spring boot 数据源配置YAML格式

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=false&allowMultiQueries=true&serverTimezone=Hongkong&allowPublicKeyRetrieval=true
    username: root
    password: 123456
    driver-class-name: com.mysql.cj.jdbc.Driver
    hikari:
      connection-test-query: SELECT 1 FROM DUAL
      connection-timeout: 30000
      maximum-pool-size: 20
      max-lifetime: 1800000
      minimum-idle: 5

原文地址：https://www.cnblogs.com/chuyuan/p/11994552.html