asp.net核心 – 在ASP.NET核心应用程序中使用NLog
我发现一个
CodeProject的例子,如何让这个工作,但它不工作。主要的问题似乎是Nuget中似乎不存在“Microsoft.Framework.Logging.NLog”:“1.0.0- *”包。我看过
this StackOverflow question,看了它引用的GitHub示例,但它似乎包含相同的问题。
我试图让我自己工作,我想出来的最好的是: public class NLogLogger : ILogger { public NLogLogger() { new WebLoggerConfigurer().ConfigureDefault(); } public void Log(LogLevel logLevel,int eventId,object state,Exception exception,Func<object,Exception,string> formatter) { // currently need the global:: for LogLevels because our namespace contains NLog in it. Is there a better naming convention we could use instead? var ll = logLevel == LogLevel.Debug ? global::NLog.LogLevel.Debug : logLevel == LogLevel.Verbose ? global::NLog.LogLevel.Trace : logLevel == LogLevel.Critical ? global::NLog.LogLevel.Fatal : logLevel == LogLevel.Error ? global::NLog.LogLevel.Error : logLevel == LogLevel.Information ? global::NLog.LogLevel.Info : logLevel == LogLevel.Warning ? global::NLog.LogLevel.Warn : global::NLog.LogLevel.Off; LogManager.GetCurrentClassLogger().Log(ll,formatter(state,exception)); } public bool IsEnabled(LogLevel logLevel) { return true; } public IDisposable BeginScopeImpl(object state) { return new Disposable(() => { }); } } public class NLogLoggerProvider : ILoggerProvider { public void Dispose() { } public ILogger CreateLogger(string categoryName) { return new NLogLogger(); } } public void Configure(IApplicationBuilder app,IHostingEnvironment env,ILoggerFactory loggerFactory) { loggerFactory.AddProvider(new NLogLoggerProvider()); .. } BeginScopeImpl的实现似乎是一个黑客,但我不确定如何最好地实现它。 >这看起来像一个有效的实现选项吗? 解决方法
Microsoft.Framework.Logging.NLog已被替换为
NLog.Extensions.Logging on NuGet,由NLog团队维护。
对于ASP.NET Core,您需要NLog.Web.AspNetCore(依赖于 如何使用: public void Configure(IApplicationBuilder app,ILoggerFactory loggerFactory) { //add NLog to .NET Core loggerFactory.AddNLog(); //Enable ASP.NET Core features (NLog.web) - only needed for ASP.NET Core users app.AddNLogWeb(); //needed for non-NETSTANDARD platforms: configure nlog.config in your project root. NB: you need NLog.Web.AspNetCore package for this. env.ConfigureNLog("nlog.config"); ... //you could use LogManager.Configuration from here public void ConfigureServices(IServiceCollection services) { // Add framework services. // e.g. services.AddMvc(); //needed for NLog.Web services.AddSingleton<IHttpContextAccessor,HttpContextAccessor>(); } 示例如何配置,日志和过滤器,另请参见README.md in GitHub。 public class HomeController : Controller { protected ILogger Logger { get; } public HomeController(ILoggerFactory loggerFactory,IServiceProvider serviceProvider) { Logger = loggerFactory.CreateLogger(GetType().Namespace); Logger.LogInformation("created homeController"); } 配置: <?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="c:tempinternal.txt"> <extensions> <!--enable NLog.Web for ASP.NET Core--> <add assembly="NLog.Web.AspNetCore"/> </extensions> <!-- define various log targets --> <targets> <!-- write logs to file --> <target xsi:type="File" name="allfile" fileName="c:tempnlog-all-${shortdate}.log" layout="${longdate}|${logger}|${uppercase:${level}}|${message} ${exception}" /> <target xsi:type="File" name="ownFile" fileName="c:tempnlog-own-${shortdate}.log" layout="${longdate}|${logger}|${uppercase:${level}}|${message} ${exception}" /> <target xsi:type="Null" name="blackhole" /> </targets> <rules> <!--All logs,including from Microsoft--> <logger name="*" minlevel="Trace" writeTo="allfile" /> <!--Skip Microsoft logs and so log only own logs--> <logger name="Microsoft.*" minlevel="Trace" writeTo="blackhole" final="true" /> <logger name="*" minlevel="Trace" writeTo="ownFile" /> </rules> </nlog> “nlog-own-2016-02-14.log”包含:
干杯, 朱利安(NLog) 编辑:更新为NLog.Web.AspNetCore 4.3 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
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