log4net用法实例

1.引用log4net.dll

2.在AssemblyInfo.cs中添加初始化：

   

    [assembly: log4net.Config.XmlConfigurator(ConfigFile 

    =
     
    "
    log4net.config
    "
    , Watch 
    =
     
    true
    )]
   

3.添加配置文件，内容如下：

   

    <?
    xml version="1.0" encoding="utf-8" 
    ?>
    

    <
    configuration
    >
    
 
    <
    configSections
    >
    
 
    <
    section 
    name
    ="log4net"
     type
    ="log4net.Config.Log4NetConfigurationSectionHandler,log4net"
     
    />
    
 
    </
    configSections
    >
    
 
    <
    log4net
    >
    
 
    <
    root
    >
    
 
    </
    root
    >
    
 
    <
    logger 
    name
    ="OneCardRequest"
    >
    
 
    <
    level 
    value
    ="INFO"
     
    />
    
 
    <
    appender-ref 
    ref
    ="rollingRequestFile"
     
    />
    
 
    </
    logger
    >
    
 
    <
    logger 
    name
    ="OneCardResult"
    >
    
 
    <
    level 
    value
    ="INFO"
     
    />
    
 
    <
    appender-ref 
    ref
    ="rollingResultFile"
     
    />
    
 
    </
    logger
    >
    
 
    <
    logger 
    name
    ="OneCardException"
    >
    
 
    <
    level 
    value
    ="ERROR"
     
    />
    
 
    <
    appender-ref 
    ref
    ="rollingExceptionFile"
     
    />
    
 
    </
    logger
    >
    
 
    <
    logger 
    name
    ="InfoLog"
    >
    
 
    <
    level 
    value
    ="ALL"
     
    />
    
 
    <
    appender-ref 
    ref
    ="rollingInfoFile"
     
    />
    
 
    </
    logger
    >
    
 
    <
    appender 
    name
    ="rollingRequestFile"
     type
    ="log4net.Appender.RollingFileAppender,log4net"
     
    >
    
 
    <
    param 
    name
    ="File"
     type
    =""
     value
    ="Log/Request/"
     
    />
    
 
    <
    param 
    name
    ="AppendToFile"
     value
    ="true"
     
    />
    
 
    <
    param 
    name
    ="RollingStyle"
     value
    ="Date"
     
    />
    
 
    <
    param 
    name
    ="DatePattern"
     value
    ="yyyyMMdd"
     
    />
    
 
    <
    param 
    name
    ="StaticLogFileName"
     value
    ="false"
     
    />
    
 
    <
    layout 
    type
    ="log4net.Layout.PatternLayout,log4net"
    >
    
 
    <
    param 
    name
    ="ConversionPattern"
     value
    ="%n[%d] %c %n%m%n%n"
     
    />
    
 
    <
    param 
    name
    ="Header"
     value
    ="-----------BEGIN-----------"
     
    />
    
 
    <
    param 
    name
    ="Footer"
     value
    ="------------END------------"
     
    />
    
 
    </
    layout
    >
    
 
    </
    appender
    >
    
 
    <
    appender 
    name
    ="rollingResultFile"
     type
    ="log4net.Appender.RollingFileAppender,log4net"
     
    >
    
 
    <
    param 
    name
    ="File"
     type
    =""
     value
    ="Log/Result/"
     
    />
    
 
    <
    param 
    name
    ="AppendToFile"
     value
    ="true"
     
    />
    
 
    <
    param 
    name
    ="RollingStyle"
     value
    ="Date"
     
    />
    
 
    <
    param 
    name
    ="DatePattern"
     value
    ="yyyyMMdd"
     
    />
    
 
    <
    param 
    name
    ="StaticLogFileName"
     value
    ="false"
     
    />
    
 
    <
    layout 
    type
    ="log4net.Layout.PatternLayout,log4net"
    >
    
 
    <
    param 
    name
    ="ConversionPattern"
     value
    ="%n[%d] %c %n%m%n%n"
     
    />
    
 
    <
    param 
    name
    ="Header"
     value
    ="-----------BEGIN-----------"
     
    />
    
 
    <
    param 
    name
    ="Footer"
     value
    ="------------END------------"
     
    />
    
 
    </
    layout
    >
    
 
    </
    appender
    >
    
 
    <
    appender 
    name
    ="rollingExceptionFile"
     type
    ="log4net.Appender.RollingFileAppender,log4net"
     
    >
    
 
    <
    param 
    name
    ="File"
     type
    =""
     value
    ="Log/Exception/"
     
    />
    
 
    <
    param 
    name
    ="AppendToFile"
     value
    ="true"
     
    />
    
 
    <
    param 
    name
    ="RollingStyle"
     value
    ="Date"
     
    />
    
 
    <
    param 
    name
    ="DatePattern"
     value
    ="yyyyMMdd"
     
    />
    
 
    <
    param 
    name
    ="StaticLogFileName"
     value
    ="false"
     
    />
    
 
    <
    layout 
    type
    ="log4net.Layout.PatternLayout,log4net"
    >
    
 
    <
    param 
    name
    ="ConversionPattern"
     value
    ="%n[%d] %c %n%m%n%n"
     
