学步园

using System;<br /> using System.Collections.Generic;<br /> using System.Linq;<br /> using System.Text;<br /> using System.IO;<br /> using System.Threading;</p> <p>namespace Filee<br /> {<br /> class Program<br /> {<br /> static void Main(string[] args)<br /> {<br /> string path=@"c:/users/shenbao/File/shen.txt";</p> <p> try<br /> {<br /> File.Delete(path);</p> <p> }<br /> catch (Exception ex)<br /> {<br /> Console.WriteLine("没有当前指定的文件:", ex.ToString());<br /> }</p> <p> //创建文件或者是覆盖原有文件<br /> if (!File.Exists(path))<br /> {<br /> using (StreamWriter sw = File.CreateText(path))<br /> {<br /> sw.WriteLine(<br /> "Hello shenbao sdf谌豹ksdfj/nlskdjflsjkdflksdjsdklfjsld/nsdklfjslk"</p> <p> );<br /> }<br /> }<br /> //读出文件<br /> using (StreamReader sr = File.OpenText(path))<br /> {<br /> string s = string.Empty;<br /> while ((s = sr.ReadLine()) != null)<br /> {<br /> Console.WriteLine(s);<br /> }<br /> }<br /> try<br /> {<br /> File.Copy(path, @"c:/users/shenbao/File/cb.txt");<br /> File.Delete(path);</p> <p> }<br /> catch(Exception ex)<br /> {<br /> Console.WriteLine("没有当前指定的文件:", ex.ToString());<br /> }</p> <p> //流文件的操作</p> <p> string Path = @"c:/zheng.txt";<br /> FileStream fsr = new FileStream(Path, FileMode.Create);<br /> Byte[] info = new UTF8Encoding(true).GetBytes("This is shenbao's text!!!");<br /> fsr.Write(info, 0, info.Length);<br /> fsr.Close();</p> <p> using (StreamReader srr = File.OpenText(Path))<br /> {<br /> string strings;<br /> while ((strings = srr.ReadLine()) != null)<br /> {<br /> Console.WriteLine(strings);<br /> }<br /> }</p> <p> Thread.Sleep(5000);<br /> }<br /> }<br /> }<br />