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log4j2.xml
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log4j2.xml
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Properties>
<!-- 定义日志格式 -->
<Property name="log.pattern">%d{MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36}%n%msg%n%n</Property>
<!-- 定义文件名变量 -->
<Property name="file.err.filename">log/err.log</Property>
<Property name="file.err.pattern">log/err.%i.log.gz</Property>
</Properties>
<!-- 定义Appender,即目的地 -->
<Appenders>
<!-- 定义输出到屏幕 -->
<Console name="console" target="SYSTEM_OUT">
<!-- 日志格式引用上面定义的log.pattern -->
<PatternLayout pattern="${log.pattern}" />
</Console>
<!-- 定义输出到文件,文件名引用上面定义的file.err.filename -->
<RollingFile name="err" bufferedIO="true" fileName="${file.err.filename}" filePattern="${file.err.pattern}">
<PatternLayout pattern="${log.pattern}" />
<Policies>
<!-- 根据文件大小自动切割日志 -->
<SizeBasedTriggeringPolicy size="1 MB" />
</Policies>
<!-- 保留最近10份 -->
<DefaultRolloverStrategy max="10" />
</RollingFile>
</Appenders>
<Loggers>
<Root level="info">
<!-- 对info级别的日志,输出到console -->
<AppenderRef ref="console" level="info" />
<!-- 对error级别的日志,输出到err,即上面定义的RollingFile -->
<AppenderRef ref="err" level="error" />
</Root>
</Loggers>
</Configuration>