由于我不需要数据库，启动springboot报错：
Cannot determine embedded database driver class for database type NONE
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).
删掉pom里全部相关数据库的jar，也exclude相关DataSource的class，都不能解决，报错依旧。最后：
pom增加：
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
完整的：
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<!-- Cannot determine embedded database driver class for database type
NONE 不需要调用数据源解决方法 -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
</dependencies>
注意：参考了以下网址方法，但并不能解决问题。
https://blog.csdn.net/hengyunabc/article/details/78762097