多个程序使用同一个 log4net 配置,
AssemblyInfo.cs文件加上:
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config", ConfigFileExtension = "config", Watch = true)]
初始化log4net:
log4net.GlobalContext.Properties["program"] = "#your program name#";
log4net.Config.XmlConfigurator.Configure();
调用
protected static readonly ILog SystemLogger = LogManager.GetLogger("SystemLog");
protected static readonly ILog TransferLogger = LogManager.GetLogger("TransferLog");
配置文件 log4net.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
</configSections>
<!--log4net config-->
<log4net>
<appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">
<file value=".\Logs\" /> <!--日志路径-->
<rollingStyle value="Date" /><!--日志滚动模式-->
<datePattern value="_yyyy-MM-dd".log"" /> <!--日志文件名格式-->
<staticLogFileName value="false" /> <!--日志文件名是否固定不变的-->
<appendToFile value="true" /> <!--是否向文件中追加日志-->
<maximumFileSize value="64MB" /> <!--日志文件最大大小-->
<maxSizeRollBackups value="10" /> <!--日志保留天数-->
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="[%date{HH:mm:ss,fff}][%-5level][%thread][%logger] - %message%newline" /><!--输出格式-->
</layout>
</appender>
<appender name="SystemRollingFileAppender" type="log4net.Appender.RollingFileAppender">
<file type="log4net.Util.PatternString" value=".\Logs\%property{program}\system"/><!--日志路径-->
<rollingStyle value="Date" /><!--日志滚动模式-->
<datePattern value="_yyyy-MM-dd".log"" /><!--日志文件名格式-->
<staticLogFileName value="false" /> <!--日志文件名是否固定不变的-->
<appendToFile value="true" /><!--是否向文件中追加日志-->
<maximumFileSize value="64MB" /><!--日志文件最大大小-->
<maxSizeRollBackups value="10" /><!--日志保留天数-->
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="[%date{HH:mm:ss,fff}][%-5level][%M]- %message%newline" /><!--输出格式-->
</layout>
<filter type="log4net.Filter.LoggerMatchFilter">
<loggerToMatch value="SystemLog" /><!--过滤器-->
</filter>
<filter type="log4net.Filter.DenyAllFilter" />
</appender>
<appender name="TransferRollingFileAppender" type="log4net.Appender.RollingFileAppender">
<file type="log4net.Util.PatternString" value=".\Logs\%property{program}\transfer"/><!--日志路径-->
<rollingStyle value="Date" /><!--日志滚动模式-->
<datePattern value="_yyyy-MM-dd".log"" /><!--日志文件名格式-->
<staticLogFileName value="false" /><!--日志文件名是否固定不变的-->
<appendToFile value="true" /><!--是否向文件中追加日志-->
<maximumFileSize value="64MB" /><!--日志文件最大大小-->
<maxSizeRollBackups value="10" /><!--日志保留天数-->
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="[%date{HH:mm:ss,fff}][%-5level][%M]- %message%newline" /><!--输出格式-->
</layout>
<filter type="log4net.Filter.LoggerMatchFilter">
<loggerToMatch value="TransferLog" /><!--过滤器-->
</filter>
<filter type="log4net.Filter.DenyAllFilter" />
</appender>
<appender name="TraceAppender" type="log4net.Appender.TraceAppender">
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="[%date] [%level] [%thread] - %message%newline" />
</layout>
</appender>
<appender name="ColoredConsoleAppender" type="log4net.Appender.ColoredConsoleAppender">
<mapping>
<level value="DEBUG" />
<backColor value="Green" />
</mapping>
<mapping>
<level value="INFO" />
<backColor value="Yellow" />
</mapping>
<mapping>
<level value="ERROR" />
<foreColor value="White" />
<backColor value="Red,HighIntensity" />
</mapping>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="[%date][%-5level][%thread][%logger]- %message%newline" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<param name="LevelMin" value="Debug" />
<param name="LevelMax" value="Fatal" />
</filter>
</appender>
<root>
<level value="ALL" />
<appender-ref ref="ColoredConsoleAppender" />
<!-- <appender-ref ref="RollingFileAppender" /> -->
<appender-ref ref="SystemRollingFileAppender" />
<appender-ref ref="TransferRollingFileAppender" />
</root>
</log4net>
</configuration>
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原文链接：https://blog.csdn.net/egoily/article/details/90438736