How SpringBoot configures tomcat access_log log

Configure the tomcat accesslog log in the configuration file application.yml:

server:
  port: 80
  tomcat:
    accesslog:
      enabled: true
      directory: D:\Documents\D_代码相关\J_java\sprintboot_study
      prefix: tomcat_access_log
      suffix: .log
      file-date-format: -yyyy-MM-dd
      pattern: '%{X-Real-IP}i - %{Host}i %t "%r" %{Content-Length}i %s %b %D "%{Referer}i" "%{User-Agent}i" %a "%I" "-"'
      rotate: true

Log recording format (pattern), refer to the form:

nginx log log_format:

log_format main '$http_x_real_ip - $http_host [$time_local] "$request" $request_length '
                             '$status $body_bytes_sent $request_time "$http_referer" '
                             '"$http_user_agent" $remote_addr "-" "-" ';

tomcat access log pattern:

pattern: '%{X-Real-IP}i - %{Host}i %t "%r" %{Content-Length}i'
              '%s %b %D "%{Referer}i"'
             '"%{User-Agent}i" %a "%I" "-"'

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