将API XML消费到csv文件C#中

using System;
using System.IO;
using System.Net.Http;
using System.Xml;

class Program
{
    static async System.Threading.Tasks.Task Main(string[] args)
    {
        // 发起API请求，获取XML数据
        HttpClient client = new HttpClient();
        HttpResponseMessage response = await client.GetAsync("API接口地址");
        string xmlData = await response.Content.ReadAsStringAsync();

        // 解析XML数据
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(xmlData);

        // 提取所需数据并转换为csv格式
        string csvData = "";
        XmlNodeList nodes = xmlDoc.SelectNodes("//节点路径");
        foreach (XmlNode node in nodes)
        {
            string value1 = node.SelectSingleNode("子节点1").InnerText;
            string value2 = node.SelectSingleNode("子节点2").InnerText;
            csvData += $"{value1},{value2}\n";
        }

        // 写入csv文件
        string csvFilePath = "output.csv";
        File.WriteAllText(csvFilePath, csvData);

        Console.WriteLine("API XML已成功转换为csv文件。");
    }
}