LogUtil.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using log4net;
using System.Reflection;
using System.Drawing;
using System.Runtime.ExceptionServices;
using System.Collections.Concurrent;
using System.Threading;
namespace OnlineStore.Common
{
public class LogUtil
{
//public static readonly ILog AIOLog = LogManager.GetLogger("AIOBOX");
//private static LogUtil instance = new LogUtil();
public delegate void ShowLogDelegate(string msg, Color color);
public event ShowLogDelegate ShowLog;
public static readonly ILog LOGGER = LogManager.GetLogger("RollingLogFileAppender");
public static readonly ILog rfidLog = LogManager.GetLogger("RfidLog");
//public static readonly ILog timeCount = LogManager.GetLogger("Count");
public static ConcurrentDictionary<int, DateTime> lastErrorLogTime = new ConcurrentDictionary<int, DateTime>();
public static int showCount = 15;
public static bool debug_opened = false;
public static void info(ILog log, string msg)
{
if (log == null)
{
return;
}
log.Info(msg);
AddToBox(msg, Color.Black);
}
public static void info(ILog log, string msg, Color color)
{
log.Info(msg);
AddToBox(msg, color);
}
public static void debug(ILog log, string msg, Color color)
{
log.Debug(msg);
if (debug_opened)
{
AddToBox(msg, color);
}
}
public static void debug(ILog log, string msg)
{
log.Debug(msg);
if (debug_opened)
{
AddToBox(msg, Color.Gray);
}
}
public static void RfidLog(string msg)
{
rfidLog.Debug(msg);
}
public static void error(string errorMsg, int type, int seconds = 10)
{
try
{
if (lastErrorLogTime.ContainsKey(type))
{
TimeSpan span = DateTime.Now - lastErrorLogTime[type];
if (span.TotalSeconds > seconds)
{
lastErrorLogTime[type] = DateTime.Now;
error(LOGGER, errorMsg);
}
}
else
{
lastErrorLogTime.TryAdd(type, DateTime.Now);
error(LOGGER, errorMsg);
}
}
catch (Exception ex)
{
LOGGER.Error(" 打印日志【" + type + "-" + errorMsg + "】出错：" + ex.ToString());
}
}
public static void error(ILog log, string errorMsg, Exception ex = null)
{
if (errorMsg.Trim().Equals("") && (ex == null))
{
return;
}
if (ex == null)
{
log.Error(errorMsg);
}
else
{
log.Error(errorMsg, ex);
}
AddToBox(errorMsg, Color.Red);
}
private static object lockObj = "";
private static void AddToBox(string msg, Color color)
{
if (Monitor.TryEnter(lockObj, 2))
{
try
{
ShowLogPro(msg, color);
}
catch (Exception ex)
{
LOGGER.Error("出错：", ex);
}
finally
{
Monitor.Exit(lockObj);
}
}
else
{
LOGGER.Debug("ShowLogPro【" + msg + "】失败，未得到锁");
}
}
private static List<string> logList = new List<string>();
public static string LastText = "";
[HandleProcessCorruptedStateExceptions]
private static void ShowLogPro(string msg, Color color)
{
try
{
if (logList.Count >= showCount)
{
logList.RemoveAt(0);
}
string text = "";
foreach (string str in logList)
{
text += str;
}
System.DateTime now = System.DateTime.Now;
logList.Add(now.ToLongTimeString() + " " + msg + Environment.NewLine);
}
catch (AccessViolationException e)
{
LOGGER.Error(" ShowLogPro 出错：" + e.ToString());
}
catch (Exception ex)
{
LOGGER.Error("出错：" + ex.ToString());
}
}
private static DateTime lastTime = DateTime.Now;
public static void debug(string msg)
{
debug(LOGGER, msg);
}
public static void error(string errorMsg, Exception ex = null)
{
error(LOGGER, errorMsg, ex);
}
public static void info(string msg)
{
info(LOGGER, msg);
}
}
}