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package com.jiudian.manage.mapper ;
import com.jiudian.manage.model.Config ;
import org.springframework.stereotype.Repository ;
//这段代码是一个 MyBatis 的 Mapper 接口，用于定义与数据库交互的操作
// * ConfigMapper接口
// * 定义与配置表相关的数据库操作
// 定义数据库操作的方法签名
//与对应的 XML 映射文件配合使用
//提供数据库访问的抽象层
@Repository // 标记为数据访问组件，
public interface ConfigMapper {
int deleteByPrimaryKey ( Integer id ) ;
/**
* 根据主键删除配置记录
* @return 影响的行数
*/
int insert ( Config record ) ;
int insertSelective ( Config record ) ;
Config selectByPrimaryKey ( Integer id ) ;
int updateByPrimaryKeySelective ( Config record ) ;
int updateByPrimaryKey ( Config record ) ;
}
