1.Layout的简介
In case you were wondering, layouts have nothing to do with large estates in Florida. Layouts are logback components responsible for transforming an incoming event into a String.
2.日志格式怎么读
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
- %d表示日志每行的时间格式
- %thread表示线程数,
- %5level 当前日志的级别
- %logger{36} 表示日志框架完整类名显示
- %msg表示关联日志
- %n表示分隔符换行符。
2.1 详细配置
这个定义了每个符号代表的意
详情点此
2.2 设置日志每个部分的color
Grouping by parentheses as explained above allows coloring of sub-patterns. As of version 1.0.5, PatternLayout recognizes “%black”, “%red”, “%green”,”%yellow”,”%blue”, “%magenta”,”%cyan”, “%white”, “%gray”, “%boldRed”,”%boldGreen”, “%boldYellow”, “%boldBlue”, “%boldMagenta”“%boldCyan”, “%boldWhite” and “%highlight” as conversion words.
<configuration debug="true">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<!-- On Windows machines setting withJansi to true enables ANSI
color code interpretation by the Jansi library. This requires
org.fusesource.jansi:jansi:1.8 on the class path. Note that
Unix-based operating systems such as Linux and Mac OS X
support ANSI color codes by default. -->
<withJansi>true</withJansi>
<encoder>
<pattern>[%thread] %highlight(%-5level) %cyan(%logger{15}) - %msg %n</pattern>
</encoder>
</appender>
<root level="DEBUG">
<appender-ref ref="STDOUT" />
</root>
</configuration>
3.自定义日志格式
实现LayoutBase接口
package chapters.layouts;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.LayoutBase;
public class MySampleLayout extends LayoutBase<ILoggingEvent> {
public String doLayout(ILoggingEvent event) {
StringBuffer sbuf = new StringBuffer(128);
sbuf.append(event.getTimeStamp() - event.getLoggingContextVO.getBirthTime());
sbuf.append(" ");
sbuf.append(event.getLevel());
sbuf.append(" [");
sbuf.append(event.getThreadName());
sbuf.append("] ");
sbuf.append(event.getLoggerName();
sbuf.append(" - ");
sbuf.append(event.getFormattedMessage());
sbuf.append(CoreConstants.LINE_SEP);
return sbuf.toString();
}
}
在配置文件中的配置
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
<layout class="chapters.layouts.MySampleLayout" />
</encoder>
</appender>
<root level="DEBUG">
<appender-ref ref="STDOUT" />
</root>
</configuration>