springboot配置数据源时,driver-class-name: com.mysql.jdbc.Driver标红？

问题：springboot配置数据源时,driver-class-name: com.mysql.jdbc.Driver标红？

datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/springboot_test
    username: root
    password: root

解决方法：是否配置mysql依赖

<dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.46</version>
</dependency>