详解Java中如何使用日志库在代码中添加日志

<dependencies>
    <!-- Logback -->
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
        <version>1.2.3</version>
    </dependency>
</dependencies>

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MyClass {
    private static final Logger logger = LoggerFactory.getLogger(MyClass.class);
    public void doSomething() {
        String name = "Alice";
        int age = 30;
        logger.info("User {} is {} years old.", name, age);
    }
}

logger.debug("This is a debug message.");
logger.info("This is an info message.");
logger.warn("This is a warning message.");
logger.error("This is an error message.", exception);

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n
            </Pattern>
        </layout>
    </appender>
    <root level="INFO">
        <appender-ref ref="STDOUT"/>
    </root>
</configuration>

<root level="INFO">
    <appender-ref ref="STDOUT" />
</root>