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.net core 杂记:日记记录

时间:2019-04-25 00:35:56      阅读:187      评论:0      收藏:0      [点我收藏+]

ASP.NET Core 有内置的log组件,遗憾的是看了微软官方文档,貌似无法直接将日志存于文件或数据库,只能由自己实现或引用第三方日志组件。

以下为Nlog和log4net的使用记录

Nlog使用

  •  搜索添加Nuget包

Nlog
Nlog.Web.AspNetCore
  • 新建一个xml文件,并改名为nlog.config

XML内容如下(可配置日志目录名称、输出格式):

<?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="internal-nlog.txt">

  <!--define various log targets-->
  <targets>
<!--write logs to file--> <target xsi:type="File" name="allfile" fileName="Logs/service-${shortdate}.log" layout="${longdate}|${logger}|${uppercase:${level}}|${message} ${exception}" />
</targets>
<rules> <!--All logs, including from Microsoft--> <logger name="*" minlevel="Trace" writeTo="allfile" /> </rules> </nlog>
  •  将nlog.config设置输出到目录

  • 在Startup类中配置

需要引入命名空间:

using NLog.Extensions.Logging;

using NLog.Web;

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactor)
{
    //使用Nlog
    loggerFactor.AddNLog();
    //引入配置文件
    env.ConfigureNLog("nlog.config");
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    else
    {
        app.UseExceptionHandler("/Error");
    }
    app.UseStaticFiles();
    app.UseCookiePolicy();

    app.UseMvc();
}
  • 代码中的使用

有两中方式如下:

1、注入形式

public class IndexModel : PageModel
{
    private ILogger<IndexModel> _logger;
    public IndexModel(ILogger<IndexModel> logger)
    {
        _logger = logger;
    }
    public string Customer { get; set; }
    public void OnGet()
    {
        _logger.LogWarning("111111111111111111111");
        Customer = "123456";
    }
}

2、获取实例形式

private static Logger Logger = LogManager.GetCurrentClassLogger();
public static void Main(string[] args)
{
    Logger.Error("22222222222222222222222222222");
    Logger.Info("333333333333333333333333333333");
}

 log4net

 log4net已支持net core,来看下在net core下是如何配置的,与之前的版本还是有一点的区别

  • 使用惯例,引用Nuget

log4net
  • 新建配置文件

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <!-- This section contains the log4net configuration settings -->
  <log4net>
    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
      <layout type="log4net.Layout.PatternLayout" value="%date [%thread] %-5level %logger - %message%newline" />
    </appender>

    <appender name="FileAppender" type="log4net.Appender.FileAppender">
      <file value="log-file.log" />
      <appendToFile value="true" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
      </layout>
    </appender>

    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
      <file value="logs/" /> 
      <appendToFile value="true" />
      <rollingStyle value="Date" />
      <staticLogFileName value="false" />
      <datePattern value="yyyy-MM-dd‘.log‘" />
      <maxSizeRollBackups value="7" />
      <maximumFileSize value="1MB" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
      </layout>
    </appender>

    <!-- Setup the root category, add the appenders and set the default level -->
    <root>
      <level value="ALL" />
      <appender-ref ref="ConsoleAppender" />
      <appender-ref ref="FileAppender" />
      <appender-ref ref="RollingLogFileAppender" />
    </root>

  </log4net>
</configuration>

配置文件的相关说明,可以查看另一篇文章  点我跳转

  • 在StartUp.cs中配置log4Net

public static ILoggerRepository repository { get; set; }
public Startup(IConfiguration configuration) { Configuration = configuration; //log4net repository = LogManager.CreateRepository("NETCoreRepository"); //指定配置文件 XmlConfigurator.Configure(repository, new FileInfo("log4net.config")); }

 

  •  Controller中的使用

private ILog log = LogManager.GetLogger(Startup.repository.Name, typeof(ValuesController));

[HttpGet]
public ActionResult<IEnumerable<string>> Get()
{
    log.Info(1111111111111111111);
    return new string[] { "value1", "value2" };
}

 

  • 控制台中的使用

ILoggerRepository repository = LogManager.CreateRepository("NETCoreRepository");
XmlConfigurator.Configure(repository,
new FileInfo("log4net.config"));
ILog log
= LogManager.GetLogger(repository.Name,"NETCorelog4net"); log.Info("test log");

 

.net core 杂记:日记记录

原文:https://www.cnblogs.com/qiuguochao/p/10765614.html

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