14~15.mybatisplus基础示例

1. mapper层（dao）层

（1）接口

//BaseMapper<实体类>
public interface HospitalSetMapper extends BaseMapper<HospitalSet> {
}

（2）xml实现类

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!--namespace=实体类全限定名-->
<mapper namespace="com.heyu.yygh.mapper.HospitalSetMapper">
</mapper>

2. service

（2）接口

//IService<实体类>
public interface HospitalSetService extends IService<HospitalSet> {
}

（3）实现类

//ServiceImpl<dao接口, 实体类>
@Service
public class HospitalSetServiceImpl extends ServiceImpl<HospitalSetMapper, HospitalSet> implements HospitalSetService {
    //这里不用自动注入dao类
}