DEMOMySql/MicroServices/Business/Business.Host/nlog.config

<?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"
	  throwExceptions="true"
      internalLogLevel="Info"
      internalLogFile="${basedir}/NLog/${date:format=yyyyMM}/Bussiness.txt">
	<extensions>
		<add assembly="NLog.Web.AspNetCore"/>
	</extensions>
	<!-- 定义变量当前应用程序名称 -->
	<variable name="AppName" value="Bussiness" />
	<!-- 日志输出目标 -->
	<targets>
		<!--把日志输出到控制台 -->
		<target xsi:type="Console" name="lifetimeConsole" layout="${level:truncate=4:tolower=true}: ${logger}[0]${newline}      ${message}${exception:format=tostring}" />
		<!-- 把日志记录到文件(通用) -->
		<target xsi:type="File" name="allfile" fileName="${basedir}\..\Log\${date:format=yyyyMM}\${var:AppName}-all-${shortdate}.txt" encoding="UTF-8"
            archiveFileName="${basedir}\..\Log\WMSAPI-all-${shortdate}.{#}.txt" archiveAboveSize="10485760"
            layout="${longdate}|${event-properties:item=EventId_Id:whenEmpty=0}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}" />
		<!--把日志输出到数据库 -->
		<target xsi:type="Database" name="database" dbProvider="MySqlConnector.MySqlConnection, MySqlConnector" connectionString="${configsetting:item=ConnectionStrings.DOPLog}">
			<install-command ignoreFailures="true">
				<text>
					<!-- NOTE: call LogManager.Configuration.Install(new InstallationContext()); to execute this query. -->
					CREATE TABLE IF NOT EXISTS `Sys_Log${date:format=yyyyMM}`  (
					`id` bigint NOT NULL AUTO_INCREMENT,
					`createtime` datetime NOT NULL,
					`appname` varchar(50) NOT NULL,
					`modulename` varchar(50)  NULL,
					`level` varchar(50) NOT NULL,
					`logger` varchar(1024) NULL DEFAULT NULL,
					`msg` text NULL,
					`userid` varchar(50) NULL DEFAULT NULL,
					`url` varchar(1024) NULL DEFAULT NULL,
					`ip` varchar(255) NULL DEFAULT NULL,
					`tenantId` varchar(50) NULL,
					PRIMARY KEY (`id`) USING BTREE
					);
				</text>
			</install-command>
			<commandText>
				INSERT INTO `Sys_Log${date:format=yyyyMM}`(`createtime`, `appname`, `modulename`, `level`, `logger`, `msg`,`userid`, `url`, `ip`,`tenantId`) VALUES (@CreateTime, @AppName,@ModuleName, @Level, @Logger, @Msg, @UserId, @Url, @IP,@TenantId);
			</commandText>
			<parameter name="@CreateTime" layout="${longdate}" />
			<parameter name="@AppName" layout="${var:AppName}" />
			<parameter name="@ModuleName" layout="${event-context:item=ModuleName}" allowDbNull="true"/>
			<parameter name="@Level" layout="${level}" />
			<parameter name="@Logger" layout="${logger}" allowDbNull="true" />
			<parameter name="@Msg" layout="${event-context:item=Msg}" allowDbNull="true" />
			<parameter name="@UserId" layout="${aspnet-user-claim:userId}" allowDbNull="true" />
			<parameter name="@Url" layout="${aspnet-request-url}" allowDbNull="true" />
			<parameter name="@IP" layout="${aspnet-request-ip}" allowDbNull="true" />
            <parameter name="@TenantId" layout="${event-context:item=TenantId}" allowDbNull="true" />
		</target>
	</targets>

	<!-- 日志输出规则 -->
	<rules>
		<!--All logs, including from Microsoft-->
		<!--<logger name="*" minlevel="Trace" writeTo="allfile" />-->

		<!--Output hosting lifetime messages to console target for faster startup detection -->
		<logger name="Microsoft.Hosting.Lifetime" minlevel="Debug" writeTo="allfile,database" final="true" />
		<logger name="Microsoft.EntityFrameworkCore.Model.Validation" maxlevel="Error" writeTo="allfile,database" final="true" />

		<!--Skip non-critical Microsoft logs and so log only own logs (BlackHole) -->
		<logger name="Microsoft.*" maxlevel="Info" final="true" />
		<logger name="System.Net.Http.*" maxlevel="Info" final="true" />

		<logger name="*" minlevel="Trace" writeTo="allfile,database" />
	</rules>
</nlog>