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package com.aurora.mapper;// 在Maven项目中，mapper包通常位于数据访问层，专门负责与数据库的交互操作
import com.aurora.entity.About;//导入和数据库对应的实体类About,接口操作的就是这个实体类对应的数据库表
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.springframework.stereotype.Repository;
@Repository //标注在接口上，用于标记这是一个数据访问层的组件，避免IDE报“找不到Bean"的警告，让Spring扫描并管理该Bean
public interface AboutMapper extends BaseMapper<About> {
//AboutMapper可以直接使用BaseMapper里的基础CRUD方法来操作About对应的数据库表（about），无需手动编写基础的SQL语句
}
