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首先安装如下两个包

Install-Package Serilog.AspNetCore

Install-Package Serilog.Sinks.Elasticsearch

封装使用

/// 
/// 配置日志/// 
/// 建造者/// 
   public static IHostBuilder UseLog(this IHostBuilder hostBuilder){
       var rootPath = AppDomain.CurrentDomain.BaseDirectory;    var path = Path.Combine(rootPath, "logs", "log.txt");    return hostBuilder.UseSerilog((hostingContext, serilogConfig) =>    {
           var envConfig = hostingContext.Configuration;        LogConfig logConfig = new LogConfig();        envConfig.GetSection("log").Bind(logConfig);        logConfig.overrides.ForEach(aOverride =>        {
               serilogConfig.MinimumLevel.Override(aOverride.source, aOverride.minlevel.ToEnum
   
    ());        });        serilogConfig.MinimumLevel.Is(logConfig.minlevel.ToEnum
    
     ());        if (logConfig.console.enabled)            serilogConfig.WriteTo.Console();        if (logConfig.debug.enabled)            serilogConfig.WriteTo.Debug();        if (logConfig.file.enabled)        {
               string template = "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3} {SourceContext:l}] {Message:lj}{NewLine}{Exception}";            serilogConfig.WriteTo.File(                path,                outputTemplate: template,                rollingInterval: RollingInterval.Day,                shared: true,                fileSizeLimitBytes: 10 * 1024 * 1024,                rollOnFileSizeLimit: true                );        }        if (logConfig.elasticsearch.enabled)        {
               var uris = logConfig.elasticsearch.nodes.Select(x => new Uri(x)).ToList();            serilogConfig.WriteTo.Elasticsearch(new ElasticsearchSinkOptions(uris)            {
                   IndexFormat = logConfig.elasticsearch.indexformat,                AutoRegisterTemplate = true,                AutoRegisterTemplateVersion = AutoRegisterTemplateVersion.ESv7            });        }    });}
    
   

public class Program{
       public static void Main(string[] args)    {
           CreateHostBuilder(args).Build().Run();    }    public static IHostBuilder CreateHostBuilder(string[] args) =>        Host.CreateDefaultBuilder(args)            .UseIdHelper()//分布式自增Id组件            .UseLog()//使用serilog日志框架            .ConfigureWebHostDefaults(webBuilder =>            {
                   webBuilder.UseStartup
   
    ();            });}
   

using System;using System.Collections.Generic;using System.Linq;using System.Threading.Tasks;using Microsoft.AspNetCore.Mvc;using Microsoft.Extensions.Logging;namespace CORE.WEBERP.Controllers{
       [ApiController]    [Route("[controller]")]    public class WeatherForecastController : ControllerBase    {
           private static readonly string[] Summaries = new[]        {
               "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"        };        private readonly ILogger
   
     _logger;        public WeatherForecastController(ILogger
    
      logger)        {
               _logger = logger;        }        [HttpGet]        public IEnumerable
     
       Get()        {
               _logger.LogInformation("开始");            int a = 0;            int b = 2;            try            {
                   _logger.LogDebug("计算两者相除");                Console.WriteLine(b / a);            }            catch (Exception ex)            {
                   _logger.LogError(ex, "计算出现意外的错误");            }            _logger.LogInformation("结束");            var rng = new Random();            return Enumerable.Range(1, 5).Select(index => new WeatherForecast            {
                   Date = DateTime.Now.AddDays(index),                TemperatureC = rng.Next(-20, 55),                Summary = Summaries[rng.Next(Summaries.Length)]            })            .ToArray();        }    }}
     
    
   

备注：其他函数请移到类库中去查看，本人博客里都有。

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