C#通过流写入数据到文件的方法

using System;using System.IO;public class WriteFileStuff {public static void Main() {  FileStream fs = new FileStream("c://tmp//WriteFileStuff.txt", FileMode.OpenOrCreate, FileAccess.Write);    StreamWriter sw = new StreamWriter(fs);  try { sw.WriteLine("Howdy World."); } finally { if(sw != null) { sw.Close(); } } }}