slfj+logback

1.pom.xml

<dependency>
 <groupId>org.projectlombok</groupId>
 <artifactId>lombok</artifactId>
 <version>1.18.4</version>
</dependency>

<dependency>
 <groupId>org.slf4j</groupId>
 <artifactId>slf4j-api</artifactId>
 <version>1.7.5</version>
</dependency>
<dependency>
 <groupId>ch.qos.logback</groupId>
 <artifactId>logback-classic</artifactId>
 <version>1.0.13</version>
</dependency>
2.logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--debug="true" : 打印logback內部狀態（默認當logback運行出錯時纔會打印內部狀態 ），配置該屬性後打印條件以下（同時知足）：
 一、找到配置文件 二、配置文件是一個格式正確的xml文件 也可編程實現打印內部狀態，例如： LoggerContext lc = (LoggerContext)
 LoggerFactory.getILoggerFactory(); StatusPrinter.print(lc); -->
<!-- scan="true" ： 自動掃描該配置文件，如有修改則從新加載該配置文件 -->
<!-- scanPeriod="30 seconds" : 配置自動掃面時間間隔（單位能夠是：milliseconds, seconds, minutes
 or hours，默認爲：milliseconds）， 默認爲1分鐘，scan="true"時該配置纔會生效 -->
<configuration debug="false" scan="true" scanPeriod="30 seconds" packagingData="true">
 <!-- 設置 logger context 名稱,一旦設置不可改變，默認爲default -->
 <contextName>myAppName</contextName>

 <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
 <!-- encoders are by default assigned the type ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
 <encoder>
 <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
 </encoder>
 </appender>

 <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
 <!-- 當前活動日誌文件名 -->
 <file>./my_log.log</file>
 <!-- 文件滾動策略根據%d{patter}中的「patter」而定，此處爲天天產生一個文件 -->
 <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
 <!-- 歸檔文件名「.zip或.gz結尾」,表示歸檔文件自動壓縮 -->
 <FileNamePattern>./my_log%d{yyyyMMdd}.log.zip</FileNamePattern>
 <maxHistory>30</maxHistory>
 </rollingPolicy>

 <!--rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
 <fileNamePattern>renhai%i.log</fileNamePattern>
 <minIndex>1</minIndex>
 <maxIndex>10</maxIndex>
 </rollingPolicy>

 <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
 <maxFileSize>20MB</maxFileSize>
 </triggeringPolicy-->

 <!-- <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
 rollover daily
 <fileNamePattern>mylog-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
 each file should be at most 30MB, keep 60 days worth of history, but at most 20GB
 <maxFileSize>30MB</maxFileSize>
 <maxHistory>60</maxHistory>
 <totalSizeCap>20GB</totalSizeCap>
 </rollingPolicy> -->


 <encoder>
 <pattern>%d{HH:mm:ss.SSS}[%-5level][%thread]%logger{36} - %msg%n</pattern>
 <!-- <pattern>%d{HH:mm:ss.SSS}[%-5level][%thread] - %msg%n</pattern> -->
 </encoder>
 </appender>

 <!-- 日誌級別若沒顯示定義，則繼承最近的父logger（該logger需顯示定義level,直到rootLogger）的日誌級別-->
 <!-- logger的appender默認具備累加性（默認日誌輸出到當前logger的appender和全部祖先logger的appender中），可經過配置 「additivity」屬性修改默認行爲-->
 <logger name="com.yinz" level="debug" additivity="false" >
 <appender-ref ref="FILE"/>
 </logger>

 <!-- 至多隻能配置一個root -->
 <root level="debug">
 <appender-ref ref="STDOUT" />
 <appender-ref ref="FILE" />
 </root>
</configuration>
3.

import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Slf4j
public class Test2 {
 static Logger log1 = LoggerFactory.getLogger(Test2.class);

 public static void main(String[] args) {

 System.out.println(log1.isInfoEnabled());
 log1.info("你好啊{}", "01");
 log.info("cc");

 }}以上會打印到控制檯和文件麗