java3种常见日志配置：commons-log,log4j,logback

浅浅的花香味﹌ 2022-06-06 03:05 45阅读 0赞

# java3种常见日志配置：commons-log,log4j,logback #

**lof4j，logback属性文件放在src/main/resources**  
日志文件：  
![这里写图片描述][SouthEast]

## <table>   <tbody>    <tr>     <td>1.commons-log</td>    </tr>   </tbody>  </table> ##

**Commons-logging+log4j**：[下载完整测试代码][Link 1]

**pom**

<dependency>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
                <version>1.2</version>
            </dependency>
                
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>1.2.17</version>
            </dependency>

**log4j.properties属性文件：**

# Direct log messages to a log file ./logs/test-json.log
    log4j.appender.file=org.apache.log4j.RollingFileAppender  
    log4j.appender.file.File=D:/code/logs/test-commonsLog.log
    log4j.appender.file.MaxFileSize=20MB  
    log4j.appender.file.MaxBackupIndex=10  
    log4j.appender.file.layout=org.apache.log4j.PatternLayout  
    log4j.appender.file.layout.ConversionPattern=[%-d{yyyy-MM-dd HH\:mm\:ss}]-[%p] %c %m%n
    
    # Direct log messages to stdout 
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender  
    log4j.appender.stdout.Target=System.out  
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout  
    log4j.appender.stdout.layout.ConversionPattern=[%-d{yyyy-MM-dd HH\:mm\:ss}]-[%p] %c %m%n
    
    # Root logger option DEBUG, file, stdout 
    log4j.rootLogger=DEBUG, file, stdout

## <table>   <tbody>    <tr>     <td>2.log4j</td>    </tr>   </tbody>  </table> ##

**log4j+slf4j**：[下载完整测试代码][Link 2]

**pom**

<dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
                <version>1.7.18</version>
            </dependency>
                <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>1.2.17</version>
            </dependency>
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-log4j12</artifactId>
                <version>1.7.18</version>
            </dependency>

**例子代码下载：**

#### **log4j.properties属性文件：** ####

# Direct log messages to a log file ./logs/test-json.log
    log4j.appender.file=org.apache.log4j.RollingFileAppender  
    log4j.appender.file.File=D:/code/logs/test-log4j.log
    log4j.appender.file.MaxFileSize=20MB  
    log4j.appender.file.MaxBackupIndex=10  
    log4j.appender.file.layout=org.apache.log4j.PatternLayout  
    log4j.appender.file.layout.ConversionPattern=[%-d{yyyy-MM-dd HH\:mm\:ss}]-[%p] %c %m%n
    
    # Direct log messages to stdout 
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender  
    log4j.appender.stdout.Target=System.out  
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout  
    log4j.appender.stdout.layout.ConversionPattern=[%-d{yyyy-MM-dd HH\:mm\:ss}]-[%p] %c %m%n
    
    # Root logger option DEBUG, file, stdout 
    log4j.rootLogger=DEBUG, file, stdout

## <table>   <tbody>    <tr>     <td>3.logback</td>    </tr>   </tbody>  </table> ##

**Slf4j+logback**：[下载完整测试代码][Link 3]

**pom**

<dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
                <version>1.7.18</version>
            </dependency>
            <dependency>
                <groupId>ch.qos.logback</groupId>
                <artifactId>logback-core</artifactId>
                <version>1.1.6</version>
            </dependency>
            <dependency>
                <groupId>ch.qos.logback</groupId>
                <artifactId>logback-classic</artifactId>
                <version>1.1.6</version>
            </dependency>

**logback.xml属性文件：**

<configuration scan="true" scanPeriod="60 seconds" debug="false">
        
        <jmxConfigurator />
        
        
        <property name="log_dir" value="D:/code/logs/test-logback.log" />
        
        <property name="maxHistory" value="30" />
    
        
        <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
            <encoder>
                <pattern>
                    
                    %d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger - %msg%n
                </pattern>
            </encoder>
        </appender>
    
        
        
        <appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
            
            
            <filter class="ch.qos.logback.classic.filter.LevelFilter">
                
                <level>ERROR</level>
                
                <onMatch>ACCEPT</onMatch>
                
                <onMismatch>DENY</onMismatch>
            </filter>
            
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                
                <fileNamePattern>
                    ${log_dir}/error/%d{yyyy-MM-dd}/error-log.log
                </fileNamePattern>
                
                <maxHistory>${maxHistory}</maxHistory>
            </rollingPolicy>
            <encoder>
                <pattern>
                    
                    %d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger - %msg%n
                </pattern>
            </encoder>
        </appender>
    
        
        <appender name="WARN" class="ch.qos.logback.core.rolling.RollingFileAppender">
            
            
            <filter class="ch.qos.logback.classic.filter.LevelFilter">
                
                <level>WARN</level>
                
                <onMatch>ACCEPT</onMatch>
                
                <onMismatch>DENY</onMismatch>
            </filter>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                
                <fileNamePattern>${log_dir}/warn/%d{yyyy-MM-dd}/warn-log.log</fileNamePattern>
                <maxHistory>${maxHistory}</maxHistory>
            </rollingPolicy>
            <encoder>
                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger - %msg%n</pattern>
            </encoder>
        </appender>
    
        
        <appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
            <filter class="ch.qos.logback.classic.filter.LevelFilter">
                <level>INFO</level>
                <onMatch>ACCEPT</onMatch>
                <onMismatch>DENY</onMismatch>
            </filter>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                <fileNamePattern>${log_dir}/info/%d{yyyy-MM-dd}/info-log.log</fileNamePattern>
                <maxHistory>${maxHistory}</maxHistory>
            </rollingPolicy>
            <encoder>
                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger - %msg%n</pattern>
            </encoder>
        </appender>
    
        
        <appender name="DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
            <filter class="ch.qos.logback.classic.filter.LevelFilter">
                <level>DEBUG</level>
                <onMatch>ACCEPT</onMatch>
                <onMismatch>DENY</onMismatch>
            </filter>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                <fileNamePattern>${log_dir}/debug/%d{yyyy-MM-dd}/debug-log.log</fileNamePattern>
                <maxHistory>${maxHistory}</maxHistory>
            </rollingPolicy>
            <encoder>
                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger - %msg%n</pattern>
            </encoder>
        </appender>
    
        
        <appender name="TRACE" class="ch.qos.logback.core.rolling.RollingFileAppender">
            <filter class="ch.qos.logback.classic.filter.LevelFilter">
                <level>TRACE</level>
                <onMatch>ACCEPT</onMatch>
                <onMismatch>DENY</onMismatch>
            </filter>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                <fileNamePattern>${log_dir}/trace/%d{yyyy-MM-dd}/trace-log.log</fileNamePattern>
                <maxHistory>${maxHistory}</maxHistory>
            </rollingPolicy>
            <encoder>
                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger - %msg%n</pattern>
            </encoder>
        </appender>
    
        
        <root>
            
            <level value="debug" />
            
            <appender-ref ref="console" />
            
            <appender-ref ref="ERROR" />
            <appender-ref ref="INFO" />
            <appender-ref ref="WARN" />
            <appender-ref ref="DEBUG" />
            <appender-ref ref="TRACE" />
        </root>
    </configuration>

**例子代码**

##  ##

[SouthEast]: /images/20220606/3b90198c713b48068f0a0a8880c7e817.png
[Link 1]: http://download.csdn.net/download/yhhyhhyhhyhh/10042646
[Link 2]: http://download.csdn.net/download/yhhyhhyhhyhh/10042648
[Link 3]: http://download.csdn.net/download/yhhyhhyhhyhh/10042649