队列形式
1 using System;
2 using System.Collections;
3 using System.IO;
4 using System.Text;
5 using System.Threading;
6 using System.Windows.Threading;
7
8 namespace Helper
9 {
10 /// <summary>
11 /// Log 帮助类
12 /// </summary>
13 public static class LogHelper
14 {
15 /// <summary>
16 /// log 队列
17 /// </summary>
18 private static readonly Queue LogQueue = new Queue();
19
20 /// <summary>
21 /// 判断 file stream 是否打开，用于单例
22 /// </summary>
23 private static bool _isStreamClose = true;
24
25 /// <summary>
26 /// 用于判断日志进程是否开启
27 /// </summary>
28 private static bool _isThreadBegin = false;
29
30 /// <summary>
31 /// 单例 文件写入方法
32 /// </summary>
33 private static StreamWriter _fileStreamWriter;
34
35 /// <summary>
36 /// 日志名称
37 /// </summary>
38 private static readonly string fileName =@"BugLog.txt";
39
40 /// <summary>
41 /// 定时触发日志写入
42 /// </summary>
43 static int _intervalTime = 10000;// 一分钟
44
45 static System.Timers.Timer _timer = new System.Timers.Timer(_intervalTime);
46
47 /// <summary>
48 /// 添加日志队列
49 /// </summary>
50 /// <param name="message"></param>
51 public static void AddLog(string message)
52 {
53 string logContent = $"[{DateTime.Now:yyyy-MM-dd hh:mm:ss}] =>{message}";
54 LogQueue.Enqueue(logContent);
55 if (!_isThreadBegin)
56 {
57 BeginThread();
58 }
59 }
60
61 public static void AddLog(Exception ex)
62 {
63 var logContent = $"[{DateTime.Now:yyyy-MM-dd hh:mm:ss}]错误发生在：{ex.Source}，\r\n 内容：{ex.Message}";
64 logContent += $"\r\n 跟踪：{ex.StackTrace}";
65 LogQueue.Enqueue(logContent);
66 if (!_isThreadBegin)
67 {
68 BeginThread();
69 }
70 }
71
72 /// <summary>
73 /// 读取日志队列的一条数据
74 /// </summary>
75 /// <returns></returns>
76 private static object GetLog()
77 {
78 return LogQueue.Dequeue();
79 }
80
81 /// <summary>
82 /// 开启定时查询线程
83 /// </summary>
84 public static void BeginThread()
85 {
86 _isThreadBegin = true;
87
88 //实例化Timer类，设置间隔时间为10000毫秒；
89
90 _timer.Interval = _intervalTime;
91
92 _timer.Elapsed += SetLog;
93
94 //到达时间的时候执行事件；
95
96 _timer.AutoReset = true;
97
98 //设置是执行一次（false）还是一直执行(true)；
99
100 _timer.Enabled = true;
101 }
102
103
104 /// <summary>
105 /// 写入日志
106 /// </summary>
107 private static void SetLog(object source, System.Timers.ElapsedEventArgs e)
108 {
109 if (LogQueue.Count == 0)
110 {
111 if (_isStreamClose) return;
112 _fileStreamWriter.Flush();
113 _fileStreamWriter.Close();
114 _isStreamClose = true;
115 return;
116 }
117 if (_isStreamClose)
118 {
119 Isexist();
120 string errLogFilePath = Environment.CurrentDirectory + @"\Log\" + fileName.Trim();
121 if (!File.Exists(errLogFilePath))
122 {
123 FileStream fs1 = new FileStream(errLogFilePath, FileMode.Create, FileAccess.Write);
124 _fileStreamWriter = new StreamWriter(fs1);
125 }
126 else
127 {
128 _fileStreamWriter = new StreamWriter(errLogFilePath, true);
129 }
130 _isStreamClose = false;
131 }
132
133 var strLog = new StringBuilder();
134
135 var onceTime = 50;
136
137 var lineNum = LogQueue.Count > onceTime ? onceTime : LogQueue.Count;
138
139 for (var i = 0; i < lineNum; i++)
140 {
141 strLog.AppendLine(GetLog().ToString());
142 }
143
144 _fileStreamWriter.WriteLine(strLog.ToString());
145
146 }
147
148 /// <summary>
149 /// 判断是否存在日志文件
150 /// </summary>
151 private static void Isexist()
152 {
153 string path = Environment.CurrentDirectory + @"\Log\";
154 if (!File.Exists(path))
155 {
156 Directory.CreateDirectory(path);
157 }
158 }
159 }
160 }
/// <summary>
/// 日记记录
/// </summary>
public class LogHelper
{
//在网站根目录下创建日志目录(bin文件夹→debug文件夹→logs文件夹)
public static string path = AppDomain.CurrentDomain.BaseDirectory + "Logs";
//死锁
public static object loglock = new object();
public static void Debug(string content)
{
WriteLog("DEBUG", content);
}
public static void Info(string content)
{
WriteLog("INFO", content);
}
public static void Test(string content)
{
WriteLog("Test", content);
}
public static void Error(string content)
{
WriteLog("ERROR", content);
}
protected static void WriteLog(string type, string content)
{
lock (loglock)
{
if (!Directory.Exists(path))//如果日志目录不存在就创建
{
Directory.CreateDirectory(path);
}
string time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff");//获取当前系统时间
string filename = path + "/" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";//用日期对日志文件命名
//创建或打开日志文件，向日志文件末尾追加记录
StreamWriter mySw = File.AppendText(filename);
//向日志文件写入内容
string write_content = time + " " + type + ": " + content+ Environment.NewLine;
mySw.WriteLine(write_content);
//关闭日志文件
mySw.Close();
}
}
}
来源：https://www.cnblogs.com/ashbur/p/12021582.html