xBIM 日志操作

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
  </configSections>
  <log4net>
    <!-- 定义默认日志操作 -->
    <root>
      <appender-ref ref="console" />
      <!-- 设置日志等级 ALL DEBUG INFO WARN ERROR FATAL NONE -->
      <level value="ALL" />
    </root>
    <appender name="console" type="log4net.Appender.ColoredConsoleAppender">
      <mapping>
        <level value="FATAL" />
        <foreColor value="White" />
        <backColor value="Red" />
      </mapping>
      <mapping>
        <level value="ERROR" />
        <foreColor value="Red, HighIntensity" />
      </mapping>
      <mapping>
        <level value="WARN" />
        <foreColor value="Green, HighIntensity" />
      </mapping>
      <mapping>
        <level value="INFO" />
        <foreColor value="Blue, HighIntensity" />
      </mapping>
      <mapping>
        <level value="DEBUG" />
        <foreColor value="White" />
      </mapping>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%-5level - %message  [%logger %type.%method Line %line]%newline" />
      </layout>
    </appender>
  </log4net>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
  </startup>
</configuration>

using Xbim.Common.Logging;

var log = LoggerFactory.GetLogger(); 

log.Info("Examples are just about to start.");
log.Warn("Always use LINQ instead of general iterations!");
log.Error("This is how the error would be logged with log4net.");
log.Info("All examples finished.");