3.7、service-edu模块创建文件配置类

package com.wzy.serviceedu.config;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Configuration;
@Configuration//文件配置类
@MapperScan(value = "com.wzy.serviceedu.mapper")//扫描mapper接口
public class EduConfig {
}