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Java Maven项目使用Logback slf4j


1. 添加依赖

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</dependency>

2.在src/main/resource 目录下 新建logback配置文件 即可 如下 :logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="10 seconds">


<property name="LOG_HOME" value="./logs" />

<property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n" />

<!--输出到控制台 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>info</level>
</filter>
<encoder>
<pattern>${LOG_PATTERN}</pattern>
<charset>UTF-8</charset>
</encoder>
</appender>


<!--输出到文件 -->
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<FileNamePattern>${LOG_HOME}/project-name.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
<MaxHistory>30</MaxHistory>
<MaxFileSize>10MB</MaxFileSize>
</rollingPolicy>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<pattern>${LOG_PATTERN}</pattern>
<charset>UTF-8</charset>
</encoder>
</appender>

<!-- 设置 log 级别 info -->
<root level="info">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
</root>



</configuration>

使用 

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Test {

private Logger logger = LoggerFactory.getLogger(this.getClass());

public void test() {
logger.info("----------------------Start ----------------------");
}
}

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