使用代码生成器生成的xml配置文件在java目录下

yml

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

pom

<resources>
    <resource> 
        <directory>src/main/java</directory> 
        <includes> 
            <include>**/*.xml</include>
        </includes>
    </resource>
    <resource>
        <directory>src/main/resources</directory> 
    </resource> 
</resources>