log4net 写日志文件

代码:

using System;
using System.Configuration;
using System.Data;


using log4net;
using log4net.Config;
using log4net.Appender;
using log4net.Layout;
using log4net.Util;


namespace BizTalk.DAL.Log
{
    /**//// <summary>
    /// 日志文件处理
    /// </summary>
    public sealed class LogUtil
    {
        变量#region 变量

        //ConfigurationSettings.AppSettings
        protected static readonly log4net.ILog logger = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        private static string logFilePath = string.Empty;
        
        //日志文件 错误文件 处理文件路径
        private static string str_configfile = @"E:\Suzhou Project EDI\代码\BizTalkSolution_suzhou\BizTalk.suzhou.Config\Config\DB.config";

        //日志文件的读写也由 xml文件读取
        private static string logErrFilePath =System.Configuration.ConfigurationManager.AppSettings["ErrFilePath"];
        private static string logWarnFilePath = string.Empty;
        //日志文件路径
        private static string logInfoFilePath =System.Configuration.ConfigurationManager.AppSettings["logFilePath"];

        #endregion

        /**//// <summary>
        /// Ctr
        /// </summary>
        public LogUtil() { }

        获得参数设置#region 获得参数设置 
        /**//// <summary>
        /// 根据配置文件里面参数名称读参数
        /// </summary>
        /// <param name="ParameterName"></param>
        /// <returns></returns>
        public static string Get_Parameter(string ParameterName)
        {            
            DataSet ds_config =BizTalk.DAL.Data.XmlObject.GetXml(str_configfile);
            string str_xml_proc = ds_config.Tables[ParameterName].Rows[0]["value"].ToString();
            return str_xml_proc;
        }
        #endregion



        写日志文件Method#region 写日志文件Method

        public static void WriteLog(string msg)
        {
            string filePath = logFilePath;
            FileAppender fa = GetFileAppender(filePath);
            log4net.Config.BasicConfigurator.Configure(fa);
            //写入日志
            logger.Debug(msg);
        }

        //日志文件写入
        public static void WriteLogInfo(string msg)
        {
            //string filePath = logInfoFilePath;
            string filePath = Get_Parameter("logFilePath").Trim();
            FileAppender fa = GetFileAppender(filePath);
            log4net.Config.BasicConfigurator.Configure(fa);
            logger.Info(msg);           
        }

        public static void WriteLogWarn(string msg)
        {
            string filePath = logWarnFilePath;
            FileAppender fa = GetFileAppender(filePath);
            log4net.Config.BasicConfigurator.Configure(fa);
            logger.Warn(msg);
        }

        //错误文件写入
        public static void WriteLogErr(string msg)
        {
            //string filePath = logErrFilePath;
            string filePath = Get_Parameter("ErrFilePath").Trim();
            FileAppender fa = GetFileAppender(filePath);
            log4net.Config.BasicConfigurator.Configure(fa);
            logger.Error(msg);
        }

        #endregion

        /**//// <summary>
        /// 取得日志文件位置和样式
        /// </summary>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        private static FileAppender GetFileAppender(string filePath)
        {
            //日志文件布局
            PatternLayout sLayout = new PatternLayout("%date [%thread] %-5level %logger [%ndc] - %message%newline");
            sLayout.Header = "[Header]\r\n";
            sLayout.Footer = "[Footer]\r\n";

            //日志文件路径
            string fileName = filePath + "\\" + System.DateTime.Now.ToString("yyyy-MM-dd")
                              + "\\" + System.DateTime.Now.ToString("yyyy-MM-dd") + "-Log.log";
            FileAppender fa = new FileAppender(sLayout, fileName);
            return fa;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
namespace BizTalk.DAL.Log
{
    public class LogBase
    {
        private static void Write(string msg, string category)
        {
            string path = string.Format("c:\\{0}.log", category);
            using (System.IO.StreamWriter sw = new System.IO.StreamWriter(path, true))
            {
                try
                {
                    string lin = string.Format("[{2}] {0}\r\n:{1}", category, msg, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
                    sw.WriteLine(lin);
                    sw.Close();
                }
                catch (Exception e)
                {
                    Console.WriteLine(e);
                    sw.Close();
                }
            }
        }
        public static void TraceWrite(string message, string category)
        {
            try
            {
                if (category == "I")
                {
                    TraceSwitch mySwitch = new TraceSwitch("BizImpTrace", "Biztalk trace message");
                    if (mySwitch.TraceError)
                    {

                        Write(message, "BizImpException");

                        //Trace.Listeners[1].WriteLine(message, "BizImpException");

                    }
                }
                else if (category == "E")
                {
                    TraceSwitch mySwitch = new TraceSwitch("BizExTrace", "Biztalk trace message");
                    if (mySwitch.TraceError)
                    {
                        //System.Diagnostics.DefaultTraceListener = Trace.Listeners[2];
                        Write(message, "BizExException");
                        //Trace.Listeners[2].WriteLine(message, "BizImpException");
                    }
                }
                else if (category == "R")
                {
                    TraceSwitch mySwitch = new TraceSwitch("BizRouterTrace", "Biztalk trace message");
                    if (mySwitch.TraceError)
                    {
                        //System.Diagnostics.DefaultTraceListener = Trace.Listeners[2];
                        Write(message, "BizRouterException");
                        //Trace.Listeners[3].WriteLine(message, "BizRouterException");
                    }
                }
                else
                {
                    //if (mySwitch.TraceError)
                    //{
                    //System.Diagnostics.DefaultTraceListener = Trace.Listeners[2];
                    Write(message, "BizException");
                    //Trace.Listeners[0].WriteLine(message, "BizRouterException");
                    //}
                }
            }
            catch { }

        }
    }
}

配置文件增加:

  <add key="logFilePath" value="c:\log-file\"/>
      <add key ="ErrFilePath" value ="c:\log-err\"/>

在指定的目录,按照日期生成日志文件