oyingServer.git

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

			import com.oying.modules.system.domain.UserMerchant;
			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.system.service.UserMerchantService;
			import com.oying.modules.system.domain.dto.UserMerchantQueryCriteria;
			import com.oying.modules.system.mapper.UserMerchantMapper;
			import org.springframework.stereotype.Service;
			import org.springframework.transaction.annotation.Transactional;
			import com.oying.utils.PageUtil;
			import java.util.List;
			import java.util.Map;
			import java.io.IOException;
			import javax.servlet.http.HttpServletResponse;
			import java.util.ArrayList;
			import java.util.LinkedHashMap;
			import com.oying.utils.PageResult;

			/**
			* @description 服务实现
			* @author lixin
			* @date 2025-06-16
			**/
			@Service
			@RequiredArgsConstructor
			public class UserMerchantServiceImpl extends ServiceImpl<UserMerchantMapper, UserMerchant> implements UserMerchantService {

			private final UserMerchantMapper userMerchantMapper;

			@Override
			public PageResult<UserMerchant> queryAll(UserMerchantQueryCriteria criteria, Page<Object> page){
			return PageUtil.toPage(userMerchantMapper.findAll(criteria, page));
			}

			@Override
			public List<UserMerchant> queryAll(UserMerchantQueryCriteria criteria){
			return userMerchantMapper.findAll(criteria);
			}

			@Override
			@Transactional(rollbackFor = Exception.class)
			public void create(UserMerchant resources) {
			userMerchantMapper.insert(resources);
			}

			@Override
			@Transactional(rollbackFor = Exception.class)
			public void update(UserMerchant resources) {
			UserMerchant userMerchant = getById(resources.getUserId());
			userMerchant.copy(resources);
			userMerchantMapper.updateById(userMerchant);
			}

			@Override
			@Transactional(rollbackFor = Exception.class)
			public void deleteAll(List<Long> ids) {
			userMerchantMapper.deleteBatchIds(ids);
			}

			@Override
			public void download(List<UserMerchant> all, HttpServletResponse response) throws IOException {
			List<Map<String, Object>> list = new ArrayList<>();
			for (UserMerchant userMerchant : all) {
			Map<String, Object> map = new LinkedHashMap<>();
			map.put("角色类型", userMerchant.getRoleType());
			map.put("权限集（备用）", userMerchant.getPermissions());
			map.put("创建者", userMerchant.getCreateBy());
			map.put("创建时间", userMerchant.getCreateTime());
			map.put("更新者", userMerchant.getUpdateBy());
			map.put("更新时间", userMerchant.getUpdateTime());
			list.add(map);
			}
			FileUtil.downloadExcel(list, response);
			}
			}