如何用log4j2将日志保存到带有时间戳的文件中

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
    <Appenders>
        <RollingFile name="RollingFile" fileName="logs/app-%d{yyyy-MM-dd-HH-mm-ss}.log"
            filePattern="logs/app-%d{yyyy-MM-dd-HH-mm-ss}.log">
            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
            <Policies>
                <TimeBasedTriggeringPolicy />
            </Policies>
        </RollingFile>
    </Appenders>
    <Loggers>
        <Root level="info">
            <AppenderRef ref="RollingFile" />
        </Root>
    </Loggers>
</Configuration>

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

public class MyClass {
    private static final Logger logger = LogManager.getLogger(MyClass.class);

    public static void main(String[] args) {
        logger.info("This is an info message");
        logger.error("This is an error message");
    }
}