Asp.Net Core NLog 将日志输出到数据库以及添加LayoutRenderer的支持

<?xml version="1.0" encoding="utf-8"?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       autoReload="true"
       internalLogLevel="Trace"
       internalLogFile="internal-nlog.txt">
  <!-- define various log targets -->
   <targets>
    <!-- write logs to file -->
     <target xsi:type="File" name="allfile" fileName="${var:configDir}\nlog-all.log"
             layout="${longdate}|${event-properties:item=EventId.Id}|${logger}|${uppercase:${level}}|${message} ${exception}"/>

    <target xsi:type="File" name="ownFile-web" fileName="${var:configDir}\nlog-own.log"
             layout="${longdate}|${event-properties:item=EventId.Id}|${logger}|${uppercase:${level}}|  ${message} ${exception} " />

    <target xsi:type="Null" name="blackhole" />

   <target name="database" xsi:type="Database">
       <connectionString>${var:connectionString}</connectionString>
       <commandText>
         INSERT INTO [dbo].[System_SqlLog]
         ([SqlLogId]
         ,[CreateUserId]
         ,[CreateUserCode]
         ,[CreateUserName]
         ,[CreateTime]
         ,[OperateSql]
         ,[EndDateTime]
         ,[ElapsedTime]
         ,[Parameter])
         VALUES
         (@SqlLogId
         ,@CreateUserId
         ,@CreateUserCode
         ,@CreateUserName
         ,@CreateTime
         ,@OperateSql
         ,@EndDateTime
         ,@ElapsedTime
         ,@Parameter);
       </commandText>
       <parameter name="@SqlLogId" layout="${event-context:item=SqlLogId}"/>
       <parameter name="@CreateUserId" layout="${event-context:item=CreateUserId}" />
       <parameter name="@CreateUserCode" layout="${event-context:item=CreateUserCode}"/>
       <parameter name="@CreateUserName" layout="${event-context:item=CreateUserName}"/>
       <parameter name="@CreateTime" layout="${event-context:item=CreateTime}"/>
       <parameter name="@OperateSql" layout="${event-context:item=OperateSql}" />
       <parameter name="@EndDateTime" layout="${event-context:item=EndDateTime}" />
       <parameter name="@ElapsedTime" layout="${event-context:item=ElapsedTime}" />
       <parameter name="@Parameter" layout="${event-context:item=Parameter}" />
     </target>
  </targets>
   <rules>
    <!--All logs, including from Microsoft-->
     <logger name="*" minlevel="Trace" writeTo="allfile" />

    <!--Skip Microsoft logs and so log only own logs-->
    <logger name="Microsoft.*" minlevel="Trace" writeTo="blackhole" final="true" />
     <logger name="SqlLogToDatabase" minlevel="Debug" writeTo="database" />
    <logger name="*" minlevel="Trace" writeTo="ownFile-web" />
   </rules>
</nlog>

public virtual void WriteLog() {
            Logger iLog = LogManager.GetCurrentClassLogger();
            if (iLog.IsInfoEnabled) {
                LogEventInfo ei = new LogEventInfo(NLog.LogLevel.Info, "", "");
                ei.Properties["SqlLogId"] = CombUtil.NewComb();
                iLog.Info(ei);
            }
        }