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();