前提:nuget引入log4net包
1. Framework框架下
- 全局啓動項處添加(推薦),也可在使用時單獨添加
log4net.Config.XmlConfigurator.Configure();
- web.config配置
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<log4net>
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="\logs\xxxx.log" />
<rollingStyle value="Date" />
<datePattern value="yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
</appender>
<root>
<level value="Info" />
<appender-ref ref="RollingLogFileAppender" />
</root>
</log4net>
</configuration>
- 使用
public class Program
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
static void Main(string[] args)
{
log.Info($"開始:{DateTime.Now}");
}
}
2. NetCore框架下
Startup.cs
類
/// <summary>
/// log4net Repository
/// </summary>
public static ILoggerRepository loggerRepository { get; set; }
public Startup(IHostingEnvironment env, IConfiguration configuration)
{
// 日誌配置
loggerRepository = LogManager.CreateRepository("NETCoreRepository");
XmlConfigurator.Configure(loggerRepository, new FileInfo("log4net.config"));
}
- 添加 log4net.config 文件(該文件可隨意添加,或使用項目中已有的也可以)
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<!--申明自定義配置節-->
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
</configSections>
<!--log4net具體配置-->
<log4net>
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<File value="Log/xxx.log"/>
<AppendToFile value="true"/>
<RollingStyle value="Date"/>
<StaticLogFileName value="false"/>
<DatePattern value="yyyyMMdd'.txt'"/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="記錄時間:%date 日誌級別:%-5level 類:%logger - 信息描述:%message%newline"/>
</layout>
</appender>
<root>
<level value="Info"/>
<appender-ref ref="RollingLogFileAppender"/>
</root>
</log4net>
</configuration>
- 使用
private readonly ILog log = LogManager.GetLogger(Startup.loggerRepository.Name, typeof(當前類));
END |