使用Logback记录日志

1.新建maven工程，引入如下依赖：

　　　　　
        <dependency>
            <groupId>org.slf4jgroupId>
            <artifactId>slf4j-apiartifactId>
            <version>1.7.25version>
        dependency>

        
        <dependency>
            <groupId>ch.qos.logbackgroupId>
            <artifactId>logback-classicartifactId>
            <version>1.2.3version>
        dependency>
        
        <dependency>
            <groupId>ch.qos.logbackgroupId>
            <artifactId>logback-coreartifactId>
            <version>1.2.3version>
        dependency>

2.在类路径中添加如下配置：（src->main->resources）

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%npattern>
        encoder>
    appender>

    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%npattern>
            <charset>utf-8charset>
        encoder>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            
            <fileNamePattern>log/%d{yyyy-MM-dd}.%i.logfileNamePattern>
            
            <maxFileSize>1MBmaxFileSize>
            <maxHistory>30maxHistory>
        rollingPolicy>
    appender>

    <root level="INFO">
        <appender-ref ref="CONSOLE" />
        <appender-ref ref="FILE" />
    root>
configuration>

3.这样就可以愉快的使用了，测试如下：

public class LogTest {
    private final static Logger logger = LoggerFactory.getLogger(LogTest.class);
    public static void main(String[] args) {
        for (int i = 0; i < 10000; i++) {
            logger.info("info");
            logger.warn("warn");
            logger.error("error");
        }
    }
}