C# 文件操作方法

方法一:

            FileStream textFile = File.Open(@"F:程序新手测试linqApplication1linqApplication1IO.txt", FileMode.Append);
            StreamWriter sw = new StreamWriter(textFile);
            sw.WriteLine("11111");
            sw.WriteLine();
            sw.Close();

方法二:

            FileStream textFile = File.Open(@"F:程序新手测试linqApplication1linqApplication1IO.txt", FileMode.Append);
            byte[] info = Encoding.Default.GetBytes("11111");
            textFile.Write(info, 0, info.Length);
            textFile.Close();