自定义规则conversionRule

public class LogabckMessageConverter extends MessageConverter {
 
 
	@Override
	public String convert(ILoggingEvent event) {
 
		
		String msg = event.getMessage();
		if ("INFO".equals(event.getLevel().toString())) {
			msg = .....脱敏实现
		}
		return msg;
	}
}

logback-spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="10 seconds">
	<springProperty scope="context" name="logging.path"
		source="log_path_base" />
	<property name="LOG_FILE_PREFIX" value="60760" />
 	
 	<!--自定义脱敏规则-->
	<conversionRule conversionWord="msg" converterClass="com.xxx.LogabckMessageConverter"/>
 
    <appender name="FILE" class="ch.qos.logback.core.FileAppender"> 
　　　　<file>/logs/testFile.log</file> 
　　　　<append>true</append> 
　　　　<encoder> 
　　　　		<!--日志打印模板-->
　　　　　　<pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n</pattern> 
　　　　</encoder> 
　　</appender> 
 
 
	<!-- 控制台日志 -->
	<appender name="STDOUT"
		class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
			<charset>UTF-8</charset>
		</encoder>
	</appender>
 
 
	<root level="INFO">
		<appender-ref ref="STDOUT" /> 
		<appender-ref ref="FILE" /> 
	</root>
</configuration>