WinForms C#将其他数据添加到CSV行

using System;
using System.IO;
using System.Text;

namespace WinFormsApp
{
    public class CsvHelper
    {
        private string csvFilePath;

        public CsvHelper(string filePath)
        {
            csvFilePath = filePath;
        }

        public void AddDataToCsvRow(string[] rowData)
        {
            using (FileStream fileStream = new FileStream(csvFilePath, FileMode.Append, FileAccess.Write))
            {
                using (StreamWriter streamWriter = new StreamWriter(fileStream))
                {
                    StringBuilder csvRow = new StringBuilder();

                    // 构建CSV行数据
                    foreach (string data in rowData)
                    {
                        csvRow.Append(data);
                        csvRow.Append(",");
                    }

                    // 移除最后一个逗号
                    csvRow.Remove(csvRow.Length - 1, 1);

                    // 将CSV行数据写入文件
                    streamWriter.WriteLine(csvRow.ToString());
                }
            }
        }
    }

    public class Program
    {
        public static void Main(string[] args)
        {
            string csvFilePath = "path/to/your/csv/file.csv";
            CsvHelper csvHelper = new CsvHelper(csvFilePath);

            string[] rowData = { "Data1", "Data2", "Data3" };

            // 将数据添加到CSV行
            csvHelper.AddDataToCsvRow(rowData);
        }
    }
}