日志

1. log4j2

1.1 pom依赖

<dependencies>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.6.6</version>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-slf4j-impl</artifactId>
            <version>2.3</version>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.8.2</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
            <version>2.8.2</version>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-jcl</artifactId>
            <version>2.8.2</version>
        </dependency>


        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.10.0</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.yaml/snakeyaml -->
        <dependency>
            <groupId>org.yaml</groupId>
            <artifactId>snakeyaml</artifactId>
            <version>1.25</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.dataformat</groupId>
            <artifactId>jackson-dataformat-yaml</artifactId>
            <version>2.9.8</version>
        </dependency>
    </dependencies>

1.2 yml-config

# https://blog.csdn.net/u010598111/article/details/80556437
# 共有8个级别，按照从低到高为：ALL < TRACE < DEBUG < INFO < WARN < ERROR < FATAL < OFF。
Configuration:
  status: info
  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：
      - name: log.level.console
        value: info
      - name: log.path
        value: log
      - name: project.name
        value: xinyar-erp-auto
      - name: log.pattern
        value: "%d{yyyy-MM-dd HH:mm:ss.SSS} -%5p ${PID:-} [%15.15t] %C{1.} : %m%n"
  Appenders:
    Console:  #输出到控制台
      name: CONSOLE
      target: SYSTEM_OUT
      PatternLayout:
        pattern: ${log.pattern}
    #   启动日志
    RollingFile:
      - name: ROLLING_FILE
        fileName: D:/${log.path}/${project.name}.log
        filePattern: "D:/${log.path}/${project.name}-%d{yyyy-MM-dd}-%i.log"
        PatternLayout:
          pattern: ${log.pattern}
        Filters:
          #        一定要先去除不接受的日志级别，然后获取需要接受的日志级别
          ThresholdFilter:
            - level: error
              onMatch: DENY
              onMismatch: NEUTRAL
            - level: info
              onMatch: ACCEPT
              onMismatch: DENY
        Policies:
          TimeBasedTriggeringPolicy:  # 按天分类
            modulate: true
            interval: 1
          SizeBasedTriggeringPolicy:  # 设置文件最大大小
            size: 2MB
        DefaultRolloverStrategy:     # 文件最多100个
          max: 100
      #   错误日志
      - name: EXCEPTION_ROLLING_FILE
        ignoreExceptions: false
        fileName: D:/${log.path}/exception/${project.name}_exception.log
        filePattern: "D:/${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: 1
  Loggers:
    Root:
      level: info
      AppenderRef:
        - ref: CONSOLE
        - ref: ROLLING_FILE
        - ref: EXCEPTION_ROLLING_FILE
#   可以控制哪个包下是否可以输出(意义不大)
#    Logger:
#      - name: platform
#        level: info
#        additivity: true
#        AppenderRef:
#          - ref: CONSOLE
#          - ref: PLATFORM_ROLLING_FILE
#      - name: com.aa
#        level: error
#        additivity: true
#        AppenderRef:
#          - ref: EXCEPTION_ROLLING_FILE