logback输出到控制台和文件--配置

<configuration>

<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">

<!-- encoders are assigned the type

ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->

<encoder>

<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>

</encoder>

</appender>

<appender name="FILE" class="ch.qos.logback.core.FileAppender">

<file>log/DocSearch.log</file>

<append>true</append>

<!-- encoders are assigned the type

ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->

<encoder>

<pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n</pattern>

</encoder>

</appender>

<root level="debug">

<appender-ref ref="STDOUT" />

<appender-ref ref="FILE" />

</root>

</configuration>