使用logback实现日志打印过滤

<?xml version="1.0" encoding="UTF-8" ?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
    <!-- 设置 logger context 名称,一旦设置不可改变，默认为default -->
    <!-- <contextName>myAppName</contextName> -->
    <timestamp key="bySecond" datePattern="yyyyMMdd'T'HHmmss" />
    <!-- 日志文件大小最大值 -->
    <property name="maxFileSize" value="1kb" />
    <!-- LoggerContextListener 接口的实例能监听 logger context 上发生的事件，比如说日志级别的变化 -->
    <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
        <resetJUL>true</resetJUL>
    </contextListener>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <!-- encoders are assigned the type ch.qos.logback.classic.encoder.PatternLayoutEncoder 
            by default -->
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
            <evaluator> <!-- defaults to type ch.qos.logback.classic.boolex.JaninoEventEvaluator -->
                <expression>return message.contains("mapper") || message.contains("component") || message.contains("MapperFactoryBean");</expression>
            </evaluator>
            <OnMismatch>NEUTRAL</OnMismatch>
            <OnMatch>DENY</OnMatch>
        </filter>
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
            <evaluator> <!-- defaults to type ch.qos.logback.classic.boolex.JaninoEventEvaluator -->
                <expression>return message.contains("Preparing") || message.contains("Parameters:") || message.contains("Total:");</expression>
            </evaluator>
            <OnMismatch>DENY</OnMismatch>
            <OnMatch>ACCEPT</OnMatch>
        </filter>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
            </pattern>
        </encoder>
    </appender>
    <logger name="java.sql.Statement" level="DEBUG" />
    <logger name="java.sql.PreparedStatement" level="DEBUG" />
    <logger name="com.xxx" level="debug" additivity="false">
        <appender-ref ref="STDOUT" />
    </logger>
    <root>
        <appender-ref ref="STDOUT" />
    </root>
</configuration>

package com.controller;
import com.pojo.JsonData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping(path = "/api/log/")
public class LoggerController {
    Logger logger= LoggerFactory.getLogger(getClass());
    @RequestMapping(path = "test1")
    public Object logTest1(){
        logger.trace("-----trace级别日志-----");
        logger.debug("-----debug级别日志-----");
        logger.info("-----info级别日志-----");
        logger.warn("-----warn级别日志-----");
        logger.error("-----error级别日志-----");
        return JsonData.buildSuccess();
    }
    @RequestMapping(path = "test2")
    public Object logTest2(){
        MDC.put("name","yangche");
        MDC.put("age","25");
        MDC.put("like","wujing");
        logger.trace("-----trace级别日志-----");
        logger.debug("-----debug级别日志-----");
        logger.info("-----info级别日志-----");
        logger.warn("-----warn级别日志-----");
        logger.error("-----error级别日志-----");
        logger.info("");
        MDC.clear();
        return JsonData.buildSuccess();
    }
}

package com.filter;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.filter.Filter;
import ch.qos.logback.core.spi.FilterReply;
import org.springframework.util.StringUtils;
public class SimpleLogFilter extends Filter<ILoggingEvent> {
    @Override
    public FilterReply decide(ILoggingEvent event) {
        System.err.println(event.getMDCPropertyMap().get("name"));
        if(StringUtils.isEmpty(event.getMdc().get("name"))){
            return FilterReply.DENY;
        }else {
            return FilterReply.NEUTRAL;
        }
    }
}

<?xml version="1.0" encoding="UTF-8" ?>
<configuration>
    <!--控制台日志-->
    <appender name="consoleApp" class="ch.qos.logback.core.ConsoleAppender">
        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>
                %date{yyyy-MM-dd HH:mm:ss.SSS} %-5level[%thread]%logger{56}.%method:%L -%msg%n
            </pattern>
        </layout>
    </appender>
    <!--ERROR级别日志-->
    <appender name="fileErrorApp" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>ERROR</level>
        </filter>
        <encoder>
            <pattern>
                %date{yyyy-MM-dd HH:mm:ss.SSS} %-5level[%thread]%logger{56}.%method:%L -%msg%n
            </pattern>
        </encoder>
        <!-- 设置滚动策略 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 路径 -->
            <fileNamePattern>log/app.err.%d.log</fileNamePattern>
            <!-- 控制保留的归档文件的最大数量，超出数量就删除旧文件，假设设置每个月滚动，
            且<maxHistory> 是1，则只保存最近1个月的文件，删除之前的旧文件 -->
            <MaxHistory>1</MaxHistory>
        </rollingPolicy>
    </appender>
    <!--INFO级别日志-->
    <appender name="fileInfoApp" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--<filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <!–
                onMatch="ACCEPT" 表示匹配该级别及以上
                onMatch="DENY" 表示不匹配该级别及以上
                onMatch="NEUTRAL" 表示该级别及以上的，由下一个filter处理，如果当前是最后一个，则表示匹配该级别及以上
                onMismatch="ACCEPT" 表示匹配该级别以下
                onMismatch="NEUTRAL" 表示该级别及以下的，由下一个filter处理，如果当前是最后一个，则不匹配该级别以下的
                onMismatch="DENY" 表示不匹配该级别以下的
            –>
            <onMatch>ACCEPT</onMatch>
            <!–<onMismatch>DENY</onMismatch>–>
        </filter>-->
        <filter class="com.filter.SimpleLogFilter"/>　　<!--我写的过滤器，过滤的是mdc中name的值为空的日志内容，所以所有name为空值的不会被打印-->
        <encoder>
            <pattern>
                %X{name} %X{age} %X{like}-----%date{yyyy-MM-dd HH:mm:ss.SSS} %-5level[%thread]%logger{56}.%method:%L -%msg%n
            </pattern>
        </encoder>
        <!-- 滚动策略 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 路径 -->
            <fileNamePattern>log/app.info.%d.log</fileNamePattern>
        </rollingPolicy>
    </appender>
    <!--root level最低级别-->
    <root level="INFO">
        <appender-ref ref="consoleApp"/>
        <appender-ref ref="fileInfoApp"/>
        <appender-ref ref="fileErrorApp"/>
    </root>
</configuration>