包装VO分页查询底层代码

原文地址：http://blog.sina.com.cn/s/blog_77ed775e01012j68.html 

 

******************DAOImpl******************************

public Pagination queryCardInfoVO(String sql, String sqlCount, int pageNo, int pageSize){

int count = Integer.valueOf(String.valueOf(getSession().createSQLQuery(sqlCount).uniqueResult()));

Pagination p = new Pagination(pageNo, pageSize, count);

List<CardInfo> iList = getSession().createSQLQuery(sql).addEntity(CardInfo.class)

.setCacheable(false).setFirstResult(p.getFirstResult()).setMaxResults(p.getPageSize()).list();

List<CardInfoVO> cardInfoVOList = new ArrayList<CardInfoVO>();

for (CardInfo cardInfo : iList){

Float restMoney = Float.valueOf(cardInfoDetailManager.queryRestTotalMoney(cardInfo));

CardInfoVO cardInfoVO = new CardInfoVO();

cardInfoVO.setCardInfoId(cardInfo.getId());

cardInfoVO.setCardItemClass(cardInfo.getCardItemClass());

cardInfoVO.setCardStatus(cardInfo.getCardStatus());

cardInfoVO.setEndDate(cardInfo.getEndDate());

cardInfoVO.setMemberCardNumber(cardInfo.getMemberCardNumber());

cardInfoVO.setStartDate(cardInfo.getStartDate());

cardInfoVO.setSealMoney(cardInfo.getSealMoney());

cardInfoVO.setRestMoney(restMoney);

cardInfoVOList.add(cardInfoVO);

}

p.setList(cardInfoVOList);

if (null != p.getList()) {

logger.debug("findCardInfoVO Results success: {}", 0 != p.getList().size());

} else {

logger.debug("findCardInfoVO success: false");

}

return p;

}

 

 

 

******************ManagerImpl*****************************************

@Override

public Pagination findCardInfoVOPagination(int pageNo, int pageSize, Boolean flag, MemberBaseInfo memberInfo,

Map<String, Object> properties){

StringBuffer sql = new StringBuffer();

sql.append(" from mm_cardinfo where mbaseInfo_idkey =").append(memberInfo.getId());

if (properties.containsKey("memberCardNumber")){

sql.append(" and memberCardNumber ='").append(properties.get("memberCardNumber")).append("'");

}

if (properties.containsKey("cardItemClassId")){

sql.append(" and carditemclass_idkey =").append(Integer.valueOf(properties.get("cardItemClassId").toString()));

}

if (properties.containsKey("startDate")){

sql.append(" and startDate >='").append(properties.get("startDate")).append("'");

}

if (properties.containsKey("endDate")){

sql.append(" and endDate <'").append(properties.get("endDate")).append("'");

}

// 获取总数

StringBuffer countSql = new StringBuffer();

countSql.append("select count(*) ").append(sql.toString());

// 排序

StringBuffer querySql = new StringBuffer();

querySql.append("select * ").append(sql.toString());

querySql.append(" order by startDate desc");

logger.debug("querySql*******:{}",querySql.toString());

return getCardInfoDao().queryCardInfoVO(querySql.toString(), countSql.toString(), pageNo, pageSize);

}