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); } }