要在Log4net中使用MySQL作为日志存储,需要安装MySQL的连接器(MySQL Connector)和Log4net的MySQL适配器。以下是步骤:
安装MySQL Connector
安装Log4net的MySQL适配器
在项目中添加Log4net的配置文件
<log4net>
<appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender">
<bufferSize value="1" />
<connectionType value="MySql.Data.MySqlClient.MySqlConnection, MySql.Data" />
<connectionString value="server=localhost;user id=root;password=123456;persist security info=True;database=mylogs" />
<commandText value="INSERT INTO Log (Date, Level, Logger, Message) VALUES (@date, @level, @logger, @message)" />
<parameter>
<parameterName value="@date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value="@level" />
<dbType value="String" />
<size value="50" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value="@logger" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@message" />
<dbType value="String" />
<size value="4000" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
</appender>
<root>
<level value="ALL" />
<appender-ref ref="AdoNetAppender" />
</root>
</log4net>
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config", Watch = true)]
public static readonly ILog log = LogManager.GetLogger(typeof(Program));
log.Info("This is an info message");
log.Error("This is an error message", new Exception("An error occurred"));
通过以上步骤,就可以在Log4net中使用MySQL作为日志存储了。需要注意的是,配置文件中的连接字符串、数据库表名和字段名需要根据实际情况进行修改。