1     public class WriteLog
 2     {
 3         /// <summary>
 4         /// 創(chuàng)建日志文件
 5         /// </summary>
 6         /// <param name="ex">異常類</param>
 7         public static void CreateLog(Exception ex)
 8         {
 9             string path = Application.StartupPath+"\\log";
10             if (!Directory.Exists(path))
11             {
12                 //創(chuàng)建日志文件夾
13                 Directory.CreateDirectory(path);
14             }
15             //發(fā)生異常每天都創(chuàng)建一個單獨(dú)的日子文件[*.log],每天的錯誤信息都在這一個文件里。方便查找
16             path += "\\"+DateTime.Now.ToShortDateString() + ".log";
17             WriteLogInfo(ex, path);
18         }
19         /// <summary>
20         /// 寫日志信息
21         /// </summary>
22         /// <param name="ex">異常類</param>
23         /// <param name="path">日志文件存放路徑</param>
24         private static void WriteLogInfo(Exception ex, string path)
25         {
26             using (StreamWriter sw = new StreamWriter(path, true, Encoding.Default))
27             {
28                 sw.WriteLine("*****************************************【" 
                               + DateTime.Now.ToLongTimeString()
                               + "】*****************************************");
29                 if (ex != null)
30                 {
31                     sw.WriteLine("【ErrorType】" + ex.GetType());
32                     sw.WriteLine("【TargetSite】" + ex.TargetSite);
33                     sw.WriteLine("【Message】" + ex.Message);
34                     sw.WriteLine("【Source】" + ex.Source);
35                     sw.WriteLine("【StackTrace】" + ex.StackTrace);
36                 }
37                 else
38                 {
39                     sw.WriteLine("Exception is NULL");
40                 }
41                 sw.WriteLine();
42             }
43         }
44     }