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log4j2鎬庝箞瀹氭椂鐢熸垚鏂囦欢

扬州沐宇科技
2023-12-09 11:47:34
log4j2

鍦╨og4j2涓紝鍙互浣跨敤RollingFileAppender鏉ュ畾鏃剁敓鎴愭枃浠躲€備互涓嬫槸涓€涓ず渚嬮厤缃枃浠讹紝鍏朵腑姣忓ぉ鐢熸垚涓€涓柊鐨勬棩蹇楁枃浠讹細

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
    <Appenders>
        <RollingFile name="RollingFile" fileName="logs/app.log"
                     filePattern="logs/app-%d{yyyy-MM-dd}.log">
            <PatternLayout pattern="%d [%t] %-5p %c{1}:%L - %m%n" />
            <Policies>
                <TimeBasedTriggeringPolicy />
            </Policies>
            <DefaultRolloverStrategy max="10" />
        </RollingFile>
    </Appenders>
    <Loggers>
        <Root level="info">
            <AppenderRef ref="RollingFile" />
        </Root>
    </Loggers>
</Configuration>

鍦ㄤ笂闈㈢殑閰嶇疆鏂囦欢涓紝<RollingFile>鎸囧畾浜嗘棩蹇楁枃浠剁殑鍚嶇О鍜屾枃浠舵ā寮忋€備娇鐢?code>%d{yyyy-MM-dd}妯″紡鍙互灏嗘棩蹇楁枃浠跺悕璁剧疆涓烘瘡澶╀竴涓柊鏂囦欢銆?code><Policies>閮ㄥ垎鎸囧畾浜嗚Е鍙戞粴鍔ㄧ殑绛栫暐锛岃繖閲屼娇鐢ㄤ簡<TimeBasedTriggeringPolicy>鏉ユ寜鏃堕棿瑙﹀彂婊氬姩銆?code><DefaultRolloverStrategy>鎸囧畾浜嗘粴鍔ㄧ瓥鐣ワ紝榛樿鏈€澶氫繚鐣?0涓棩蹇楁枃浠躲€?/p>

鍦ㄤ綘鐨勯」鐩腑锛屽皢涓婅堪閰嶇疆鏂囦欢淇濆瓨涓?code>log4j2.xml锛屽苟灏嗗叾鏀剧疆鍦ㄧ被璺緞涓嬨€傜劧鍚庯紝鍦ㄤ唬鐮佷腑鍒濆鍖杔og4j2锛屽嵆鍙紑濮嬫寜鐓ч厤缃殑鏃堕棿闂撮殧鐢熸垚鏃ュ織鏂囦欢銆?/p>

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class MyApp {
    private static final Logger logger = LogManager.getLogger(MyApp.class);
    
    public static void main(String[] args) {
        logger.info("Hello, World!");
    }
}

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娉ㄦ剰锛氬湪浣跨敤log4j2涔嬪墠锛岄渶瑕佺‘淇濆凡姝g‘閰嶇疆log4j2渚濊禆椤癸紝骞跺湪椤圭洰鐨?code>pom.xml鎴?code>build.gradle鏂囦欢涓坊鍔犵浉搴旂殑渚濊禆銆?/p>

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