2.20 javaweb

#?????
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
#???????url
spring.datasource.url=jdbc:mysql://localhost:3306/test
#?????????
spring.datasource.username=root
#??
spring.datasource.password=123456
#??mybatis?????????????
mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
#kaiqi tuofengmingming zidongyingshe kaiguan
mybatis.configuration.map-underscore-to-camel-case=true

进行mysql 库的连接，与设置