C# Nlog 不使用配置文件 实现多设备log文件存储

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NLog
{
     static public class CanNLogHelper
    {
        static Dictionary<string, Config.LoggingConfiguration> kvLoger = new Dictionary<string, Config.LoggingConfiguration>();

        //static public void InitCanDevLogListener(int num)
        //{
        //    for (int i = 0; i < num; i++)
        //    {
        //        string canDev = $"0{i}5";
        //        if (!kvLoger.ContainsKey(canDev))
        //        {
        //            kvLoger.Add(canDev, LogConfig(canDev));
        //        }

        //    }
        //}

        static public void AddCanDevLogListener(List<string> name)
        {
            foreach (var item in name)
            {
                if (!kvLoger.ContainsKey(item))
                {
                    kvLoger.Add(item, LogConfig(item));
                }
            }
        }

        static public Logger GetCanLogger(string name)
        {
            if(!kvLoger.ContainsKey(name))
            {
                kvLoger.Add(name, LogConfig(name));
            }
            LogManager.Configuration = kvLoger[name];
            return LogManager.GetLogger(name);
        }

        static public void SetBoardCastLog(string info)
        {
            foreach (KeyValuePair<string, Config.LoggingConfiguration> item in kvLoger)
            {
                GetCanLogger(item.Key).Info(info);
            }
        }

        static public Config.LoggingConfiguration LogConfig(string name)
        {
            //创建一个配置文件对象
            Config.LoggingConfiguration config = new Config.LoggingConfiguration();
            //创建目标
            Targets.FileTarget target = new Targets.FileTarget() { FileName = $"logs/CanLog/{name}.log", Layout = "${longdate} ${uppercase:${level}} ${message}" };
            //添加日志路由规则
            config.AddRule(LogLevel.Trace, LogLevel.Off, target);
            
            return config;
        }

    }
}

调用案例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NLog
{
    //Install-Package NLog -Version 4.5.11
    internal class Program
    {

        static void Main(string[] args)
        {
           // CanNLogHelper.InitCanDevLogListener(20);

            Dictionary<string, string> dic = new Dictionary<string, string>()
            {
                {"01","111" },
                {"02","222" },
                {"03","333" },
                {"04","444" },
            };

            CanNLogHelper.AddCanDevLogListener(new List<string> { dic["01"], dic["02"], dic["03"], dic["04"] });
            CanNLogHelper.SetBoardCastLog("999");
            CanNLogHelper.GetCanLogger(dic["01"]).Info("111");

            CanNLogHelper.GetCanLogger(dic["03"]).Info("aaa");

            CanNLogHelper.GetCanLogger(dic["02"]).Info("111");

            CanNLogHelper.GetCanLogger(dic["04"]).Info("111");

            CanNLogHelper.GetCanLogger(dic["03"]).Info("333");

            CanNLogHelper.GetCanLogger(dic["02"]).Info("333");

            CanNLogHelper.SetBoardCastLog("888");
        }


    }
}