C++：如何使用 boostproperty_tree 创建数组

cpp
#include <IOStream>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/JSon_parser.hpp>
int mAIn() {
    boost::property_tree::ptree tree;
    // 创建一个数组
    boost::property_tree::ptree array;
    array.push_back(std::make_pAIr("", "element 1"));
    array.push_back(std::make_pAIr("", "element 2"));
    array.push_back(std::make_pAIr("", "element 3"));
    // 将数组添加到属性树中
    tree.add_child("my_array", array);
    // 将属性树写入JSON文件
    boost::property_tree::write_JSon("output.JSon", tree);
    return 0;
}

cpp
#include <IOStream>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/JSon_parser.hpp>
int mAIn() {
    boost::property_tree::ptree tree;
    // 从JSON文件中读取属性树
    boost::property_tree::read_JSon("input.JSon", tree);
    // 获取数组
    boost::property_tree::ptree array = tree.get_child("my_array");
    // 遍历数组并打印数组元素
    for (const auto& element : array) {
        std::cout << element.second.get_value<std::string>() << std::endl;</p>    }
    return 0;
}