.net log4的详细用法

</configSections>
<log4net>
<!-- Define some output appenders -->
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="test.txt"/> <!-- 这个是日志存放在哪个文件中-->
<appendToFile value="true"/> <!--是否附加文件-->
<maxSizeRollBackups value="10"/> <!--回滚的最大容量条数-->
<maximumFileSize value="1024KB"/><!--当达到了1024k，自动进行备份-->
<rollingStyle value="Size"/>
<staticLogFileName value="true"/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline"/>
</layout>
</appender>
<root>
<level value="DEBUG"/><!--严重级别分:debug,warn,error-->
<appender-ref ref="RollingLogFileAppender"/>
</root>
</log4net>

<system.web>
<compilation debug="false" targetFramework="4.0" />
</system.web>

</configuration>

2、

 class Program
    {
        private static ILog log = LogManager.GetLogger(typeof(Program));

        static void Main(string[] args)
        {
            log4net.Config.XmlConfigurator.Configure();

            log.Debug("开始运行");
            string s = Console.ReadLine();
            log.Debug("用户输入："+s);
            try
            {
                int i = Convert.ToInt32(s);
            }
            catch (Exception ex)
            {
                log.Error("用户输入的数据错误：" + s, ex);
            }

            Console.ReadKey();
            log.Debug("程序退出");
        }