How to use Springboot's yml configuration file

1. Service configuration

server:
  port: 8989
  servlet:
  	# context-path就是端口号与服务之间要加的一段路径，比如localhost:8080/wcm/login/login的/wcm就是
    context-path: /

2. Database connection

spring:
   datasource:
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://127.0.0.1:3306/jxc_manage?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
      username: root
      password: root
      # 数据库连接池
      hikari:
        # 连接池名
        pool-name: DateHikariCP
        # 最小空闲连接数
        minimum-idle: 5
        # 空闲连接存活最大时间，默认600000（10分钟）
        idle-timeout: 180000
        # 最大连接数，默认10
        maximum-pool-size: 10
        # 从连接池返回的连接的自动提交
        auto-commit: true
        # 连接最大存活时间，0表示永久存活，默认1800000（30分钟）
        max-lifetime: 1800000
        # 连接超时时间，默认30000（30秒）
        connection-timeout: 30000
        # 测试连接是否可用的查询语句
        connection-test-query: SELECT 1
        
   ## freemarker
   freemarker:
     suffix: .ftl
     content-type: text/html
     charset: UTF-8
     template-loader-path: classpath:/views/
     request-context-attribute: ctx
     settings:
        number_format: 0.##

3. Mybatis-Plus

# Mybatis-plus配置
mybatis-plus:
  #配置Mapper映射文件
  mapper-locations: classpath*:/mapper/*Mapper.xml
  # 配置MyBatis数据返回类型别名（默认别名是类名）
  type-aliases-package: com.lzj.admin.pojo
  configuration:
    # 自动驼峰命名
    map-underscore-to-camel-case: true

4. Log printing

## SQL 打印(方法接口所在的包，不是Mapper.xml所在的包)
logging:
  # 日志级别
  level:
    com.lzj.admin.mapper: debug
    
 ## 控制台日志输出格式
  pattern:
    console: '%d{2100-01-01 13:14:00.666} [%thread] %-5level %logger{50} - %msg%n'

5. Redis

#redis集群
spring:
  redis:
    host: 127.0.0.1
    port: 6379
    timeout: 20000
#    集群环境打开下面注释，单机不需要打开
#    cluster:
#      集群信息
#      nodes: xxx.xxx.xxx.xxx:xxxx,xxx.xxx.xxx.xxx:xxxx,xxx.xxx.xxx.xxx:xxxx
#      #默认值是5 一般当此值设置过大时，容易报：Too many Cluster redirections
#      maxRedirects: 3
    pool:
      max-active: 8
      min-idle: 0
      max-idle: 8
      max-wait: -1
    password:

Attachment: yml basic syntax

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