参照博客http://blog.youkuaiyun.com/zhoufoxcn/article/details/2220533
配置文件名App.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net" type="System.Configuration.IgnoreSectionHandler"/>
</configSections>
<log4net>
<!--
<appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="RollingFileAppender_log.txt" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="10" />
<maximumFileSize value="100KB" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] (%file:%line) %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
-->
<appender name="LogFileAppender" type="log4net.Appender.FileAppender">
<!--每条日志末尾的文字说明-->
<footer value="by 周公" />
<!--定义文件存放位置-->
<file value="LogFileAppender_log.txt" />
<appendToFile value="true" />
<datePattern value="yyyyMMdd-HH:mm:ss" />
<layout type="log4net.Layout.PatternLayout">
<!--每条日志末尾的文字说明-->
<header value="[Header] " />
<footer value="[Footer] " />
<!--输出格式-->
<!--样例:2010-11-17 15:50:23,443 [9] (D:/CSProjects/Log4NetDemo/Log4NetDemo/Program.cs:27) FATAL Log4NetDemo.Program [(null)] - fatal
System.Exception: 在发生了一个致命错误,Exception Id:548828745-->
<conversionPattern value="记录时间:%date 线程ID:[%thread] 日志级别:文件:所在行%-5level 出错类:%logger property:[%property{NDC}] - 错误描述:%message%newline" />
</layout>
</appender>
<appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] (%file:%line) %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
<!--使用Rolling方式记录日志
每个日志文件最大100KB,生成的日志文件名会是log.txt.1,log.txt.2 ...log.txt.10
如果记录的日志超过10个,会从log.txt.1开始覆盖
-->
<appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="RollingFileAppender_log.txt" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="10" />
<maximumFileSize value="100KB" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] (%file:%line) %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
<!--使用Rolling方式记录日志
按照日来记录日志
-->
<appender name="RollingLogFileAppender_DateFormat" type="log4net.Appender.RollingFileAppender">
<file value="RollingLogFileAppender_DateFormat_log.txt" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<!--<datePattern value="yyyyMMdd-HHmm" />-->
<datePattern value="yyyyMMdd".log"" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread](%file:%line) %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
<!--记录到SQLite这样的单机数据库中去
创SQLite表的SQL语句:
CREATE TABLE Log (
LogId INTEGER PRIMARY KEY,
Date DATETIME NOT NULL,
Level VARCHAR(50) NOT NULL,
Logger VARCHAR(255) NOT NULL,
Source VARCHAR(255) NOT NULL,
Message TEXT DEFAULT NULL
);
-->
<appender name="AdoNetAppender_SQLite" type="log4net.Appender.AdoNetAppender">
<bufferSize value="100" />
<connectionType value="System.Data.SQLite.SQLiteConnection, System.Data.SQLite, Version=1.0.66.0, Culture=neutral" />
<!--SQLite连接字符串-->
<connectionString value="Data Source=c://log4net.db;Version=3;" />
<commandText value="INSERT INTO Log (Date, Level, Logger,Source, Message) VALUES (@Date, @Level, @Logger, @Source, @Message)" />
<parameter>
<parameterName value="@Date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value="@Level" />
<dbType value="String" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value="@Logger" />
<dbType value="String" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@Source" />
<dbType value="String" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%file:%line" />
</layout>
</parameter>
<parameter>
<parameterName value="@Message" />
<dbType value="String" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
</appender>
<!--定义输出到SQL Server数据库中-->
<!--
在SQL Server中创建表的SQL语句
CREATE TABLE [dbo].[Log] (
[Id] [int] IDENTITY (1, 1) NOT NULL,
[Date] [datetime] NOT NULL,
[Thread] [varchar] (255) NOT NULL,
[Level] [varchar] (50) NOT NULL,
[Logger] [varchar] (255) NOT NULL,
[Message] [varchar] (4000) NOT NULL,
[Exception] [varchar] (2000) NULL
);
-->
<appender name="AdoNetAppender_SQLServer" type="log4net.Appender.AdoNetAppender">
<bufferSize value="100" />
<connectionType value="System.Data.SqlClient.SqlConnection, System.Data" />
<connectionString value="data source=[database server];initial catalog=[database name];integrated security=false;persist security info=True;User ID=[user];Password=[password]" />
<commandText value="INSERT INTO Log ([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)" />
<parameter>
<parameterName value="@log_date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value="@thread" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%thread" />
</layout>
</parameter>
<parameter>
<parameterName value="@log_level" />
<dbType value="String" />
<size value="50" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value="@logger" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@message" />
<dbType value="String" />
<size value="4000" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
<parameter>
<parameterName value="@exception" />
<dbType value="String" />
<size value="2000" />
<layout type="log4net.Layout.ExceptionLayout" />
</parameter>
</appender>
<!--定义输出到Oracle9i中-->
<!--
在Oracle9i中创建表的SQL语句
create table log (
Datetime timestamp(3),
Thread varchar2(255),
Log_Level varchar2(255),
Logger varchar2(255),
Message varchar2(4000)
);
-->
<appender name="AdoNetAppender_Oracle" type="log4net.Appender.AdoNetAppender">
<connectionType value="System.Data.OracleClient.OracleConnection, System.Data.OracleClient" />
<connectionString value="data source=[mydatabase];User ID=[user];Password=[password]" />
<commandText value="INSERT INTO Log (Datetime,Thread,Log_Level,Logger,Message) VALUES (:log_date, :thread, :log_level, :logger, :message)" />
<bufferSize value="128" />
<parameter>
<parameterName value=":log_date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value=":thread" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%thread" />
</layout>
</parameter>
<parameter>
<parameterName value=":log_level" />
<dbType value="String" />
<size value="50" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value=":logger" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value=":message" />
<dbType value="String" />
<size value="4000" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
</appender>
<!--定义输出到IBM DB2中-->
<!--
在DB2中创建表的SQL语句
CREATE TABLE "myschema.LOG" (
"ID" INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY (
START WITH +1
INCREMENT BY +1
MINVALUE +1
MAXVALUE +2147483647
NO CYCLE
NO CACHE
NO ORDER
),
"DATE" TIMESTAMP NOT NULL,
"THREAD" VARCHAR(255) NOT NULL,
"LEVEL" VARCHAR(500) NOT NULL,
"LOGGER" VARCHAR(255) NOT NULL,
"MESSAGE" VARCHAR(4000) NOT NULL,
"EXCEPTION" VARCHAR(2000)
)
IN "LRGTABLES";
-->
<appender name="AdoNetAppender_DB2" type="log4net.Appender.AdoNetAppender">
<bufferSize value="100" />
<connectionType value="IBM.Data.DB2.DB2Connection,IBM.Data.DB2" />
<connectionString value="server=192.168.0.0;database=dbuser;user Id=username;password=password;persist security info=true" />
<commandText value="INSERT INTO myschema.Log (Date,Thread,Level,Logger,Message,Exception) VALUES (@log_date,@thread,@log_level,@logger,@message,@exception)" />
<parameter>
<parameterName value="@log_date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value="@thread" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%thread" />
</layout>
</parameter>
<parameter>
<parameterName value="@log_level" />
<dbType value="String" />
<size value="500" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value="@logger" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@message" />
<dbType value="String" />
<size value="4000" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
<parameter>
<parameterName value="@exception" />
<dbType value="String" />
<size value="2000" />
<layout type="log4net.Layout.ExceptionLayout" />
</parameter>
</appender>
<!--定义输出到windows事件中-->
<appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
<!--定义输出到数据库中,这里举例输出到Access数据库中,数据库为C盘的log4net.mdb
创建Access表的SQL语句:
-->
<appender name="AdoNetAppender_Access" type="log4net.Appender.AdoNetAppender">
<connectionString value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/log4net.mdb" />
<commandText value="INSERT INTO LogDetails ([LogDate],[Thread],[Level],[Logger],[Message]) VALUES (@logDate, @thread, @logLevel, @logger,@message)" />
<!--定义各个参数-->
<parameter>
<parameterName value="@logDate" />
<dbType value="String" />
<size value="240" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date" />
</layout>
</parameter>
<parameter>
<parameterName value="@thread" />
<dbType value="String" />
<size value="240" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%thread" />
</layout>
</parameter>
<parameter>
<parameterName value="@logLevel" />
<dbType value="String" />
<size value="240" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value="@logger" />
<dbType value="String" />
<size value="240" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@message" />
<dbType value="String" />
<size value="240" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
</appender>
<root>
<!--文件形式记录日志-->
<appender-ref ref="LogFileAppender" />
<!--控制台控制显示日志-->
<appender-ref ref="ConsoleAppender" />
<!--Windows事件日志-->
<!--<appender-ref ref="EventLogAppender" />-->
<!--SQLite日志-->
<!--<appender-ref ref="AdoNetAppender_SQLite" />-->
<!--RollingFileAppender事件日志-->
<appender-ref ref="RollingFileAppender" />
<!--RollingFileAppender事件日志,每天一个日志-->
<appender-ref ref="RollingLogFileAppender_DateFormat" />
<!-- 如果不启用相应的日志记录,可以通过这种方式注释掉
<appender-ref ref="AdoNetAppender_Access" />
-->
</root>
</log4net>
</configuration>
Form代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using log4net;
[assembly: log4net.Config.XmlConfigurator(Watch = true)]
namespace Chareree.WinfrmLog4net
{
public partial class frmMain : Form
{
public frmMain()
{
InitializeComponent();
}
//如果是web项目,需要在global.asax的Application_Start方法中配置web.config的引用,log4net.Config.XmlConfigurator.Configure();
private void Button_Open_Click(object sender, EventArgs e)
{
ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
//记录错误日志
log.Error("error", new Exception("在这里发生了一个异常,Error Number:"));
//记录严重错误
log.Fatal("fatal", new Exception("在发生了一个致命错误,Exception Id"));
//记录一般信息
log.Info("提示:系统正在运行");
//记录调试信息
log.Debug("调试信息:debug");
//记录警告信息
log.Warn("警告:warn");
}
}
}
---
/// <summary>
/// 下载并保存指定Url的文件,返回文件长度
/// </summary>
/// <param name="FileURL"></param>
/// <param name="FileSavePath"></param>
/// <returns></returns>
public long DownloadFile(string FileURL, string FileSavePath)
{
long contentLength = 0L;
HttpWebRequest request = WebRequest.Create(FileURL) as HttpWebRequest;
request.CookieContainer = this.cookie;
request.AllowAutoRedirect = true;
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
Stream responseStream = response.GetResponseStream();
try
{
contentLength = response.ContentLength;
byte[] buffer = new byte[0x200];
int count = 0;
count = responseStream.Read(buffer, 0, 0x200);
FileStream stream2 = System.IO.File.Create(FileSavePath);
try
{
while (count > 0)
{
stream2.Write(buffer, 0, count);
count = responseStream.Read(buffer, 0, 0x200);
}
return contentLength;
}
finally
{
stream2.Close();
}
}
catch (Exception ex)
{
RwLog.Log("下载文件失败-"+ex.Message);
}
finally
{
response.Close();
responseStream.Close();
}
return contentLength;
}