<!--日誌配置-->
  <log4net>
    <logger name="error">
      <level value="ERROR" />
      <appender-ref ref="ErrorAppender" />
    </logger>
    <logger name="info">
      <level value="INFO" />
      <appender-ref ref="InfoAppender" />
    </logger>
    <appender name="ErrorAppender" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="Log\_log.error" />
      <param name="AppendToFile" value="true" />
      <param name="MaxSizeRollBackups" value="100" />
      <param name="MaxFileSize" value="1048576" />      
      <param name="RollingStyle" value="Size" />
      <layout type="log4net.Layout.PatternLayout">
        <param name="ConversionPattern" value="%n異常時間：%d %n 異常內容：%m%n%n" />
      </layout>      
    </appender>
    <appender name="InfoAppender" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="Log\" />
      <param name="AppendToFile" value="true" />      
      <param name="MaxSizeRollBackups" value="100" />
      <param name="StaticLogFileName" value="false" />
      <param name="DatePattern" value="yyyyMMdd&quot;.info&quot;" />
      <param name="RollingStyle" value="Date" />
      <layout type="log4net.Layout.PatternLayout">
        <param name="ConversionPattern" value="日誌時間：%d %n 日誌內容：%m%n%n" />
      </layout>
    </appender>           

  </log4net>

 public static class Log
    {
        public static void Error(string info,Exception ex)
        {
            log4net.ILog log = log4net.LogManager.GetLogger("error");
            log.Error(info, ex);
        }


        public static void Info(string info)
        {
            log4net.ILog log = log4net.LogManager.GetLogger("info");
            log.Info(info);
        }
    }