1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4 using System.IO;
5 using System.Diagnostics;
6
7 namespace UtilityClass
8 {
9 public class TraceLog : TraceListener
10 {
11 // 初始化时给定一个日志文件位置
12 private string filePath;
13
14 public TraceLog()
15 : this("")
16 { }
17
18 public TraceLog(string filepath)
19 {
20 if (filepath.IndexOfAny(Path.GetInvalidFileNameChars()) > -1)
21 {
22 ShowMsg.ShowErr(null, "指定路径无效！\r\n\r\n请重新设置日志文件路径！");
23 Trace.Listeners.Clear();
24 return;
25 }
26 filePath = ConvertX.IsNullOrEmpty(filepath) ? AppDomain.CurrentDomain.BaseDirectory + "\\Error.Log" : Path.GetFullPath(filepath);
27 }
28
29 /// <summary>
30 /// 保存 错误信息 到指定日志
31 /// 此方法已重写 实际效果同 WriteLine
32 /// </summary>
33 public override void Write(string message)
34 {
35 File.AppendAllText(filePath, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + Environment.NewLine + message + Environment.NewLine);
36 }
37
38 /// <summary>
39 /// 保存 错误信息 到指定日志
40 /// </summary>
41 public override void WriteLine(string message)
42 {
43 File.AppendAllText(filePath, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + Environment.NewLine + message + Environment.NewLine);
44 }
45
46 /// <summary>
47 /// 输入一个 Exception 对象
48 /// 它将在日志文件中保存 错误信息 和 堆栈信息
49 /// </summary>
50 public override void WriteLine(object o)
51 {
52 string msg = "";
53 Exception ex = o as Exception;
54 if (ex != null)
55 {
56 msg = ex.Message + Environment.NewLine;
57 msg += ex.StackTrace;
58 }
59 else if (o != null)
60 {
61 msg = o.ToString();
62 }
63 WriteLine(msg);
64 }
65
66 /// <summary>
67 /// 输入一个 错误信息 和一个 分类名称
68 /// 它将在日志文件中保存 错误信息
69 /// </summary>
70 public override void WriteLine(string message, string category)
71 {
72 string msg = "";
73 if (!ConvertX.IsNullOrEmpty(category))
74 {
75 msg = category + ":";
76 }
77 msg += message;
78 WriteLine(msg);
79 }
80
81 /// <summary>
82 /// 输入一个 Exception 对象和一个 分类名称
83 /// 它将在日志文件中保存 错误信息 和 堆栈信息
84 /// </summary>
85 public override void WriteLine(object o, string category)
86 {
87 string msg = "";
88 if (!ConvertX.IsNullOrEmpty(category))
89 {
90 msg = category + ":";
91 }
92 if (o is Exception)
93 {
94 var ex = (Exception)o;
95 msg += ex.Message + Environment.NewLine;
96 msg += ex.StackTrace;
97 }
98 else if (o != null)
99 {
100 msg = o.ToString();
101 }
102 WriteLine(msg);
103 }
104 }
105 }
