SpringBoot configuration mapper.xml file specified

1. Introduce dependencies

<dependency>
  <groupId>com.baomidou</groupId>
  <artifactId>mybatis-plus-boot-starter</artifactId>
  <version>3.4.1</version>
</dependency>

2. application.yml configuration

Specific write configuration

mybatis-plus:
  mapper-locations: classpath:com/suke/srb/core/mapper/xml/*.xml

shorthand configuration 

mybatis-plus:
  mapper-locations: classpath:/mapper/*.xml