自己写的 Log日志记录类,支持文件和数据库,自动建立Log表格,刚学设计模式,大家别见笑。
文件:ILog.cs代码
using System;

namespace LZ2007.Function.Log

...{

/**//// <summary>
/// 日志通用接口
/// </summary>
public interface ILog

...{
void Info(string message, int level);
void Info(string message);
void Warn(string message, int leave);
void Warn(string message);
void Debug(string message, int leave);
void Debug(string message);
void Error(string message, Exception e, int leave);
void Error(string message, Exception e);
void Fatal(string message, Exception e, int leave);
void Fatal(string message, Exception e);
void Close();
}
}
文件LogManage.cs代码
using System;
using System.Data;
using System.Configuration;

namespace LZ2007.Function.Log

...{

/**//// <summary>
/// 日志工厂类
/// </summary>
public static class LogFactory

...{
public static ILog GetLog(Type objType)

...{
int _LogType = Convert.ToInt32(ConfigurationManager.AppSettings["eLogType"]);
ILog log = null;
if (_LogType == 1)

...{
log = new DataBaseLog(objType);
}
else if(_LogType==0)

...{
log = new FileLog(objType);
}
return log;
}
}
}
文件DataBaseLog.cs代码
using System;
using System.Data;
using System.Configuration;
using System.Web;

using System.Data.SqlClient;

namespace LZ2007.Function.Log

...{

/**//// <summary>
/// 数据库日志类.
/// </summary>
public class DataBaseLog : ILog

...{

私有变量申明#region 私有变量申明
private string _LogConnStr;
private string _LogObjectSource;

private bool _isDebug;
private bool _isInfo;
private bool _isError;
private bool _isWarn;

private SqlConnection _sqlConn;

public bool IsDebug

...{

get ...{ return _isDebug; }

set ...{ _isDebug = value; }
}
public bool IsInfo

...{

get ...{ return _isInfo; }

set ...{ _isInfo = value; }
}
public bool IsError

...{

get ...{ return _isError; }

set ...{ _isError = value; }
}
public bool IsWarn

...{

get ...{ return _isWarn; }

set ...{ _isWarn = value; }
}
#endregion

public DataBaseLog(Type objType)

...{
_isDebug = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogDebug"]);
_isInfo = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogInfo"]);
_isError = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogError"]);
_isWarn = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogWarn"]);
_LogObjectSource = objType.FullName;
//_LogType = Convert.ToInt32(ConfigurationManager.AppSettings["eLogType"]);
_LogConnStr = ConfigurationManager.AppSettings["eLogConnStr"];
_sqlConn = new SqlConnection(_LogConnStr);
Init();
}

private void Init()

...{
//检查是否有该表
string strTest = "select count(name)as a1 from sysobjects where id = object_id(N’[LOGSYSTEM]’) and OBJECTPROPERTY(id, N’IsUserTable’) = 1";

//建立表
string strSQL = "CREATE TABLE [dbo].[LOGSYSTEM] (" +
"[lId] [int] IDENTITY (1, 1) NOT NULL ," +
"[lMessage] [nvarchar] (1000) COLLATE Chinese_PRC_CI_AS NULL ," +
"[lLevel] [int] NULL ," +
"[lSource] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ," +
"[lException] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ," +
"[lType] [int] NULL ," +
"[lDate] [datetime] NULL ," +
"[lADDIT1] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ," +
"[lADDIT2] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ," +
"[lADDIT3] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL " +
") ON [PRIMARY]";

_sqlConn.Open();
SqlCommand sqlcomm = new SqlCommand(strTest, _sqlConn);
int i = (int)sqlcomm.ExecuteScalar(); ;
if (i == 0)

...{
sqlcomm = new SqlCommand(strSQL, _sqlConn);


sqlcomm.ExecuteNonQuery();
}
sqlcomm.Dispose();
}

private int insertLog(string message, int level, string source, string exception, int type)

...{

string strSQL = "INSERT INTO LOGSYSTEM(lMessage,lLevel,lSource,lException,lType,lDate) " +
"VALUES (@lMessage,@lLevel,@lSource,@lException,@lType,@lDate)";
SqlCommand sqlcomm = new SqlCommand(strSQL, _sqlConn);
if (_sqlConn.State == ConnectionState.Closed)

