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package com.yanzhen.mapper ; // 定义包名, 表示该接口属于com.yanzhen.mapper包
import java.util.List ; // 导入Java的List类, 用于处理列表数据结构
import java.util.Map ; // 导入Java的Map类, 用于处理键值对数据结构
import com.yanzhen.entity.SelectionDormitory ; // 导入SelectionDormitory实体类, 用于操作宿舍选择信息
public interface SelectionDormitoryMapper { // 定义SelectionDormitoryMapper接口, 提供对SelectionDormitory实体进行数据库操作的方法
public int create ( SelectionDormitory selectionDormitory ) ; // 创建一个新的SelectionDormitory记录, 返回影响的行数
public int delete ( Integer id ) ; // 根据id删除一个SelectionDormitory记录, 返回影响的行数
public int deleteByClazzId ( Integer clazzId ) ; // 根据clazzId删除SelectionDormitory记录, 返回影响的行数
public int update ( SelectionDormitory selectionDormitory ) ; // 更新一个SelectionDormitory记录, 返回影响的行数
public int updateSelective ( SelectionDormitory selectionDormitory ) ; // 选择性地更新一个SelectionDormitory记录, 返回影响的行数
public List < SelectionDormitory > query ( SelectionDormitory selectionDormitory ) ; // 根据条件查询SelectionDormitory记录, 返回符合条件的SelectionDormitory列表
public SelectionDormitory detail ( Integer id ) ; // 根据id查询一个SelectionDormitory记录的详细信息, 返回SelectionDormitory对象
public int count ( SelectionDormitory selectionDormitory ) ; // 根据条件统计SelectionDormitory记录的数量, 返回记录数量
}