add log to samples

samples/Sample.Kafka.MySql/Program.cs

 using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
+using NLog.Web;
 
 namespace Sample.Kafka.MySql
 {
@@ -14,7 +15,11 @@ namespace Sample.Kafka.MySql
         public static IWebHost BuildWebHost(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
                 .UseStartup<Startup>()
+                .ConfigureLogging((hostingContext, builder) =>
+                {
+                    hostingContext.HostingEnvironment.ConfigureNLog("nlog.config");
+                })
+                .UseNLog()
                 .Build();
-
     }
 }
\ No newline at end of file

samples/Sample.Kafka.MySql/Sample.Kafka.MySql.csproj

@@ -10,6 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.6" />
     <PackageReference Include="MySqlConnector" Version="0.38.0" />
+    <PackageReference Include="NLog.Web.AspNetCore" Version="4.5.2" />
     <PackageReference Include="zipkin4net" Version="1.2.0" />
   </ItemGroup>
   <ItemGroup>
@@ -20,5 +21,10 @@
     <ProjectReference Include="..\..\src\DotNetCore.CAP.MySql\DotNetCore.CAP.MySql.csproj" />
     <ProjectReference Include="..\..\src\DotNetCore.CAP\DotNetCore.CAP.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Update="nlog.config">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
 
 </Project>

samples/Sample.Kafka.MySql/Startup.cs

-using System;
-using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Sample.Kafka.MySql

samples/Sample.Kafka.MySql/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"
+      internalLogLevel="Warn"
+      internalLogFile="logs/internal-nlog.txt">
+
+  <variable name="myLogLayout"
+            value="---------------------------------------------------------------------------${newline}日期：${longdate}    级别：${uppercase:${level}}    用户：${aspnet-user-identity}(${aspnet-request-ip})    记录器：${logger}  ${newline}URL：${aspnet-request-method} ${aspnet-request-url:IncludePort=true:IncludeQueryString=true} ${newline}Action：${aspnet-mvc-action} ${newline}Message：${message} ${newline}${onexception:Exception：${exception:format=toString}}" />
+  <extensions>
+    <add assembly="NLog.Web.AspNetCore" />
+  </extensions>
+
+  <!-- define various log targets -->
+  <targets>
+    <!-- write logs to file -->
+    <target name="allfile" xsi:type="File" fileName="logs/cap-all-${shortdate}.log"
+            layout="${myLogLayout}" />
+  </targets>
+
+  <rules>
+    <!--All logs, including from Microsoft-->
+    <logger name="*" minlevel="Debug" writeTo="allfile" /> 
+  </rules>
+</nlog>
\ No newline at end of file