C# 日志类
lock 关键字可确保当一个线程位于代码的临界区时，另一个线程不会进入该临界区。如果其他线程试图进入锁定的代码，则它将一直等待（即被阻止），直到该对象被释放。
using System;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
using System.IO;
namespace WriteLogClass
{
///
<summary>
///
错误信息处理类
///
</summary>
public class
Error
{
/// <summary>
/// 对象
/// </summary>
public object obj = new object();
/// <summary>
/// 对象
/// </summary>
public static object Obj = new object();
/// <summary>
/// 错误信息中的错误信息
/// </summary>
private string ErrMessAge;
/// <summary>
/// 错误信息中的错误信息
/// </summary>
public string ErrMessage
{
get { return ErrMessAge; }
set { ErrMessAge = value; }
}
/// <summary>
/// 错误ID
/// </summary>
private string ErrId;
/// <summary>
/// 错误ID
/// </summary>
public string Id
{
get { return ErrId; }
set { ErrId = value; }
}
/// <summary>
/// 错误信息
/// </summary>
private string MessAge;
/// <summary>
/// 错误信息
/// </summary>
public string Message
{
get { return MessAge; }
set { MessAge = value; }
}
/// <summary>
/// 类名
/// </summary>
private string className;
/// <summary>
/// 类名
/// </summary>
public string ClassName
{
get { return className; }
set { className = value; }
}
/// <summary>
/// 方法名
/// </summary>
private string functionName;
/// <summary>
/// 方法名
/// </summary>
public string FunctionName
{
get { return functionName; }
set { functionName = value; }
}
/// <summary>
/// 错误源
/// </summary>
private string DataSource;
/// <summary>
/// 错误源
/// </summary>
public string Source
{
get { return DataSource; }
set { DataSource = value; }
}
#region 把错误信息写入日志
/// <summary>
/// 把错误信息写入日志
/// </summary>
public void WriteLog()
{
lock (this.obj)
{
string Path = "";
try
{
Path =
System.Configuration.ConfigurationManager.AppSettings["LogPath"].ToString();
}
catch (Exception e)
{
Path = "/Log";
this.ErrMessAge = e.Message;
}
string p =
System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase +
"\\" + Path + "\\" + DateTime.Now.ToString("yyyy-MM-dd") +
".txt";
Path =
System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase +
"\\" + Path;
if (!Directory.Exists(Path))
{
DirectoryInfo Dir = Directory.CreateDirectory(Path);
Dir.Refresh();
}
if (!File.Exists(p))
{
FileStream fso = File.Create(p);
fso.Close();
fso.Dispose();
StreamWriter SW = File.AppendText(p);
SW.WriteLine("===================================================================================================");
SW.WriteLine("
本站日志文件
");
SW.WriteLine("===================================================================================================");
SW.WriteLine("");
SW.Flush();
SW.Close();
SW.Dispose();
}
StreamWriter sw = File.AppendText(p);
sw.WriteLine("");
sw.WriteLine("===================================================================================================");
sw.WriteLine("");
sw.WriteLine("[" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") +
"] ");
sw.WriteLine("错误数据源：" + this.Source);
sw.WriteLine("错误方法：");
sw.WriteLine("错误方法所属类：" + this.ClassName);
sw.WriteLine("错误方法：" + this.FunctionName);
try
{
sw.WriteLine("当前IP：" + XiaoFeng.Function.GetIP4Address() +
"");
sw.WriteLine("当前错误页面地址：" +
System.Web.HttpContext.Current.Request.Url.ToString());
}
catch (Exception ex) { }
sw.WriteLine("当前错误信息：" + this.Message.ToString());
sw.Flush();
sw.Close();
sw.Dispose();
}
}
/// <summary>
/// 写错误日志
/// </summary>
/// <param
name="E">Exception类</param>
public static void WriteLog(Exception E)
{
lock (Obj)
{
string Path = "";
try
{
Path =
System.Configuration.ConfigurationManager.AppSettings["LogPath"].ToString();
}
catch (Exception e)
{
Path = "/Log";
}
string p =
