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, string userName)
6 {
7 try
8 {
9
10 string mainPath = "F:\\log\\";//日志文件路径&配置到Config文件中直接获取
11 string path = mainPath;
12 string filename = DateTime.Now.ToString("yyyyMMdd") + ".txt";//文件名
13 string year = DateTime.Now.ToString("yyyy");//年
14 string month = DateTime.Now.ToString("MM");//月
15
16 //判断log文件路径是否存在，不存在则创建文件夹
17 if (!System.IO.Directory.Exists(path))
18 {
19 System.IO.Directory.CreateDirectory(path);//不存在就创建目录
20 }
21
22 path += year + "\\";
23 //判断年度文件夹是否存在，不存在则创建文件夹
24 if (!System.IO.Directory.Exists(path))
25 {
26 System.IO.Directory.CreateDirectory(path);//不存在就创建目录
27 }
28
29 path += month + "\\";
30 //判断月度文件夹是否存在，不存在则创建文件夹
31 if (!System.IO.Directory.Exists(path))
32 {
33 System.IO.Directory.CreateDirectory(path);//不存在就创建目录
34 }
35
36 //拼接完整文件路径
37 path += filename;
38 if (!File.Exists(path))
39 {
40 //文件不存在，新建文件
41 FileStream fs = new FileStream(path, FileMode.OpenOrCreate);
42 StreamWriter sw = new StreamWriter(fs);
43 sw.Close();
44 }
45
46 using (FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
47 {
48 using (StreamWriter sw = new StreamWriter(fs))
49 {
50 sw.BaseStream.Seek(0, SeekOrigin.End);
51 //sw.WriteLine("------------------------------------------------------------------------ Info Start ");
52 sw.WriteLine("操作时间：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
53 sw.WriteLine("操作人：" + userName);
54 sw.WriteLine("Message：{0}\n", msg, DateTime.Now);
55 sw.WriteLine("------------------------------------------------------------------------ ");
56 Console.WriteLine("\n");
57 sw.Flush();
58 }
59 }
60
61 //当前月份
62 int totalmonth = int.Parse(month);
63 int totalyear = int.Parse(year);
64 int tmonth = 6;//保留日志时长，月度单位
65 DateTime date;
66 string datestring = "";
67
68 DirectoryInfo dyInfo = new DirectoryInfo(mainPath);
69 //删除历史数据，保留6个月日志
70 if (totalmonth < tmonth)
71 {
72 //删除前一年totalmonth+6月份之前的数据
73 datestring = (totalyear - 1).ToString() + "-" + (totalmonth + tmonth).ToString().PadLeft(2, '0') + "-" + "01 00:00:00";
74
75 }
76 else
77 {
78 //删除当年6个月前的数据
79 datestring = (totalyear).ToString() + "-" + (totalmonth - tmonth).ToString().PadLeft(2, '0') + "-" + "01 00:00:00";
80 }
81 date = Convert.ToDateTime(datestring);
82 //获取文件夹下所有的文件
83 foreach (FileInfo feInfo in dyInfo.GetFiles())
84 {
85 //判断文件日期是否小于今天，是则删除
86 if (feInfo.CreationTime < date)
87 feInfo.Delete();
88 }
89 }
90 catch (Exception)
91 {
92 }
93 }
