[C#] 纯文本查看 复制代码
/*
* 日志类，不同于其他开源项目需要引用dll
* 代码简短，支持多线程写同一日志文件不冲突。
* 主要代码也来自网络，进行过优化和格式修改
* wisecn 2017-1-13
*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
namespace SXLibrary
{
public class Log
{
private static readonly Thread WriteThread;
private static readonly Queue<string> MsgQueue;
private static readonly object FileLock;
private static readonly string FilePath;
static Log()
{
FileLock = new object();
FilePath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "log\\";
WriteThread = new Thread(WriteMsg);
WriteThread.IsBackground = true;
MsgQueue = new Queue<string>();
WriteThread.Start();
}
public static void WriteInfoLog(string msg)
{
Monitor.Enter(MsgQueue);
MsgQueue.Enqueue(string.Format("{0}[{1}]{2}\r\n", " Info", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff"), msg));
Monitor.Exit(MsgQueue);
}
public static void WriteErrorLog(string msg)
{
Monitor.Enter(MsgQueue);
MsgQueue.Enqueue(string.Format("{0}[{1}]{2}\r\n", "Error", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff"), msg));
Monitor.Exit(MsgQueue);
}
public static void WriteDebugLog(string msg)
{
Monitor.Enter(MsgQueue);
MsgQueue.Enqueue(string.Format("{0}[{1}]{2}\r\n", "Debug", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff"), msg));
Monitor.Exit(MsgQueue);
}
private static void WriteMsg()
{
while (true)
{
if (MsgQueue.Count > 0)
{
Monitor.Enter(MsgQueue);
string msg = MsgQueue.Dequeue();
Monitor.Exit(MsgQueue);
Monitor.Enter(FileLock);
string _path = FilePath + msg.Substring(0, 5).Trim() + "\\" + DateTime.Now.ToString("yyyy-MM");
if (!Directory.Exists(_path))
{
Directory.CreateDirectory(_path);
}
string fileName = _path + "\\" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";
msg = msg.Remove(0, 5);
var logStreamWriter = new StreamWriter(fileName, true);
logStreamWriter.WriteLine(msg);
logStreamWriter.Close();
logStreamWriter.Dispose();
Monitor.Exit(FileLock);
if (GetFileSize(fileName) > 1024 * 2)
{
CopyToBak(fileName);
}
}
else
{
System.Threading.Thread.Sleep(5);
}
}
}
private static long GetFileSize(string fileName)
{
long strRe = 0;
if (File.Exists(fileName))
{
Monitor.Enter(FileLock);
var myFs = new FileStream(fileName, FileMode.Open);
strRe = myFs.Length / 1024;
myFs.Close();
myFs.Dispose();
Monitor.Exit(FileLock);
}
return strRe;
}
private static void CopyToBak(string sFileName)
{
int fileCount = 0;
string sBakName = "";
Monitor.Enter(FileLock);
do
{
fileCount++;
sBakName = sFileName + "." + fileCount + ".BAK";
}
while (File.Exists(sBakName));
File.Copy(sFileName, sBakName);
File.Delete(sFileName);
Monitor.Exit(FileLock);
}
}
}
强烈支持楼主ing……