springboot——集成 mybatis遇到的问题：No MyBatis mapper was found in '[com.example.demo]' package

步骤
1、pom 引入 依赖
mybatis-spring-boot-starter

2、启动类中 注解扫描mapper接口
@MapperScan(basePackages = "com.xxx.mapper")

 

 

 

 

3、配置文件application.properties中介入xml地址
mybatis.mapper-locations=classpath:mapper/*.xml