Spring boot中限制 Mybatis SQL日志的大字段输出问题

import ch.qos.logback.classic.pattern.ClassicConverter;
import ch.qos.logback.classic.spi.ILoggingEvent;
/***
 *
 * @author xuancg
 * @date 2025/9/30
 */
public class SqlParamMaskingConverter extends ClassicConverter {
    private static final int MAX_LENGTH = 400;
    private static final String MASK = "...[MASKED: too long to show]";
    @Override
    public String convert(ILoggingEvent event) {
        String message = event.getFormattedMessage();
        // 匹配 PreparedStatement 的参数设置日志，如：? column1 = 'value'
        if (message.startsWith("==> Parameters:") || message.startsWith("Parameters:")) {
            return maskLongStrings(message);
        }
        return message;
    }
    private String maskLongStrings(String msg) {
        // 简单处理：对单引号包裹的长字符串进行截断
        if(msg.length() > MAX_LENGTH){
            return msg.substring(0, MAX_LENGTH) + MASK;
        }
        return msg;
    }
}

<conversionRule conversionWord="maskedMsg" converterClass="com.xx.SqlParamMaskingConverter"/>
<!-- 日志输出格式 -->
<property name="log.pattern" value="%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %maskedMsg%n" />

<configuration>
    <!-- 注册自定义转换器 -->
    <conversionRule conversionWord="maskedMsg" converterClass="com.xx.SqlParamMaskingConverter"/>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %maskedMsg%n</pattern>
        </encoder>
    </appender>
    <!-- 只对 MyBatis 的 SQL 日志启用 -->
    <logger name="org.apache.ibatis.logging.jdbc.PreparedStatementLogger" level="DEBUG">
        <appender-ref ref="STDOUT"/>
    </logger>
    <root level="INFO">
        <appender-ref ref="STDOUT"/>
    </root>
</configuration>