public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            List<string> lists = new List<string>();

            lists.Add("您好");

            lists.Add("测试1");

            lists.Add("测试2");

            lists.Add("测试3");

            WriteTXT("D:/Test.txt", lists);

            MessageBox.Show("写入成功！");

        }

        public void WriteTXT(string path, List<string> datas)

        {

            try

            {

                using (FileStream fs = File.OpenWrite(path))

                {

                    using (StreamWriter sw = new StreamWriter(fs))

                    {

                        foreach (var data in datas)

                        {

                            sw.Write(data + "\r\n");

                        }

                    }

                }

            }

            catch (Exception ex)

            {

                //WinTools.ShowTipMsgBox(ex.Message);

                //LogLib.MyLog.SetErrorLog(ex);

            }

        }