一，Maven 依赖 pom.xml配置
1， 去掉默认日志，以便切换到log4j2的日志依赖
2， 然后添加如下两个日志依赖
二，在工程根目录下添加 lo4g2.yml 配置文件
2， 配置文件内容
<!-- 配置 log4j2 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-log4j2</artifactId></dependency><!-- 加上这个才能辨认到log4j2.yml文件 --><dependency><groupId>com.fasterxml.jackson.dataformat</groupId><artifactId>jackson-dataformat-yaml</artifactId></dependency>
三，在工程根目录下添加 lo4g2.yml 配置文件
1， 文件存放位置
2， 配置文件内容
# 共有8个级别，按照从低到高为：ALL < TRACE < DEBUG < INFO < WARN < ERROR < FATAL < OFF。Configuration: status: warn monitorInterval: 30 Properties: # 定义全局变量 Property: # 缺省配置（用于开发环境）。其他环境需要在VM参数中指定，如下： #测试：-Dlog.level.console=warn -Dlog.level.xjj=trace #生产：-Dlog.level.console=warn -Dlog.level.xjj=info - name: log.level.console value: info - name: log.path value: log - name: project.name value: opendoc - name: log.pattern value: "%d{yyyy-MM-dd HH:mm:ss.SSS} -%5p ${PID:-} [%15.15t] %-30.30C{1.} : %m%n" Appenders: Console: #输出到控制台 name: CONSOLE target: SYSTEM_OUT PatternLayout: pattern: ${log.pattern}# 启动日志 RollingFile: - name: ROLLING_FILE fileName: ${log.path}/${project.name}.log filePattern: "${log.path}/historyRunLog/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz" PatternLayout: pattern: ${log.pattern} Filters:# 一定要先去除不接受的日志级别，然后获取需要接受的日志级别 ThresholdFilter: - level: error onMatch: DENY onMismatch: NEUTRAL - level: info onMatch: ACCEPT onMismatch: DENY Policies: TimeBasedTriggeringPolicy: # 按天分类 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100个 max: 100# 平台日志 - name: PLATFORM_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/platform/${project.name}_platform.log filePattern: "${log.path}/platform/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz" PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分类 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100个 max: 100# 业务日志 - name: BUSSINESS_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/bussiness/${project.name}_bussiness.log filePattern: "${log.path}/bussiness/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz" PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分类 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100个 max: 100# 错误日志 - name: EXCEPTION_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/exception/${project.name}_exception.log filePattern: "${log.path}/exception/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz" ThresholdFilter: level: error onMatch: ACCEPT onMismatch: DENY PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分类 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100个 max: 100# DB 日志 - name: DB_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/db/${project.name}_db.log filePattern: "${log.path}/db/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz" PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分类 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100个 max: 100 Loggers: Root: level: info AppenderRef: - ref: CONSOLE - ref: ROLLING_FILE - ref: EXCEPTION_ROLLING_FILE Logger: - name: platform level: info additivity: false AppenderRef: - ref: CONSOLE - ref: PLATFORM_ROLLING_FILE - name: bussiness level: info additivity: false AppenderRef: - ref: BUSSINESS_ROLLING_FILE - name: exception level: debug additivity: true AppenderRef: - ref: EXCEPTION_ROLLING_FILE - name: db level: info additivity: false AppenderRef: - ref: DB_ROLLING_FILE# 监听具体包下面的日志# Logger: # 为com.xjj包配置特殊的Log级别，方便调试# - name: com.xjj# additivity: false# level: ${sys:log.level.xjj}# AppenderRef:# - ref: CONSOLE# - ref: ROLLING_FILE
3， 在application.yml引入log4j2.yml
四， 不同日志枚举类
五， 不同日志工具类util编辑
package com.tcs.irecr.util;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/*** 本地日志参考类 *@author Administrator **/public class LogUtils {//* 获取业务日志logger}public static Logger getBussinessLogger() {return LoggerFactory.getLogger(LogEnum.BUSSINESS.getCategory());}//获取平台日志loggerpublic static Logger getPlatformLogger() {return LoggerFactory.getLogger(LogEnum.PLATFORM.getCategory());}//获取数据库日志loggerpublic static Logger getDBLogger() {return LoggerFactory.getLogger(LogEnum.DB.getCategory());}//获取异常日志loggerpublic static Logger getExceptionLogger() {return LoggerFactory.getLogger(LogEnum.EXCEPTION.getCategory());}
六， 运行时自动在工程目录下生产日志目录和日志文件
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