日志

NLogStudy.WebCore2.Study/Controllers/ValuesController.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
 
 namespace NLogStudy.WebCore2.Study.Controllers
 {
@@ -10,10 +11,16 @@ namespace NLogStudy.WebCore2.Study.Controllers
     [ApiController]
     public class ValuesController : ControllerBase
     {
+        private readonly ILogger logger;
+        public ValuesController(ILogger<ValuesController> logger)
+        {
+            this.logger = logger;
+        }
         // GET api/values
         [HttpGet]
         public ActionResult<IEnumerable<string>> Get()
         {
+            logger.LogError("我是测试错误");
             return new string[] { "value1", "value2" };
         }
 

NLogStudy.WebCore2.Study/NLogStudy.WebCore2.Study.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.2</TargetFramework>
@@ -8,6 +8,9 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
+    <PackageReference Include="NLog" Version="4.6.7" />
+    <PackageReference Include="NLog.Extensions.Logging" Version="1.6.1" />
+    <PackageReference Include="NLog.Web.AspNetCore" Version="4.9.0" />
   </ItemGroup>
 
 </Project>

NLogStudy.WebCore2.Study/Program.cs

@@ -8,6 +8,8 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 
+using NLog.Web;
+
 namespace NLogStudy.WebCore2.Study
 {
     public class Program
@@ -19,6 +21,13 @@ namespace NLogStudy.WebCore2.Study
 
         public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
-                .UseStartup<Startup>();
+                .UseStartup<Startup>()
+                .ConfigureLogging((hostBuild,logBuild)=> {
+                    //清除自带的Providers
+                    logBuild.ClearProviders();
+                    //默认最小级别
+                    logBuild.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Debug);
+                })
+                .UseNLog();
     }
 }

NLogStudy.WebCore2.Study/nlog.config

@@ -0,0 +1,41 @@
+<?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"
+      xsi:schemaLocation="http://www.nlog-project.org/schemas/NLog.xsd NLog.xsd"
+      autoReload="true"
+      throwExceptions="true"
+      throwConfigExceptions="true"
+      internalLogLevel="Info"
+      internalLogFile="${basedir}\logs\internal-nlog.txt"
+>
+  <!--引入Nlog扩展包-->
+  <extensions>
+    <add assembly="NLog.Web.AspNetCore"/>
+  </extensions>
+
+  <!--自定义变量-->
+  <variable name="myvariable" value="test" />
+  
+  <!--设置目标-->
+  <targets>
+    <!--默认彩色控制台-->
+    <target xsi:type="ColoredConsole" name="DefaultColoredConsole"/>
+    
+    <!--写入日志文件-->
+    <target xsi:type="File" 
+            name="allfile" 
+            fileName="${basedir}\logs\nlog-all-${shortdate}.log"
+            layout="${longdate}|${event-properties:item=EventId_Id}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}" />
+
+    <!-- 写入文件：使用asp.net core -->
+    <target xsi:type="File" 
+            name="ownFile-web" 
+            fileName="${basedir}\logs\nlog-own-${shortdate}.log"
+            layout="${longdate}|${event-properties:item=EventId_Id}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}|url: ${aspnet-request-url}|action: ${aspnet-mvc-action}" />
+  </targets>
+
+  <!--设置规则-->
+  <rules>
+    <logger ruleName="*" minlevel="Trace" writeTo="DefaultColoredConsole" />
+  </rules>
+</nlog>

Study.md

@@ -1 +1,7 @@
-# Nlogѧϰ
+# Nlog学习
+## 一、配置文件智能提示
+方法-：
+> 引入Nuget包:NLog.config 和 NLog.Schema
+方法二：
+> 下载提示文件 https://nlog-project.org/schemas/NLog.xsd,放入解决方案根目录
+> nlog.config文件 nlog根节点加入 xsi:schemaLocation="http://www.nlog-project.org/schemas/NLog.xsd NLog.xsd" 属性