log4j2.yml如何配置呢?

实现思路:
    1.pom.xml引入相应的依赖
	2.配置log4j2.yml定义log4j的相关设置

Log4j需引入依赖设置

<dependency>
		<groupId>org.apache.logging.log4j</groupId>
		<artifactId>log4j-api</artifactId>
		<version>2.11.2</version>
	</dependency>
 
	<dependency>
		<groupId>org.apache.logging.log4j</groupId>
		<artifactId>log4j-core</artifactId>
		<version>2.11.2</version>
	</dependency>
		
	<dependency>
		<groupId>com.fasterxml.jackson.dataformat</groupId>
		<artifactId>jackson-dataformat-yaml</artifactId>
		<version>2.9.8</version>
	</dependency>
 
	<dependency>
		<groupId>com.fasterxml.jackson.core</groupId>
		<artifactId>jackson-databind</artifactId>
		<version>2.9.8</version>
	</dependency>

log4j2.yml

Configuration:
  status: warn
 
  appenders:
    Console:
      name: LogToConsole
      PatternLayout:
        Pattern: "[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n"
        
    #File:
    #  name: File
    #  fileName: logs/app.log
    #  PatternLayout:
    #    Pattern: "%d %p %C{1.} [%t] %m%n"
 
    RollingFile:
      - name: LogToRollingFile
        fileName: logs/app.log
        filePattern: "logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz"
        PatternLayout:
          pattern: "[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n"
        Policies:
          SizeBasedTriggeringPolicy:
            size: 10MB
        DefaultRollOverStrategy:
          max: 10
 
  Loggers:
    logger:
      - name: com.mkyong
        level: debug
        additivity: false
        AppenderRef:
          - ref: LogToConsole
          - ref: LogToRollingFile
 
    Root:
      level: error
      AppenderRef:
        ref: LogToConsole