Mybatis+mysql动态分页查询数据案例——房屋信息的实现类(HouseDaoMybatisImpl)

package cn.bdqn.mhouse.dao.impl;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import javax.print.attribute.standard.PagesPerMinute;

import org.apache.ibatis.session.SqlSession;

import cn.bdqn.mhouse.dao.IHouseDao;
import cn.bdqn.mhouse.entity.House;
import cn.bdqn.mhouse.entity.HouseCondition;
import cn.bdqn.mhouse.entity.Street;
import cn.bdqn.mhouse.entity.Types;
import cn.bdqn.mhouse.util.MybatisUtil;
import cn.bdqn.mhouse.util.Page;
/**
 * 
*    
* 项目名称：mhouse   
* 类名称：HouseDaoMybatisImpl   
* 类描述：   房屋信息的操作类
* 创建人：Mu Xiongxiong  
* 创建时间：2017-3-15 下午4:04:07   
* 修改人：Mu Xiongxiong   
* 修改时间：2017-3-15 下午4:04:07   
* 修改备注：   
* @version    
*
 */
public class HouseDaoMybatisImpl implements IHouseDao {

	House house=new House();
	/**
	 * (非 Javadoc)
	* <p>Title: deleteByPrimaryKey</p>
	* <p>Description(描述):根据id删除房屋信息 </p>
	* @param id
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#deleteByPrimaryKey(java.lang.Integer)
	 */
	@Override
	public int deleteByPrimaryKey(Integer id) {
		SqlSession session=MybatisUtil.getSession();
		int rel=0;
		try {
			rel = session.delete("houseDao.deleteByPrimaryKey",id);
			session.commit();
		} catch (Exception e) {
			// TODO 异常执行块！
			e.printStackTrace();
			session.rollback();
		}finally{
			MybatisUtil.closeSession();
		}
		return rel;
	}

	/**
	 * (非 Javadoc)
	* <p>Title: insert</p>
	* <p>Description(描述): 添加房屋信息</p>
	* @param record
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#insert(cn.bdqn.mhouse.entity.House)
	 */
	@Override
	public int insert(House record) {
		SqlSession session=MybatisUtil.getSession();
		int rel=0;
		try {
			rel = session.insert("houseDao.insert",record);
			session.commit();
		} catch (Exception e) {
			// TODO 异常执行块！
			e.printStackTrace();
		}finally{
			MybatisUtil.closeSession();
		}
		return rel;
	}

	/**
	 * (非 Javadoc)
	* <p>Title: selectByPrimaryKey</p>
	* <p>Description(描述):根据id查询房屋信息 </p>
	* @param id
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#selectByPrimaryKey(java.lang.Integer)
	 */
	@Override
	public House selectByPrimaryKey(Integer id) {
		SqlSession session=MybatisUtil.getSession();
		House house=null;
		try {
			house=session.selectOne("houseDao.selectByPrimaryKey",id);
			
		} catch (Exception e) {
			// TODO 异常执行块！
			e.printStackTrace();
		}finally{
			MybatisUtil.closeSession();
		}
		return house;
	}

	/**
	 * (非 Javadoc)
	* <p>Title: updateByPrimaryKey</p>
	* <p>Description(描述): 根据id修改房屋信息</p>
	* @param record
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#updateByPrimaryKey(cn.bdqn.mhouse.entity.House)
	 */
	@Override
	public int updateByPrimaryKey(House record) {
		SqlSession session=MybatisUtil.getSession();
		int rel=0;
		try {
			rel=session.update("houseDao.updateByPrimaryKey",record);
			session.commit();
		} catch (Exception e) {
			// TODO 异常执行块！
			e.printStackTrace();
			session.rollback();
		}finally{
			MybatisUtil.closeSession();
		}
		return rel;
	}

	/**
	 * (非 Javadoc)
	* <p>Title: reCount</p>
	* <p>Description(描述):动态查询总计录数</p>
	* @param housec
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#reCount(cn.bdqn.mhouse.entity.HouseCondition)
	 */
	@Override
	public int reCount(HouseCondition housec) {
		SqlSession session=MybatisUtil.getSession();
		Integer count=(Integer)session.selectOne("houseDao.reCount",housec);
		return count;
	}
	
	
	
	/**
	 * (非 Javadoc)
	* <p>Title: getHouseInfoByDymanic</p>
	* <p>Description:‘动态分页查询房屋信息</p>
	* @param housec
	* @param pageIndex
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#getHouseInfoByDymanic(cn.bdqn.mhouse.entity.HouseCondition, int)
	 */
	@Override
	public Page getHouseInfoByDymanic(HouseCondition housec,int pageIndex) {
		Page page=new Page();
		page.setPageIndex(pageIndex);      //当前页
		int reCount=reCount(housec);       
		page.setRecord(reCount);           //总记录数
		List<House> houseList=new ArrayList<House>();
		HashMap parMap=new HashMap();
		parMap.put("priceBegin",housec.getPriceBegin());
		parMap.put("priceEnd",housec.getPriceEnd());
		if(housec.getStreet()!=null){
		parMap.put("street",housec.getStreet());
		}
		if(housec.getTypes()!=null){
			parMap.put("types",housec.getTypes());
		}
		parMap.put("floorageBegin", housec.getFloorageBegin());
		parMap.put("floorageEnd",housec.getFloorageEnd());
		parMap.put("stratRow",page.getSartRow());
		parMap.put("endRow",page.getEndRow());
		SqlSession session=MybatisUtil.getSession();
		try {
			houseList=session.selectList("houseDao.getHouseInfoByDymanic",parMap);
			page.setHouseList(houseList);
		} catch (Exception e) {
			e.printStackTrace();
		}finally{
			MybatisUtil.closeSession();
		}
		return page;
	}

	/**
	 * (非 Javadoc)
	* <p>Title: getHouseInfo</p>
	* <p>Description:查询所有房屋信息 </p>
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#getHouseInfo()
	 */
	@Override
	public Page getHouseInfo() {
		SqlSession session=MybatisUtil.getSession();
		List<House> housel=session.selectList("houseDao.getHouseInfo");
		Page page=new Page();
		page.setHouseList(housel);
		return page;
	}

	/**
	 * (非 Javadoc)
	* <p>Title: getHousePage</p>
	* <p>Description(描述): 分页</p>
	* @param pageIndex
	* @param startRow
	* @param endRow
	* @return
	* @see cn.bdqn.mhouse.dao.IHouseDao#getHousePage(int, int, int)
	 */
	@Override
	public Page getHousePage(int pageIndex) {
		SqlSession session=MybatisUtil.getSession();
		HashMap parMap=new HashMap();
		Page page=new Page();
		HouseCondition housec=new HouseCondition();

		page.setPageIndex(pageIndex);                   //当前页
		parMap.put("startRow",page.getSartRow());      //开始记录
		parMap.put("endRow",page.getEndRow());        //结束记录
		page.setRecord(reCount(housec));             //总记录数
		List<House> housel=session.selectList("houseDao.getHousePage",parMap);
		page.setHouseList(housel);                 //详细信息
		return page;
	}

}