C# 创建文件并往文件里写内容

protected void btnCreate_Click(object sender, EventArgs e)




...{


string path = HttpContext.Current.Request.PhysicalPath;


string file = path.Substring(0,path.LastIndexOf("/")+1) + @"命令.bat";


if (File.Exists(file))




...{


StreamWriter sw = File.AppendText(file);


sw.WriteLine("net state");


sw.Close(); //关闭流


sw.Dispose(); //销假对象


}


else




...{


StreamWriter sw = File.CreateText(file);


sw.WriteLine("dir");


sw.Close();


sw.Dispose();


}


}