Springboot集成mybatis

        <!-- 通用Mapper启动器 -->
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper-spring-boot-starter</artifactId>
        </dependency>

public interface CategoryMapper extends Mapper<Category> {
}

@MapperScan("com.viuman.item.mapper")

@org.apache.ibatis.annotations.Mapper

        Category category = new Category();
        category.setParentId(pid);
        return categoryMapper.select(category);