基于Log4Net记录日志到SQLServer（自定义字段）
本文记录通过log4net将日志信息记录到SQLServer数据库中。
1、新建控制台应用程序 Log4NetDemo；
2、通过NuGet安装Log4Net （项目版本2.0.8）；
3、项目根目录下添加 log4net.config 配置文件；
<?xml version="1.0"?>
<configuration>
<!--声明一个名为“log4net”的自定义配置节-->
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>
</configSections> <!--log4net配置信息-->
<log4net>
<logger name="WebLogger">
<level value="INFO"/><!--定义在这个级别之上的日志才会被记录-->
<appender-ref ref="ADONetAppender" /><!--定义日志对象使用的Appender对象-->
</logger> <!--Appenders用来定义日志的输出方式 -->
<!--name = “AdoNetAppender” sql数据库-->
<appender name="ADONetAppender" type="log4net.Appender.ADONetAppender">
<!--缓冲区大小为10，缓存10条记录同时写入数据库，避免每次都去请求数据库连接写数据-->
<bufferSize value=""/>
<!-- SQL数据源 ，本地安装SQL客户端-->
<connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
<!-- SQL连接字符串，修改为自己的-->
<connectionString value="Data Source=ali.xsd.com;Initial Catalog=test;Integrated Security=false;User ID=admin;Password=123456;" />
<!-- 数据库插入-->
<commandText value="INSERT INTO AppOpLog ([ThreadId],[Level],[Message],[Exception],[LogTime],[UserPhone],[IP],[ControllerName],[ActionName],[ActionParam],[Url],[HttpHeader],[HttpMethod],[UserAgent],[StartTime],[EndTime],[RunTime])
VALUES ( @thread,@log_level, @message, @exception,@log_date, @UserPhone,@IP,@ControllerName,@ActionName,@ActionParam,@Url,@HttpHeader,@HttpMethod,@UserAgent,@StartTime,@EndTime,@RunTime)"/>
<!--线程号-->
<parameter>
<parameterName value="@thread" />
<dbType value="String" />
<size value="" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%t" />
</layout>
</parameter>
<!--日志记录时间，RawTimeStampLayout 为默认的时间输出格式-->
<parameter>
<parameterName value="@log_date"/>
<dbType value="DateTime"/>
<layout type="log4net.Layout.RawTimeStampLayout"/>
</parameter>
<!--日志等级-->
<parameter>
<parameterName value="@log_level"/>
<dbType value="String"/>
<size value=""/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level"/>
</layout>
</parameter>
<!--异常 ExceptionLayout 默认的异常输出格式-->
<parameter>
<parameterName value="@exception"/>
<dbType value="String"/>
<size value=""/>
<layout type="log4net.Layout.ExceptionLayout"/>
</parameter> <parameter>
<parameterName value="@message"/>
<dbType value="String"/>
<size value=""/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message"/>
</layout>
</parameter> <!--自定义成员-->
<parameter>
<parameterName value="@UserPhone" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%UserPhone" />
</layout>
</parameter>
<parameter>
<parameterName value="@IP" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%IP" />
</layout>
</parameter>
<parameter>
<parameterName value="@StartTime" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%StartTime" />
</layout>
</parameter>
<parameter>
<parameterName value="@EndTime" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%EndTime" />
</layout>
</parameter>
<parameter>
<parameterName value="@RunTime" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%RunTime" />
</layout>
</parameter>
<parameter>
<parameterName value="@ControllerName" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%ControllerName" />
</layout>
</parameter>
<parameter>
<parameterName value="@ActionName" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%ActionName" />
</layout>
</parameter>
<parameter>
<parameterName value="@ActionParam" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%ActionParam" />
</layout>
</parameter>
<parameter>
<parameterName value="@Url" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%Url" />
</layout>
</parameter>
<parameter>
<parameterName value="@HttpMethod" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%HttpMethod" />
</layout>
</parameter>
<parameter>
<parameterName value="@HttpHeader" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%HttpHeader" />
</layout>
</parameter>
<parameter>
<parameterName value="@UserAgent" />
<dbType value="String" />
<layout type="Log4NetDemo.CustomLayout">
<conversionPattern value="%UserAgent" />
</layout>
</parameter> </appender>
</log4net> <startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
</configuration>
4、日志记录中添加自定义字段
public class CustomLayout : log4net.Layout.PatternLayout
{
public CustomLayout()
{
this.AddConverter("UserPhone", typeof(UserPhonePatternConverter));
this.AddConverter("IP", typeof(IPPatternConverter));
this.AddConverter("ControllerName", typeof(ControllerNamePatternConverter));
this.AddConverter("ActionName", typeof(ActionNamePatternConverter));
this.AddConverter("ActionParam", typeof(ActionParamPatternConverter));
this.AddConverter("Url", typeof(UrlPatternConverter));
this.AddConverter("HttpHeader", typeof(HttpHeaderPatternConverter));
this.AddConverter("HttpMethod", typeof(HttpMethodPatternConverter));
this.AddConverter("UserAgent", typeof(UserAgentPatternConverter));
this.AddConverter("StartTime", typeof(StartTimePatternConverter));