...{
_sqlConn.Open();
}
sqlcomm.Parameters.Add("@lMessage", SqlDbType.NVarChar, 1000);
sqlcomm.Parameters["@lMessage"].Direction = ParameterDirection.Input;
sqlcomm.Parameters["@lMessage"].Value = message;

sqlcomm.Parameters.Add("@lLevel", SqlDbType.Int);
sqlcomm.Parameters["@lLevel"].Direction = ParameterDirection.Input;
sqlcomm.Parameters["@lLevel"].Value = level;

sqlcomm.Parameters.Add("@lSource", SqlDbType.NVarChar, 100);
sqlcomm.Parameters["@lSource"].Direction = ParameterDirection.Input;
sqlcomm.Parameters["@lSource"].Value = source;

sqlcomm.Parameters.Add("@lException", SqlDbType.NVarChar, 100);
sqlcomm.Parameters["@lException"].Direction = ParameterDirection.Input;
sqlcomm.Parameters["@lException"].Value = exception;

sqlcomm.Parameters.Add("@lType", SqlDbType.Int);
sqlcomm.Parameters["@lType"].Direction = ParameterDirection.Input;
sqlcomm.Parameters["@lType"].Value = type;

sqlcomm.Parameters.Add("@lDate", SqlDbType.DateTime);
sqlcomm.Parameters["@lDate"].Direction = ParameterDirection.Input;
sqlcomm.Parameters["@lDate"].Value = DateTime.Now;
return sqlcomm.ExecuteNonQuery();
}

public void Close()

...{
this.Info("Log End", 5);
_sqlConn.Close();
}


信息[Info]#region 信息[Info]
public void Info(string message, int level)

...{
if (_isInfo)

...{
insertLog(message, level, _LogObjectSource, "", 0);
}
}

public void Info(string message)

...{
if (_isInfo)

...{
insertLog(message, 0, _LogObjectSource, "", 0);
}
}
#endregion


警告[Warn]#region 警告[Warn]
public void Warn(string message)

...{
if (_isWarn)

...{
insertLog(message, 0, _LogObjectSource, "", 1);
}
}

public void Warn(string message, int leave)

...{
if (_isWarn)

...{
insertLog(message, leave, _LogObjectSource, "", 1);
}
}
#endregion


调试[Debug]#region 调试[Debug]
public void Debug(string message, int leave)

...{
if (_isDebug)

...{
insertLog(message, leave, _LogObjectSource, "", 2);
}
}

public void Debug(string message)

...{
if (_isDebug)

...{
insertLog(message, 0, _LogObjectSource, "", 2);
}
}
#endregion


错误[Error]#region 错误[Error]
public void Error(string message, Exception e, int leave)

...{
if (_isError)

...{
if (e != null)

...{
insertLog(message, leave, _LogObjectSource, e.Message, 3);
}
else

...{
insertLog(message, leave, _LogObjectSource, "", 3);
}
}
}

public void Error(string message, Exception e)

...{
if (_isError)

...{
if (e != null)

...{
insertLog(message, 0, _LogObjectSource, e.Message, 3);
}
else

...{
insertLog(message, 0, _LogObjectSource, "", 3);
}
}
}
#endregion


致命错误[Fatal]#region 致命错误[Fatal]
public void Fatal(string message, Exception e, int leave)

...{
if (e != null)

...{
insertLog(message, leave, _LogObjectSource, e.Message, 4);
}
else

...{
insertLog(message, leave, _LogObjectSource, "", 4);
}
}

public void Fatal(string message, Exception e)

...{
if (e != null)

...{
insertLog(message, 0, _LogObjectSource, e.Message, 4);
}
else

...{
insertLog(message, 0, _LogObjectSource, "", 4);
}
}
#endregion

}
}
文件FileLog.cs代码
using System;
using System.Data;
using System.Configuration;
using System.Web;

using System.IO;

namespace LZ2007.Function.Log

...{

/**//// <summary>
/// FileLog 的摘要说明
/// </summary>
///
public class FileLog : ILog

...{

私有变量申明#region 私有变量申明
private string _LogFile;
private string _LogMsgFormat;
private string _LogObjectSource;

private StreamWriter sw;
private bool _isDebug;
private bool _isInfo;
private bool _isError;
private bool _isWarn;

public bool IsDebug

...{

get ...{ return _isDebug; }

set ...{ _isDebug = value; }
}
public bool IsInfo

...{

get ...{ return _isInfo; }

set ...{ _isInfo = value; }
}
public bool IsError

...{

get ...{ return _isError; }

set ...{ _isError = value; }
}
public bool IsWarn

...{

get ...{ return _isWarn; }

set ...{ _isWarn = value; }
}
#endregion

public FileLog(Type objType)

