创建spring boot 项目所遇到的问题

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1.添加完MySQL和jdbc约束后，在配置文件内spring.datasource.driver-class-name=com.mysql.jdbc.Driver 报错，显示找不到驱动包，原因是：

<dependency>

            <groupId>mysql</groupId>

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

            <scope>provided</scope>

        </dependency>

添加上scope约束，重新导入就好了。然后再次启动项目，仍然报异常：

Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.

意思是驱动包内的驱动类换了，改为：spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver 后就好了。