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;
namespace OnlineStore.Common
{
public class LogUtil
{
public static readonly ILog AIOLog = LogManager.GetLogger("AIOBOXLog");
private static LogUtil instance = new LogUtil();
public delegate void ShowLog(string msg, Color color);
public static readonly ILog LOGGER = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public static Dictionary<int, DateTime> lastErrorLogTime = new Dictionary<int, DateTime>();
public static System.Windows.Forms.RichTextBox logBox = null;
public static int showCount = 20;
public static bool debug_opened = false;
public static void info(ILog log, string msg)
{
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);
}
}
private static List<string> lasErrorLogList = new List<string>();
public static void error(string errorMsg, int type, int spanSeconds = 10)
{
if (lastErrorLogTime.ContainsKey(type))
{
TimeSpan span = DateTime.Now - lastErrorLogTime[type];
if (span.TotalSeconds < spanSeconds)
{
return;
}
else
{
lastErrorLogTime.Remove(type);
lastErrorLogTime.Add(type, DateTime.Now);
error(LOGGER, errorMsg);
}
}
else
{
lastErrorLogTime.Add(type, DateTime.Now);
error(LOGGER, errorMsg);
}
}
public static void error(ILog log, string errorMsg)
{
log.Error(" - " + errorMsg);
AddToBox(errorMsg, Color.Red);
}
private static void AddToBox(string msg, Color color)
{
try
{
ShowLogPro(msg, color);
}
catch (Exception ex)
{
LOGGER.Error("出错：" + ex.StackTrace);
}
}
private static List<string> logList = new List<string>();
private static void ShowLogPro(string msg, Color color)
{
try
{
//if (logList.Count > 0)
//{
// logList.RemoveAt(0);
//}
//if (logList.Count >= showCount)
//{
// logList.RemoveAt(logList.Count - 1);
//}
//System.DateTime now = System.DateTime.Now;
//logList.Insert(0, now.ToLongTimeString() + " " + msg + Environment.NewLine);
//logList.Insert(0, Environment.NewLine);
if (logList.Count > 0)
{
// logList.RemoveAt(0);
}
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);
if (logBox == null)
{
return;
}
logBox.Text = text;
// logBox.Focus(); //使文本框获取焦点
logBox.AppendText(now.ToLongTimeString() + " " + msg + Environment.NewLine); //增加文本
logBox.Select(logBox.Text.Length, 0); //设置光标的位置到文本尾
logBox.ScrollToCaret(); //滚动到控件光标处
}
catch (Exception ex)
{
LOGGER.Error("出错：" + ex.ToString());
}
}
public static void ClearLog()
{
if (logBox != null)
{
logList.Clear();
logBox.Text = "";
}
}
public static void debug(string msg)
{
debug(LOGGER, msg);
}
public static void error(string errorMsg)
{
error(LOGGER, errorMsg);
}
public static void info(string msg)
{
info(LOGGER, msg);
}
}
}