c#输出指定信息到文本文件中（追加方式）

 1         /// <summary>
 2         /// 输出指定信息到文本文件
 3         /// </summary>
 4         /// <param name="msg">输出信息</param>
 5         public void WriteMessage(string msg)
 6         {
 7             using (FileStream fs = new FileStream(@"d:	est.txt", FileMode.OpenOrCreate, FileAccess.Write))
 8             {
 9                 using (StreamWriter sw = new StreamWriter(fs))
10                 {
11                     sw.BaseStream.Seek(0, SeekOrigin.End);
12                     sw.WriteLine("{0}
", msg, DateTime.Now);
13                     sw.Flush();
14                 }
15             }
16         }
17 
18         /// <summary>
19         /// 输出指定信息到文本文件
20         /// </summary>
21         /// <param name="path">文本文件路径</param>
22         /// <param name="msg">输出信息</param>
23         public void WriteMessage(string path,string msg)
24         {
25             using (FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
26             {
27                 using (StreamWriter sw = new StreamWriter(fs))
28                 {
29                     sw.BaseStream.Seek(0, SeekOrigin.End);
30                     sw.WriteLine("{0}
", msg, DateTime.Now);
31                     sw.Flush();
32                 }
33             }
34         }

使用方法:

1             var msg ="测试数据";
2             var path = @"d:	est.txt";
3             WriteMessage(path, msg);