<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <!-- 屏蔽 com.example.sensitive 包及其子包的所有日志 -->
    <logger name="com.example.sensitive" level="OFF" />
 
    <!-- 若需精確屏蔽特定類 -->
    <logger name="com.example.service.SensitiveService" level="OFF" />
    
    <!-- Spring Boot 默認(rèn)控制臺輸出 -->
    <include resource="org/springframework/boot/logging/logback/defaults.xml" />
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
        </encoder>
    </appender>
    
    <root level="INFO">
        <appender-ref ref="CONSOLE" />
    </root>
</configuration>

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <springProfile name="prod">
        <!-- 生產(chǎn)環(huán)境屏蔽指定包日志 -->
        <logger name="com.example.debug" level="OFF" />
    </springProfile>
 
    <springProfile name="dev,test">
        <!-- 開發(fā)/測試環(huán)境保留全部日志 -->
        <logger name="com.example.debug" level="DEBUG" />
    </springProfile>
    
    <!-- 公共配置 -->
    <include resource="org/springframework/boot/logging/logback/defaults.xml" />
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
        </encoder>
    </appender>
    
    <root level="INFO">
        <appender-ref ref="CONSOLE" />
    </root>
</configuration>

<logger name="完整的包或類路徑" level="OFF" />

<logger name="com.example.noisy" level="OFF" additivity="false" />

<!-- 多環(huán)境控制示例 -->
<springProfile name="!prod">  <!-- 非生產(chǎn)環(huán)境生效 -->
     <logger name="com.example.temp" level="DEBUG" />
</springProfile>

// 被屏蔽的類
package com.example.sensitive;
 
public class SecureService {
    private static final Logger log = LoggerFactory.getLogger(SecureService.class);
    
    public void process() {
        log.debug("這條日志應(yīng)該被隱藏"); // 不會輸出
        log.error("這條日志也會被隱藏"); // OFF 級別會屏蔽所有級別
    }
}

<logger name="com.example.large" level="ERROR" /> <!-- 只顯示 ERROR 及以上 -->

java -jar app.jar --spring.profiles.active=prod