无论是Nlog还是Serilog, 它们都提供了如何快速在各类应用程序当中的快速使用方法。
尽管,你现在无论是在WPF或者ASP.NET Core当中, 都可以使用ServiceCollection来做到着一点, 因为日志框架都提供了IServiceCollection的扩展。
但是, 如果现在你使用的是Prism 8.0的应用程序, Prism提供了多种容器的支持, 例如:DryIoc或者Unity, 这个时候我们如果现在这个基础上实现依赖注入,首先我们需要修改Prism当中创建容器的默认实现, 在其中将ServiceCollection追加到容器当中。
本文的示例主要以DryIoc容器为示例:
这里会主要用到几个相关的依赖:
- Microsoft.Extensions.DependencyInjection;
- Microsoft.Extensions.Logging;
- DryIoc.Microsoft.DependencyInjection;
- NLog.Extensions.Logging;
为此, 需要添加一些相关的包,如下所示:
Nlog.Config: 主要配置Nlog的执行配置,规则
NLog.Extensions.Logging: 扩展方法, 用于注册服务
在App.xaml.cs代码,如下所示:
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protected override IContainerExtension CreateContainerExtension() { var serviceCollection = new ServiceCollection(); serviceCollection.AddLogging(configure => { configure.ClearProviders(); configure.SetMinimumLevel(LogLevel.Trace); configure.AddNLog(); }); return new DryIocContainerExtension( new Container(CreateContainerRules()) .WithDependencyInjectionAdapter(serviceCollection)); } |
窗口中,添加测试代码:
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public partial class MainWindow : Window { private readonly Logger<MainWindow> logger; public MainWindow(Logger<MainWindow> logger) { InitializeComponent(); this .logger = logger; } private void Button_Click( object sender, RoutedEventArgs e) { logger.LogDebug( "Hello" ); } } |
注意: 配置Nlog需要修改Nlog.Config配置文件生效,可参考Github文档, 下面为测试配置:
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< 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 = "false" internalLogLevel = "Off" internalLogFile = "c:\temp\nlog-internal.log" > < targets > < target xsi:type = "File" name = "f" fileName = "${basedir}/logs/${shortdate}.log" layout = "${longdate}|${event-properties:item=EventId_Id:whenEmpty=0}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}" /> </ targets > < rules > < logger name = "*" minlevel = "Debug" writeTo = "f" /> </ rules > </ nlog > |
最终输出内容,如下所示:
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2021-08-19 16:32:00.5558|0|DEBUG|wpflogapp.MainWindow|Hello 2021-08-19 16:32:00.7049|0|DEBUG|wpflogapp.MainWindow|Hello 2021-08-19 16:32:00.8828|0|DEBUG|wpflogapp.MainWindow|Hello 2021-08-19 16:32:01.0647|0|DEBUG|wpflogapp.MainWindow|Hello 2021-08-19 16:32:01.2608|0|DEBUG|wpflogapp.MainWindow|Hello |
完整App.xaml.cs文件代码如下:
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public partial class App : PrismApplication { protected override Window CreateShell() { return Container.Resolve<MainWindow>(); } protected override void RegisterTypes(IContainerRegistry containerRegistry) { } protected override IContainerExtension CreateContainerExtension() { var serviceCollection = new ServiceCollection(); serviceCollection.AddLogging(configure => { configure.ClearProviders(); configure.SetMinimumLevel(LogLevel.Trace); configure.AddNLog(); }); return new DryIocContainerExtension( new Container(CreateContainerRules()) .WithDependencyInjectionAdapter(serviceCollection)); } } |
到此这篇关于为WPF框架Prism注册Nlog日志服务的文章就介绍到这了。希望对大家的学习有所帮助,也希望大家多多支持脚本之家。