C#-创建并添加TXT文件

public static void WriteToText(string txtContent, string txtPath)

{

    using (FileStream fs = new FileStream(txtPath, FileMode.OpenOrCreate,FileAccess.Write))

    {

        using (StreamWriter sw=new StreamWriter(fs))

        {

            sw.BaseStream.Seek(, SeekOrigin.End);

            sw.WriteLine("{0}\n", txtContent);

            sw.Flush();

        }

    }

}