BlogJava-mashiguang-随笔分类-示例代码

开发常用文件

mashiguang — Thu, 11 Aug 2011 15:05:00 GMT

mashiguang 2011-08-11 23:05 发表评论

hibernate DetachedCriteria的使用

mashiguang — Thu, 11 Aug 2011 14:50:00 GMT

public PageModel<CrmWarning> query(PageModel<CrmWarning> pageModel)
            throws Exception {
        Assert.notNull(pageModel);

        DetachedCriteria dc = DetachedCriteria.forClass(CrmWarning.class);

        /*
         * 添加查询条件
         * 如:dc.add(Restrictions.like("key", "%"+pageModel.getCondition("key")+"%"));
         *
         * */
        if (null != pageModel.getCondition("warnLevel")) {
            dc.add(Restrictions.eq("warnLevel", pageModel.getCondition("warnLevel")));
        }
        if (StringUtils.isNotBlank((String)pageModel.getCondition("detail"))) {
            dc.add(Restrictions.like("detail", "%"+pageModel.getCondition("detail")+"%"));
        }
        if (StringUtils.isNotBlank((String)pageModel.getCondition("warnDate"))) {
            /*
             * warnDate格式是yyyy-MM-dd，这里改成查询这一天的预警
             * Restrictions.sqlRestriction()允许写原生sql的方式完成特殊需求，如下
             * */
            dc.add(Restrictions.sqlRestriction("to_char(time_start,'yyyy-MM-dd') = '" + pageModel.getCondition("warnDate") + "'"));
        }
        if (null != pageModel.getCondition("templateId")) {
            /*
             * 这里的templateId是模板的主键id,查询时应该转换成模板对象
             * */
            CrmWarnTemplate warnTemplate = new CrmWarnTemplate();
            warnTemplate.setTemplateId((Long)pageModel.getCondition("templateId"));
            dc.add(Restrictions.eq("crmWarnTemplate", warnTemplate));
        }

        dc.addOrder(Order.asc("crmWarnTemplate"));
        dc.addOrder(Order.desc("timeStart"));

        pageModel.setDateList(warningDao.query(dc, pageModel.getFirstNote(), pageModel.getNumInPage()));
        pageModel.setTotal(warningDao.count(dc));

        return pageModel;
    }

mashiguang 2011-08-11 22:50 发表评论

hibernate手动组装pojo

mashiguang — Thu, 11 Aug 2011 14:25:00 GMT

package com.jl.dao.bookplatform.impl;

import java.util.List;

import org.hibernate.Hibernate;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.transform.Transformers;
import org.springframework.dao.DataAccessException;

import com.jl.dao.baseDao.GenericDao;
import com.jl.dao.bookplatform.ProductItemDao;
import com.jl.entity.bookplatform.CrmProduct;
import com.jl.entity.bookplatform.CrmProductItem;
import com.jl.entity.bookplatform.ProductItemConfig;

public class ProductItemDaoImpl extends GenericDao<CrmProductItem, Long> implements ProductItemDao {


    public List<ProductItemConfig> getProductItemConfigs(Long productId, Long planetypeId) throws DataAccessException{
        String sql = "select chi.charge_item_id \"chargeItemId\"," +
                " chi.charge_item \"chargeItem\"," +
                " chi.charge_unit \"chargeUnit\"," +
                " cpi.product_id \"productId\"," +
                " cpi.product_item_id \"productItemId\"," +
                " cpi.sale_planetype_id \"salePlanetypeId\"," +
                " cpi.inland_price \"inlandPrice\"," +
                " cpi.outland_price \"outlandPrice\"" +
                " from (select * from crm_charge_item chi2 where chi2.if_regular = 1) chi left join crm_product_item cpi" +
                " on cpi.charge_item_id = chi.charge_item_id " +
                " and cpi.product_id = ?" +
                " and cpi.sale_planetype_id = ?" +
                " order by chi.charge_item_id";

        Session session = getSession();
        Query query = session.createSQLQuery(sql)
            .addScalar("chargeItemId", Hibernate.LONG)
            .addScalar("chargeItem",Hibernate.STRING)
            .addScalar("chargeUnit",Hibernate.STRING)
            .addScalar("productId",Hibernate.LONG)
            .addScalar("productItemId",Hibernate.LONG)
            .addScalar("salePlanetypeId",Hibernate.LONG)
            .addScalar("inlandPrice",Hibernate.DOUBLE)
            .addScalar("outlandPrice",Hibernate.DOUBLE)
            .setResultTransformer(Transformers.aliasToBean(ProductItemConfig.class))
            .setParameter(0, productId)
            .setParameter(1, planetypeId);

        List<ProductItemConfig> configs = query.list();

        return configs;
    }

    public List<CrmProductItem> getProductItem(CrmProduct product) throws DataAccessException {

        String hql = "from CrmProductItem cpi where cpi.crmProduct = ?";
        Session session = getSession();
        Query query = session.createSQLQuery(hql).setParameter(0, product);

        List<CrmProductItem> items = query.list();
        return items;
    }

    public void copy(Long productId_dest,Long productId_orig,String createMan) throws DataAccessException {
        String sql = "insert into crm_product_item " +
                " select hibernate_sequence.nextval," +
                " ?," +
                " cpi.charge_item_id," +
                " cpi.sale_planetype_id," +
                " cpi.inland_price," +
                " cpi.outland_price," +
                " ?," +
                " sysdate" +
                " from crm_product_item cpi" +
                " where cpi.product_id = ?";

        Session session = getSession();
        Query sqlQuery = session.createSQLQuery(sql)
                        .setParameter(0, productId_dest)
                        .setParameter(1, createMan)
                        .setParameter(2, productId_orig);
        sqlQuery.executeUpdate();
    }


}

mashiguang 2011-08-11 22:25 发表评论