    />
    
 
    <
    param 
    name
    ="Header"
     value
    ="-----------BEGIN-----------"
     
    />
    
 
    <
    param 
    name
    ="Footer"
     value
    ="------------END------------"
     
    />
    
 
    </
    layout
    >
    
 
    </
    appender
    >
    
 
    <
    appender 
    name
    ="rollingInfoFile"
     type
    ="log4net.Appender.RollingFileAppender,log4net"
     
    >
    
 
    <
    param 
    name
    ="File"
     type
    =""
     value
    ="Log/Info/"
     
    />
    
 
    <
    param 
    name
    ="AppendToFile"
     value
    ="true"
     
    />
    
 
    <
    param 
    name
    ="RollingStyle"
     value
    ="Date"
     
    />
    
 
    <
    param 
    name
    ="DatePattern"
     value
    ="yyyyMMdd"
     
    />
    
 
    <
    param 
    name
    ="StaticLogFileName"
     value
    ="false"
     
    />
    
 
    <
    layout 
    type
    ="log4net.Layout.PatternLayout,log4net"
    >
    
 
    <
    param 
    name
    ="ConversionPattern"
     value
    ="%n[%d] %c %n%m%n%n"
     
    />
    
 
    <
    param 
    name
    ="Header"
     value
    ="-----------BEGIN-----------"
     
    />
    
 
    <
    param 
    name
    ="Footer"
     value
    ="------------END------------"
     
    />
    
 
    </
    layout
    >
    
 
    </
    appender
    >
    
 
    </
    log4net
    >
    

    </
    configuration
    >
   

4.添加Log4netHelper类：

   

     
    public
     
    class
     log4netHelper
 {
 
    ///
     
    <summary>
    
 
    ///
     追加一条一卡通处理异常日志信息
 
    ///
     
    </summary>
    
 
    ///
     
    <param name="id">
    请求ID
    </param>
    
 
    ///
     
    <param name="ex">
    异常
    </param>
    
 
    ///
     
    <param name="attachMessage">
    附加信息
    </param>
    

     
    public
     
    static
     
    void
     Exception(
    string
     id, Exception ex, 
    string
     attachMessage)
 {
 log4net.ILog log 
    =
     log4net.LogManager.GetLogger(
    "
    OneCardException
    "
    );
 
    if
     (log.IsErrorEnabled)
 {
 
    string
     strMessage 
    =
     
    string
    .Format(
    "
    RequestID:{0}\r\nMesssage:{1}\r\nStackTrace:{2}\r\nAttachMessage:{3}
    "
    , id, ex.Message, ex.StackTrace, attachMessage);
 log.Error(strMessage);
 }
 log 
    =
     
    null
    ;
 }
 
    ///
     
    <summary>
    
 
    ///
     追加一条一卡通请求日志信息
 
    ///
     
    </summary>
    
 
    ///
     
    <param name="id">
    请求ID
    </param>
    
 
    ///
     
    <param name="ip">
    请求的IP地址
    </param>
    
 
    ///
     
    <param name="datetime">
    时间
    </param>
    
 
    ///
     
    <param name="strParam">
    请求时传入的参数
    </param>
    

     
    public
     
    static
     
    void
     RequestLog(
    string
     id, 
    string
     ip, 
    string
     datetime, 
    string
     strParam)
 {
 log4net.ILog log 
    =
     log4net.LogManager.GetLogger(
    "
    OneCardRequest
    "
    );
 
    if
     (log.IsInfoEnabled)
 {
 
    string
     strMessage 
    =
     
    string
    .Format(
    "
    RequestID:{0}\r\nIP:{1}\r\nDateTime:{2}\r\nParam:{3}
    "
    , id, ip, datetime, strParam);
 log.Info(strMessage);
 }
 log 
    =
     
    null
    ;
 }
 
    ///
     
    <summary>
    
 
    ///
     追加一条一卡通处理结果日志
 
    ///
     
    </summary>
    
 
    ///
     
    <param name="id">
    请求ID
    </param>
    
 
    ///
     
    <param name="datetime">
    时间
    </param>
    
 
    ///
     
    <param name="strResult">
    处理结果
    </param>
    

     
    public
     
    static
     
    void
     ResultLog(
    string
     id, 
    string
     datetime, 
    string
     strResult)
 {
 log4net.ILog log 
    =
     log4net.LogManager.GetLogger(
    "
    OneCardResult
    "
    );
 
    if
     (log.IsInfoEnabled)
 {
 
    string
     strMessage 
    =
     
    string
    .Format(
    "
    RequestID:{0}\r\nDateTime:{1}\r\nParam:{2}
    "
    , id, datetime, strResult);
 log.Info(strMessage);
 }
 log 
    =
     
    null
    ;
 }
 
    ///
     
    <summary>
    
 
    ///
     追加一条普通的日志信息
 
    ///
     
    </summary>
    
 
    ///
     
    <param name="message">
    日志内容
    </param>
    

     
    public
     
    static
     
    void
     Info(
    string
     message)
 {
 log4net.ILog log 
    =
     log4net.LogManager.GetLogger(
    "
    InfoLog
    "
    );
 
    if
     (log.IsInfoEnabled)
 {
 log.Info(message);
 }
 log 
    =
     
    null
    ;
 }
 
 }