    ([](){
        crow::json::wvalue x;
        x["message"] = "hello, world!";
        return x;
    });
    // 带参数的路由
    crow_route(app, "/hello/<string>")
    ([](std::string name){
        return "hello, " + name;
    });
    app.port(18080).multithreaded().run();
}

#include <drogon/drogon.h>
int main() {
    drogon::app()
        .registerhandler("/", [](const httprequestptr &req,
                               std::function<void(const httpresponseptr &)> &&callback) {
            auto resp = httpresponse::newhttpresponse();
            resp->setbody("hello world!");
            callback(resp);
        })
        .run();
}

#include <pistache/endpoint.h>
using namespace pistache;
class hellohandler : public http::handler {
public:
    http_prototype(hellohandler)
    void onrequest(const http::request&, http::responsewriter writer) override {
        writer.send(http::code::ok, "hello world!");
    }
};
int main() {
    http::listenandserve<hellohandler>("*:9080");
}

#include <httplib.h>
int main() {
    httplib::server svr;
    svr.get("/", [](const httplib::request &, httplib::response &res) {
        res.set_content("hello world!", "text/plain");
    });
    svr.listen("0.0.0.0", 8080);
}

#include <boost/beast.hpp>
namespace beast = boost::beast;
namespace http = beast::http;
void handle_request(http::request<http::string_body>&& req) {
    // 请求处理逻辑
}