drogon/examples/simple_example/JsonTestController.cc

#include "JsonTestController.h"
#include <json/json.h>
void JsonTestController::asyncHandleHttpRequest(const HttpRequestPtr &req, const std::function<void(const HttpResponsePtr &)> &callback)
{
    Json::Value json;
    json["path"] = "json";
    json["name"] = "json test";
    Json::Value array;
    for (int i = 0; i < 5; i++)
    {
        Json::Value user;
        user["id"] = i;
        user["name"] = "none";
        array.append(user);
    }
    json["rows"] = array;
    auto resp = HttpResponse::newHttpJsonResponse(json);
    callback(resp);
}