...{
_isDebug = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogDebug"]);
_isInfo = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogInfo"]);
_isError = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogError"]);
_isWarn = Convert.ToBoolean(ConfigurationManager.AppSettings["eLogWarn"]);
_LogObjectSource = objType.FullName;
_LogFile = ConfigurationManager.AppSettings["eLogFile"];
_LogMsgFormat = ConfigurationManager.AppSettings["eLogMsgFormat"];
Init();
}

public void Close()

...{
this.Info("Log End", 5);
sw.Close();
}


私有函数实现#region 私有函数实现
private void Init()

...{
string path = HttpContext.Current.Server.MapPath("~/") + _LogFile;
sw = File.AppendText(path);
}

private void insertLog(string message, int level, string source, string exception, int type)

...{
string sType = string.Empty;
string msg = _LogMsgFormat;
msg = msg.Replace("{$message}", message);
msg = msg.Replace("{$level}", level.ToString());
msg = msg.Replace("{$source}", source);
msg = msg.Replace("{$exception}", exception);

switch (type)

...{
case 0:

...{
sType = "Info";
break;
}
case 1:

...{
sType = "Warn";
break;
}
case 2:

...{
sType = "Debug";
break;
}
case 3:

...{
sType = "Error";
break;
}
case 4:

...{
sType = "Fatal";
break;
}
}
msg = msg.Replace("{$type}", sType);
msg = msg.Replace("{$time}", DateTime.Now.ToString());
sw.WriteLine(msg);
sw.Flush();
}
#endregion


信息[Info]#region 信息[Info]
public void Info(string message, int level)

...{
if (_isInfo)

...{
insertLog(message, level, _LogObjectSource, "", 0);
}
}

public void Info(string message)

...{
if (_isInfo)

...{
insertLog(message, 0, _LogObjectSource, "", 0);
}
}
#endregion


警告[Warn]#region 警告[Warn]
public void Warn(string message)

...{
if (_isWarn)

...{
insertLog(message, 0, _LogObjectSource, "", 1);
}
}

public void Warn(string message, int leave)

...{
if (_isWarn)

...{
insertLog(message, leave, _LogObjectSource, "", 1);
}
}
#endregion


调试[Debug]#region 调试[Debug]
public void Debug(string message, int leave)

...{
if (_isDebug)

...{
insertLog(message, leave, _LogObjectSource, "", 2);
}
}

public void Debug(string message)

...{
if (_isDebug)

...{
insertLog(message, 0, _LogObjectSource, "", 2);
}
}
#endregion


错误[Error]#region 错误[Error]
public void Error(string message, Exception e, int leave)

...{
if (_isError)

...{
if (e != null)

...{
insertLog(message, leave, _LogObjectSource, e.Message, 3);
}
else

...{
insertLog(message, leave, _LogObjectSource, "", 3);
}
}
}

public void Error(string message, Exception e)

...{
if (_isError)

...{
if (e != null)

...{
insertLog(message, 0, _LogObjectSource, e.Message, 3);
}
else

...{
insertLog(message, 0, _LogObjectSource, "", 3);
}
}
}
#endregion


致命错误[Fatal]#region 致命错误[Fatal]
public void Fatal(string message, Exception e, int leave)

...{
if (e != null)

...{
insertLog(message, leave, _LogObjectSource, e.Message, 4);
}
else

...{
insertLog(message, leave, _LogObjectSource, "", 4);
}
}

public void Fatal(string message, Exception e)

...{
if (e != null)

...{
insertLog(message, 0, _LogObjectSource, e.Message, 4);
}
else

...{
insertLog(message, 0, _LogObjectSource, "", 4);
}
}
#endregion
}
}
配置文件Web.config
<appSettings>
<add key="eLogConnStr" value="Data Source=LZSHSQLSERVER2005;Initial Catalog=LZDB;Persist Security Info=True;User ID=sa;password=oilchem2007;" />
<add key="eLogFile" value="sys.log" />
<add key="eLogType" value="1" />
<add key="eLogDebug" value="False" />
<add key="eLogInfo" value="True" />
<add key="eLogError" value="True" />
<add key="eLogWarn" value="True" />
<add key="eLogMsgFormat" value="{$type}[{$time}]:{$message}:({$level}) --- {$source}[{$exception}]"/>
</appSettings>
测试代码:
private static ILog log = LogFactory.GetLog(typeof(Test));
protected void Page_Load(object sender, EventArgs e)

...{
int i = 10, j = 0, k;
try

...{
log.Info("记录一下信息!");
k = i / j;
}
catch (Exception e1)

...{
log.Error("发生错误1", e1);
}
finally

...{
log.Close();
}
}
最后附上全部代码:
/Files/eicesoft/Log.zip