按照课程配置。

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-jpa</artifactId>

</dependency>

     <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-jdbc</artifactId>
     </dependency>

<dependency>
  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>

</dependency>

spring:
profiles:
active: dev
datasource:
     driver-class-name: com.mysql.jdbc.Driver
     url: jdbc:mysql://localhost:3306/dbgirl
     username: ****
     password: ***
jpa:
     hibernate:
     ddl-auto: create
     show-sql: true

运行报错。

Description:

Cannot determine embedded database driver class for database type NONE

Action:

If you want an embedded database please put a supported one on the classpath. If you have database settings to be loaded from a particular profile you may need to active it (no profiles are currently active).