this.AddConverter("EndTime", typeof(EndTimePatternConverter));
this.AddConverter("RunTime", typeof(RunTimePatternConverter));
}
} internal sealed class UserPhonePatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.UserPhone);
}
} internal sealed class IPPatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.IP);
}
} internal sealed class ControllerNamePatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.ControllerName);
}
} internal sealed class ActionNamePatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.ActionName);
}
} internal sealed class ActionParamPatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.ActionParam);
}
} internal sealed class UrlPatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.Url);
}
} internal sealed class HttpHeaderPatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.HttpHeader);
}
} internal sealed class HttpMethodPatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.HttpMethod);
}
} internal sealed class UserAgentPatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.UserAgent);
}
} internal sealed class StartTimePatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.StartTime);
}
} internal sealed class EndTimePatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.EndTime);
}
} internal sealed class RunTimePatternConverter : PatternLayoutConverter
{
override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
AppOpLog logMessage = loggingEvent.MessageObject as AppOpLog; if (logMessage != null)
writer.Write(logMessage.RunTime);
}
}
5、程序启动时读取配置文件，控制台程序在Main方法中添加
//注册 log4net，注意这里的路径为绝对路径
log4net.Config.XmlConfigurator.Configure(
new System.IO.FileInfo(AppDomain.CurrentDomain.BaseDirectory + "\\log4net.config")
);
6、记录日志，定义LogHelper.cs
public class LogHelper
{
public static string LoggerName = "DbLogger"; private static ILog log = LogManager.GetLogger(LoggerName); /// <summary>
/// 记录一般日志
/// </summary>
public static void LogInfo(AppOpLog opLog)
{
if (log.IsInfoEnabled)
{
log.Info(opLog);
}
} /// <summary>
/// 记录错误
/// </summary>
public static void LogError(AppOpLog opLog, Exception ex)
{
if (log.IsErrorEnabled)
{
log.Error(opLog, ex);
}
} /// <summary>
/// 记录严重错误
/// </summary>
public static void LogFatal(AppOpLog opLog, Exception ex)
{
if (log.IsFatalEnabled)
{
log.Fatal(opLog, ex);
}
} /// <summary>
/// 记录警告
/// </summary>
public static void LogWarn(AppOpLog opLog)
{
if (log.IsWarnEnabled)
{
log.Warn(opLog);
}
}
}
7、在程序中调用
static void Main(string[] args)
{
log4net.Config.XmlConfigurator.Configure(
new System.IO.FileInfo(AppDomain.CurrentDomain.BaseDirectory + "\\log4net.config")
); AppOpLog opLog = new AppOpLog();
opLog.IP = "192.124.0.0";
opLog.ActionName = "action";
opLog.ControllerName = "controller";
opLog.ActionParam = "param";
opLog.Url = "url";
opLog.HttpHeader = "header";
opLog.HttpMethod = "get";
opLog.UserAgent = "useragent";
opLog.StartTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
opLog.EndTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
opLog.RunTime = (Convert.ToDateTime(opLog.EndTime) - Convert.ToDateTime(opLog.StartTime)).TotalSeconds.ToString(); LogHelper.LogError(opLog,new Exception("error"));//调用 Console.ReadKey();
}
8、结果
注意：控制台程序调试的时候需要将 log4net.config属性设为始终复制；
附sql脚本
CREATE TABLE [dbo].[AppOpLog](
[IntId] [int] IDENTITY(,) NOT NULL,
[UserCharId] [varchar]() NULL,
[UserPhone] [varchar]() NULL,
[LogTime] [datetime] NOT NULL,
[IP] [varchar]() NOT NULL,
[ControllerName] [varchar]() NOT NULL,
[ActionName] [varchar]() NOT NULL,
[ActionParam] [varchar](max) NOT NULL,
[Url] [varchar](max) NOT NULL,
[HttpHeader] [varchar](max) NULL,
[HttpMethod] [varchar]() NULL,
[UserAgent] [varchar]() NULL,
[StartTime] [datetime] NOT NULL,
[EndTime] [datetime] NOT NULL,
[RunTime] [varchar]() NOT NULL,
[Level] [varchar]() NOT NULL,
[ThreadId] [int] NOT NULL,
[Message] [varchar](max) NULL,
[Exception] [varchar](max) NULL,
[CreateTime] [datetime] NULL
)
AppOpLog.cs
public class AppOpLog
{
public string IP { get; set; }
public string ControllerName { get; set; }
public string ActionName { get; set; }
public string ActionParam { get; set; }
public string Url { get; set; }
public string HttpHeader { get; set; }
public string HttpMethod { get; set; }
public string UserAgent { get; set; }
public string StartTime { get; set; }
public string EndTime { get; set; }
public string RunTime { get; set; }
}
log4net调试：当log4net日志插入失败时，在Web.Config配置文件里添加可以查看错误情况，这里注意对应的目录下要有写文件的权限
<appSettings>
<add key="log4net.Internal.Debug" value="true"/>
</appSettings>
<system.diagnostics>
<trace autoflush="true">
<listeners>
<add
name="textWriterTraceListener"
type="System.Diagnostics.TextWriterTraceListener"
initializeData="C:\log4net.txt" />
</listeners>
</trace>
</system.diagnostics>
测试Demo地址：https://github.com/zhrong92/Log4NetDemo
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