application2.yml

spring:

  # 应用名称

  application:

     name: demo

  datasource:

    # 驱动如果是8+,那么driverClass和url都需要改变，url需要添加serverTimezone=UTC

    driver-class-name: com.mysql.jdbc.Driver

    url: jdbc:mysql://172.0.0.1:3306/db_name

    username: root

    password: root