.NET Core+NLog+存儲配置 日誌存入到數據庫

nlog-config.xml 配置文件：

<?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="false" internalLogLevel="info" internalLogFile="Logs/SysNlog.log">

  <extensions>
    <add assembly="NLog.Web.AspNetCore"/>
  </extensions>

  <targets>
    <target name="db" xsi:type="Database" connectionString="${var:NLOG_CONNECTION_STRING}" commandType="StoredProcedure" commandText="[dbo].[SP_InsertLog]">
      <parameter name="@traceId" layout="${aspnet-TraceIdentifier}" />
      <parameter name="@eventId" layout="${event-properties:EventId}" />
      <parameter name="@user" layout="${aspnet-user-identity}" />
      <parameter name="@application" layout="APP_WEB" />
      <parameter name="@level" layout="${level}" />
      <parameter name="@category" layout="${logger}" />
      <parameter name="@message" layout="${message}" />
      <parameter name="@properties" layout="${all-event-properties:separator=|}" />
      <parameter name="@exception" layout="${exception:tostring}" />
      <parameter name="@clientIP" layout="${aspnet-request-ip}" />
      <parameter name="@addTime" layout="${date:universalTime=True}" />
    </target>
  </targets>

  <rules>
    <logger name="*" minlevel="Trace" writeTo="db" />
  </rules>
</nlog>

 appsettings.json配置

{ "ConnectionStrings": { "testDatabase": "Data Source=(local); Initial Catalog=TestDB; User Id=sa; Password=Sa; MultipleActiveResultSets=True;", "LogDatabase": "Data Source=(local); Initial Catalog=TestDB_Log; User Id=sa; Password=Sa; MultipleActiveResultSets=True;" }, "Encoding": "GBK", "Logging": { "IncludeScopes": false, "LogLevel": { "Microsoft.AspNetCore.Mvc": "Warning", "Microsoft.EntityFrameworkCore": "Warning", "Default": "Information" } } }

 STARTUP.CS

        // NLog 數據庫配置
            NLog.LogManager.Configuration.FindTargetByName<DatabaseTarget>("db").ConnectionString = Configuration.GetConnectionString("LogDatabase"); 

 存儲：

create procedure [dbo].[SP_InsertLog]( @traceId nvarchar(32), @eventId int, @user nvarchar(450), @application nvarchar(450), @level nvarchar(8), @category nvarchar(450), @message nvarchar(max), @properties nvarchar(max), @exception nvarchar(max), @clientIP nvarchar(450), @addTime datetime ) as
begin
    insert into dbo.[LogTable]([TraceId],[EventId], [User], [Application], [Level], [Category], [Message], [Properties], [Exception], [ClientIP], [AddTime]) values(@traceId, @eventId, @user, @application, @level, @category, @message, @properties, @exception, @clientIP, @addTime); end

 Program.cs

 

 public class Program { public static void Main(string[] args) { var logger = NLogBuilder.ConfigureNLog("Log/nlog-config.xml").GetCurrentClassLogger(); try { CreateWebHostBuilder(args).Build().Run(); } catch (Exception ex) { logger.Error(ex, "異常信息"); throw; } finally { NLog.LogManager.Shutdown(); } } public static IWebHostBuilder CreateWebHostBuilder(string[] args) => WebHost.CreateDefaultBuilder(args) .UseStartup<Startup>() .UseNLog(); }