springboot配置log4j

maven 配置jar包

　  <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-log4j2</artifactId>
        </dependency>
        <dependency>  <!-- 加上这个才能辨认到log4j2.yml文件 -->
            <groupId>com.fasterxml.jackson.dataformat</groupId>
            <artifactId>jackson-dataformat-yaml</artifactId>
        </dependency>    

application-dev.yml配置文件

logging:
  config: classpath:log4j2-dev.yml

log4j2-dev.yml配置文件

#参考文档：
#官网：https://logging.apache.org/log4j/2.x/manual/configuration.html#YAML
#https://www.jianshu.com/p/4ac14b9f51d2?utm_campaign=maleskine&utm_content=note&utm_medium=seo_notes&utm_source=recommendation
#http://shmilyaw-hotmail-com.iteye.com/blog/2410764
#
Configuration:
  status: WARN    #log4j2自身组件的日志级别

  Properties: # 定义全局变量
    Property:
      - name: zhx.log.level
        value: debug
      - name: springframework.log
        value: info
      - name: org.mybatis
        value: debug
      - name: log.path
        value: logs/owg_server/
      - name: project.name
        value: owg_server
  Appenders:
    Console:  #输出到控制台
      name: CONSOLE
      target: SYSTEM_OUT
      ThresholdFilter:
        level: ${zhx.log.level}
        onMatch: ACCEPT
        onMismatch: DENY
      PatternLayout:
        pattern: "%d{yyyy-MM-dd HH:mm:ss,SSS}:%4p %t (%F:%L) - %m%n"

    RollingFile: #输出到文件
      name: ROLLING_FILE
      ThresholdFilter:
        level: ${zhx.log.level}
        onMatch: ACCEPT
        onMismatch: DENY
      fileName: ${log.path}/${project.name}.log
      filePattern: "${log.path}/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}.log"
      PatternLayout:
        pattern: "%d{yyyy-MM-dd HH:mm:ss,SSS}:%4p %t (%F:%L) - %m%n"
      Policies: #触发策略
        SizeBasedTriggeringPolicy :  #基于日志文件大小触发
          size: "50MB"
      DefaultRolloverStrategy:
        max: 1000
  Loggers:
    Root:
      level: ${zhx.log.level}
      additivity: false
      AppenderRef:
        - ref: CONSOLE
    Logger:
      - name: com.zhx
        level: ${zhx.log.level}
        additivity: false
        AppenderRef:
          - ref: CONSOLE
      - name: org.springframework
        level: ${springframework.log}
        additivity: false
        AppenderRef:
          - ref: CONSOLE
      - name: org.mybatis
        level: ${org.mybatis}
        additivity: false
        AppenderRef:
          - ref: CONSOLE