application.yml数据库配置

1. 在pom.xml数据库sdk版本设置

2. application.yml中进行数据库连接信息配置

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/test1?characterEncoding=utf-8&serverTimezone=GMT%2B8
    username: root
    password: 123456
    driver-class-name: com.mysql.cj.jdbc.Driver
   
mybatis:
  mapper-locations: classpath:mapper/*Mapper.xml
  type-aliases-package: com.test.elasticsearchdemo.domain

参考1：https://blog.csdn.net/m0_55578242/article/details/119027084

参考2：https://blog.csdn.net/qq_43141611/article/details/108024978