二手交易|校园二手交易小程序|基于微信小程序的闲置物品交易平台设计与实现(源码+数据库+文档)

package com.service.impl;
 
import com.utils.StringUtil;
import com.service.DictionaryService;
import com.utils.ClazzDiff;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.lang.reflect.Field;
import java.util.*;
import com.baomidou.mybatisplus.plugins.Page;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Transactional;
import com.utils.PageUtils;
import com.utils.Query;
import org.springframework.web.context.ContextLoader;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import com.dao.ShangpinDao;
import com.entity.ShangpinEntity;
import com.service.ShangpinService;
import com.entity.view.ShangpinView;
 
/**
 * 商品 服务实现类
 */
@Service("shangpinService")
@Transactional
public class ShangpinServiceImpl extends ServiceImpl<ShangpinDao, ShangpinEntity> implements ShangpinService {
 
    @Override
    public PageUtils queryPage(Map<String,Object> params) {
        Page<ShangpinView> page =new Query<ShangpinView>(params).getPage();
        page.setRecords(baseMapper.selectListView(page,params));
        return new PageUtils(page);
    }
 
 
}