logback.xml怎么写
时间: 2023-09-04 17:16:27 浏览: 136
logback.xml是一个日志配置文件,用于配置Logback日志框架。您可以按照以下步骤编写logback.xml文件:
1. 定义日志输出格式和文件路径:
```xml
<configuration>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>/path/to/log/file.log</file>
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="FILE" />
</root>
</configuration>
```
2. 配置日志级别:
```xml
<configuration>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>/path/to/log/file.log</file>
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="FILE" />
</root>
</configuration>
```
3. 配置日志滚动策略:
```xml
<configuration>
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>/path/to/log/file.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>/path/to/log/file.%d{yyyy-MM-dd}.log.zip</fileNamePattern>
<maxHistory>30</maxHistory>
</rollingPolicy>
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="FILE" />
</root>
</configuration>
```
4. 配置日志异步输出:
```xml
<configuration>
<appender name="ASYNC" class="ch.qos.logback.classic.AsyncAppender">
<appender-ref ref="FILE" />
</appender>
<root level="INFO">
<appender-ref ref="ASYNC" />
</root>
</configuration>
```
以上仅是logback.xml的基本配置,您可以根据需要进行更多的配置。
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