spring.application.name=demo2
spring.datasource.url=jdbc:mysql://localhost:3306/数据库名字?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
spring.datasource.username=账号
spring.datasource.password=密码
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Drivermybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl