简单日志项目

1、pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.ebc</groupId>
    <artifactId>log-test</artifactId>
    <version>1.0</version>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
            <version>2.1.3.RELEASE</version>
            <exclusions>
                <exclusion>
                    <artifactId>log4j-to-slf4j</artifactId>
                    <groupId>org.apache.logging.log4j</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.6</version>
            <scope>provided</scope>
        </dependency>

    </dependencies>

</project>

2、logback.xml（可不写）

<?xml version="1.0" encoding="UTF-8"?>
<configuration
        xmlns="http://ch.qos.logback/xml/ns/logback" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://ch.qos.logback/xml/ns/logback
        https://raw.githubusercontent.com/enricopulatzo/logback-XSD/master/src/main/xsd/logback.xsd">

    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%msg%n</pattern>
        </encoder>
    </appender>
    <!-- TRACE < DEBUG < INFO < WARN < ERROR -->
    <root level="ERROR">
        <appender-ref ref="console"/>
    </root>
    <logger name="com.yst" level="DEBUG" />
</configuration>

3、ListenerTest1.java

import lombok.extern.slf4j.Slf4j;

@Slf4j
public class ListenerTest1 {
    public static void main(String[] args) {
        log.info("{}","hello world");
    }
}

输出：

09:23:44.765 [main] INFO com.ebc.ListenerTest1 - hello world