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2025-05-30 9f4747457755bbb147984b348d3ecf2790b04fe1 
 oying-system/src/main/java/com/oying/modules/message/service/impl/MessageSystemServiceImpl.java


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package com.oying.modules.message.service.impl;




import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;


import com.oying.modules.message.domain.MessageOrderLeave;


import com.oying.modules.message.domain.MessageSystem;


import com.oying.utils.FileUtil;


import lombok.RequiredArgsConstructor;


import com.baomidou.mybatisplus.extension.plugins.pagination.Page;


import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;


import com.oying.modules.message.service.MessageSystemService;


import com.oying.modules.message.domain.dto.MessageSystemQueryCriteria;


import com.oying.modules.message.mapper.MessageSystemMapper;


import org.springframework.stereotype.Service;


import org.springframework.transaction.annotation.Transactional;


import com.oying.utils.PageUtil;




import java.util.*;


import java.io.IOException;


import javax.servlet.http.HttpServletResponse;




import com.oying.utils.PageResult;




/**


 * @description 服务实现


 * @author 李萌


 * @date 2025-05-20


 **/


@Service


@RequiredArgsConstructor


public class MessageSystemServiceImpl extends ServiceImpl<MessageSystemMapper, MessageSystem> implements MessageSystemService {




    private final MessageSystemMapper messageSystemMapper;




    @Override


    public PageResult<MessageSystem> queryAll(MessageSystemQueryCriteria criteria, Page<Object> page){


        return PageUtil.toPage(messageSystemMapper.findAll(criteria, page));


    }




    @Override


    public List<MessageSystem> queryAll(MessageSystemQueryCriteria criteria){


        return messageSystemMapper.findAll(criteria);


    }




    @Override


    @Transactional(rollbackFor = Exception.class)


    public void create(MessageSystem resources) {


        messageSystemMapper.insert(resources);


    }




    @Override


    @Transactional(rollbackFor = Exception.class)


    public void update(MessageSystem resources) {


        MessageSystem messageSystem = getById(resources.getId());


        messageSystem.copy(resources);


        messageSystemMapper.updateById(messageSystem);


    }




    @Override


    @Transactional(rollbackFor = Exception.class)


    public void deleteAll(List<Integer> ids) {


        messageSystemMapper.deleteBatchIds(ids);


    }




    @Override


    public void download(List<MessageSystem> all, HttpServletResponse response) throws IOException {


        List<Map<String, Object>> list = new ArrayList<>();


        for (MessageSystem messageSystem : all) {


            Map<String, Object> map = new LinkedHashMap<>();


            map.put("系统维护开始时间", messageSystem.getStartTime());


            map.put("系统维护截至时间", messageSystem.getEndTime());


            list.add(map);


        }


        FileUtil.downloadExcel(list, response);


    }










}