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
正解：因为spring boot只要你在pom中引入了mybatis-spring-boot-starter 他就会默认需要加载数据库相关的配置
可以加上
@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})