logback同时输出到控制台和文件，并按级别输出到不同的文件--配置开箱即用

　　　　　<dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.2.3</version>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-core</artifactId>
            <version>1.2.3</version>
        </dependency>

<?xml version="1.0" encoding="UTF-8"  ?>
<configuration>
    <!-- 输出到控制台 -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <!-- 输出的格式 -->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>

    <!--输出错误日志-->
    <appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 日志名称的格式 -->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
        <file>logs/error.log</file>
        <!-- 配置滚动的策略 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>logs/%d{yyyy-MM-dd}/error.log</fileNamePattern>
            <!-- 保存的最长时间：天数 -->
            <maxHistory>10</maxHistory>
        </rollingPolicy>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>

    </appender>
    <appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
        <file>logs/info.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>logs/%d{yyyy-MM-dd}/XXXXMo.log</fileNamePattern>
            <maxHistory>10</maxHistory>
        </rollingPolicy>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <!--可以修改成INFO，DEBUG等-->
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>

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

@SpringBootApplication
@Component
@RestController
public class DemoApplication {

    private static final Logger logger = LoggerFactory.getLogger(DemoApplication.class);
    @Autowired
    private Test test;
    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }

    @RequestMapping("/get")
    public void get() {
        logger.error(DemoApplication.class+"error");
        logger.info(DemoApplication.class+"success");
    }
}