System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase +
"\\" + Path + "\\" + DateTime.Now.ToString("yyyy-MM-dd") +
".txt";
Path =
System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase +
"\\" + Path;
if (!Directory.Exists(Path))
{
DirectoryInfo Dir = Directory.CreateDirectory(Path);
Dir.Refresh();
}
if (!File.Exists(p))
{
FileStream fso = File.Create(p);
fso.Close();
fso.Dispose();
StreamWriter SW = File.AppendText(p);
SW.WriteLine("===================================================================================================");
SW.WriteLine("
本站日志文件
");
SW.WriteLine("===================================================================================================");
SW.WriteLine("");
SW.Flush();
SW.Close();
SW.Dispose();
}
StreamWriter sw = File.AppendText(p);
sw.WriteLine("");
sw.WriteLine("===================================================================================================");
sw.WriteLine("");
sw.WriteLine("[" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") +
"] ");
sw.WriteLine("错误数据源：" + E.Source);
sw.WriteLine("错误方法所属类：" +
E.TargetSite.DeclaringType.Name.ToString());
sw.WriteLine("错误方法：" + E.TargetSite.Name.ToString());
try
{
sw.WriteLine("当前IP：" + XiaoFeng.Function.GetIP4Address() +
"");
sw.WriteLine("当前错误页面地址：" +
System.Web.HttpContext.Current.Request.Url.ToString());
}
catch (Exception ex) { }
sw.WriteLine("当前错误信息：" + E.Message.ToString());
sw.Flush();
sw.Close();
sw.Dispose();
}
}
#endregion
}
}
-----------------------------------另一种简单的写日志的方法----------------------------------
//记录LOG信息
private void writelog(string info)
{
try
{
string Path = PathBase + "log" + DateTime.Now.ToLongDateString() +
".txt";//如果不存在则新建一个文件，存在的话就直接加进去
System.IO.StreamWriter rw = new System.IO.StreamWriter(Path,
true);
rw.WriteLine(info + " --------- " +
DateTime.Now.ToString());//加时间标签
rw.Close();
}
catch
{
//
}
}
--------------------------------另一种简单的写日志的方法--------------------------------------
public static class ExpHelper
{
private static object logLock = new object();
public static string fileConsolePath = Application.StartupPath +
"\\txt\\cos_" + DateTime.Now.ToString().Replace(':', '.') +
".txt";
public static string fileLogPath = Application.StartupPath +
"\\txt\\log_" + DateTime.Now.ToString().Replace(':', '.') +
".txt";
public static void Cos(string text)
{
File.AppendAllText(fileConsolePath, DateTime.Now.ToString() +
"
" + text + Environment.NewLine);
}
public static void Log(string text)
{
lock(logLock)
File.AppendAllText(fileLogPath, DateTime.Now.ToString() +
"
" + text + Environment.NewLine);
}
}
------------------------------------------------------------------
public
static class WriteLogClass
{
/// <summary>
/// 对象
/// </summary>
private static object logLock = new object();
/// <summary>
/// 应用程序的启动路径
/// </summary>
private static string PathBase =
System.AppDomain.CurrentDomain.BaseDirectory;
/// <summary>
/// 写日志信息
/// </summary>
/// <param
name="logInfo"></param>
public static void WriteLog(string logInfo)
{
lock (logLock)
{
string Path = PathBase + "Log\\Log_" +
DateTime.Now.ToLongDateString() + ".txt";
//string Path_add = Application.StartupPath +
"\\Log\\log_" + DateTime.Now.ToLongDateString() + ".txt";
//File.AppendAllText(Path_add, DateTime.Now.ToString() +
"
" + logInfo + Environment.NewLine);
System.IO.StreamWriter SW = new System.IO.StreamWriter(Path,
true);//如果不存在则新建一个文件，存在的话就直接加进去
try
{
SW.WriteLine(DateTime.Now.ToString() + " --------- " +
logInfo);//加时间标签
}
catch
{ }
SW.Flush();
SW.Close();
SW.Dispose();
}
}
}
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