Rapidjson迭代并获取复杂JSON对象成员的值

#include <iostream>
#include "rapidjson/document.h"

int main() {
    const char* json = "{\"name\":\"John\",\"age\":30,\"city\":\"New York\",\"pets\":[{\"name\":\"Fluffy\",\"type\":\"cat\"},{\"name\":\"Buddy\",\"type\":\"dog\"}]}";

    rapidjson::Document document;
    document.Parse(json);

    if (!document.HasParseError() && document.IsObject()) {
        // 迭代JSON对象的成员
        for (auto it = document.MemberBegin(); it != document.MemberEnd(); ++it) {
            const rapidjson::Value& key = it->name;
            const rapidjson::Value& value = it->value;

            // 获取成员的名称和值
            std::cout << "Key: " << key.GetString() << std::endl;

            // 判断值的类型并获取对应的值
            if (value.IsString()) {
                std::cout << "Value: " << value.GetString() << std::endl;
            } else if (value.IsInt()) {
                std::cout << "Value: " << value.GetInt() << std::endl;
            } else if (value.IsArray()) {
                std::cout << "Value: [";
                for (rapidjson::SizeType i = 0; i < value.Size(); ++i) {
                    const rapidjson::Value& element = value[i];
                    if (element.IsObject()) {
                        // 处理数组中的对象
                        std::cout << "{";
                        for (auto objIt = element.MemberBegin(); objIt != element.MemberEnd(); ++objIt) {
                            const rapidjson::Value& objKey = objIt->name;
                            const rapidjson::Value& objValue = objIt->value;
                            std::cout << objKey.GetString() << ": " << objValue.GetString() << ", ";
                        }
                        std::cout << "}, ";
                    } else {
                        std::cout << element.GetString() << ", ";
                    }
                }
                std::cout << "]" << std::endl;
            }
        }
    }

    return 0;
}