using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; namespace StreamWriterTest { class Program { static void Main(string[] args) { string path = @"C:\Users\pengshiyu\Desktop\source\text.txt"; try { //way1: //FileStream fs = new FileStream(path,FileMode.OpenOrCreate); //StreamWriter sw = new StreamWriter(fs); //way2: StreamWriter sw = new StreamWriter(path, false); string mystr = "测试这样话能不能正常显示到文本文件中"; sw.Write(mystr); sw.Close(); Console.WriteLine("写入完成!"); } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.ReadKey(); } } }