<?xml version="1.0" encoding="UTF-8"?> 
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<configuration> 
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  <springProperty scope="context" name="logbackLevel" source="logback.level"/> 
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  <springProperty scope="context" name="logbackAppender" source="logback.appender"/> 
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  <!-- 开发环境(输出到控制台)  --> 
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  <appender name="development" class="ch.qos.logback.core.ConsoleAppender"> 
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    <encoder> 
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      <!-- 设置日志输出格式 --> 
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      <pattern>%d %p (%file:%line\)- %m%n</pattern> 
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      <!-- 输出编码 --> 
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      <charset>UTF-8</charset> 
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    </encoder> 
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  </appender> 
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  <!-- 测试/线上环境(通过日期分割日志文件) --> 
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  <appender name="production" 
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            class="ch.qos.logback.core.rolling.RollingFileAppender"> 
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    <File>log/eva.log</File> 
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    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> 
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      <!-- 文件名配置 --> 
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      <fileNamePattern>log/eva-%d.%i.log</fileNamePattern> 
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      <!-- 日志文件保存期限(单位天) --> 
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      <maxHistory>30</maxHistory> 
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      <timeBasedFileNamingAndTriggeringPolicy  class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP"> 
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        <!-- 设置日志文件大小,默认值是10MB--> 
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        <maxFileSize>100MB</maxFileSize> 
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      </timeBasedFileNamingAndTriggeringPolicy> 
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    </rollingPolicy> 
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    <encoder> 
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      <!-- 设置日志输出格式 --> 
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      <pattern>%d %p (%file:%line\)- %m%n</pattern> 
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      <!-- 输出编码 --> 
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      <charset>UTF-8</charset> 
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    </encoder> 
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  </appender> 
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  <!-- 设置日志级别和输出模式 --> 
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  <root level="${logbackLevel}"> 
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    <appender-ref ref="${logbackAppender}" /> 
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  </root> 
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</configuration> 
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