spring-cloud-alibaba/spring-cloud-alibaba-examples/integrated-example/config/datasource-config.yaml

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    username: root
    password: 123456
  main:
    allow-bean-definition-overriding: true
mybatis:
  configuration:
    map-underscore-to-camel-case: true