Hql语句查询

/**
* 获取最早激活时间
*/
public String getStartDate() {
// TODO Auto-generated method stub

Session session=this.getSessionFactory().openSession();

String hql="select min(activ_time) from  r_device_active " ;
String list=new String();
Object results=session.createSQLQuery(hql).uniqueResult();

this.closeSession(session);
//没有记录
if(results == null || "".equals(results)){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(new Date());

}
return results.toString();
}

/**
* 获取某条件下的激活时间
*/
public List<String> getActiveDate(String tradeognm,String custnm,String productdutyempnm,String productnm,String startDate,String endsDate ) {
// TODO Auto-generated method stub
Session session=this.getSessionFactory().openSession();
String Hhql="";
if(startDate != null && !"".equals(startDate) && !"null".equals(startDate)){
Hhql += " and c.activ_time >='" + startDate + "'";
}

if(Hhql != null && !"".equals(endsDate) && !"null".equals(endsDate)){
Hhql += " and c.activ_time <='" + endsDate + "'";
}
String hql=" select c.activ_time  from r_patternoutlist a" +
" join r_product_info b on a.barcode=b.serial_no" +
" join r_device_active c on c.mac=b.mac  where a .tradeognm='"+tradeognm +"'and a.custnm='"+custnm+"' and a.productdutyempnm ='"+productdutyempnm+"'and a.productnm ='"+productnm+"'"+Hhql;

List<String> list=new ArrayList<String>();
//results 定义一个list Object
List<Object> results=session.createSQLQuery(hql).list();
try{

for(Object obj:results){
int i=0;
list.add(SimpleTools.CNull(obj).toString());
}
}catch(Exception e){
e.printStackTrace();
}
this.closeSession(session);
return list;
}

[code]

/**
* 获取工贸-门店-产品代表-型号
*/
public List<ManchineOpenedJson> getManchineOpenedJsonList(Page reportPage,HashMap<String, Object> param) {
// TODO Auto-generated method stub
Session session=this.getSessionFactory().openSession();

//工贸
String trade = (String)param.get("trade");
//门店
String store = (String)param.get("store");
//产品代表
String productDuty = (String)param.get("productDuty");
//产品型号
String product = (String)param.get("product");

//开始时间
String startDate = (String)param.get("startDate");
//结束时间
String endDate = (String)param.get("endDate");

String queryHql = "";
//查询条件
if(trade != null && !"".equals(trade) && !"null".equals(trade)){
queryHql += "and tradeognm='" + trade + "'";
}

if(store != null && !"".equals(store) && !"null".equals(store)){

queryHql += " and custnm='" + store + "'";

}
if(productDuty != null && !"".equals(productDuty) && !"null".equals(productDuty)){

queryHql += " and productdutyempnm='" + productDuty + "'";

}
if(product != null && !"".equals(product) && !"null".equals(product)){

queryHql+= " and productnm='" + product + "'";

}

if(startDate != null && !"".equals(startDate) && !"null".equals(startDate)){
queryHql += " and c.activ_time >='" + startDate + "'";
}

if(endDate != null && !"".equals(endDate) && !"null".equals(endDate)){
queryHql += " and c.activ_time <='" + endDate + "'";
}

String hql="select tradeognm, custnm,productdutyempnm, productnm,count(barcode) " +
"from r_patternoutlist a " +
" join r_product_info b on a.barcode=b.serial_no "+
"join r_device_active c on c.mac=b.mac "+
"where 1=1 " +queryHql+
" group by(tradeognm, custnm,productdutyempnm, productnm) order by tradeognm asc";
List<ManchineOpenedJson> list=new ArrayList<ManchineOpenedJson>();
//results 定义一个list Object[]
List<Object[]> results=session.createSQLQuery(hql).list();

//设置总记录数
reportPage.setRecordCount(results.size());
//需要分页
if(reportPage.isIfPage()){
int start = (reportPage.getCurrentPage() - 1) * reportPage.getPageSize();
int end   = (reportPage.getCurrentPage()) * reportPage.getPageSize();
if(end > results.size()){
end = results.size();
}
try{
results = results.subList(start, end);
}catch(Exception e){

}
}

ManchineOpenedJson m;

for(Object[] obj:results){
m=new ManchineOpenedJson();
int i=0;
//将查询字段 放到javaBean中
m.setTrade(obj[i].toString());
m.setStore(SimpleTools.CNull(obj[++i]));
m.setProductDuty(SimpleTools.CNull(obj[++i]));
m.setProduct(SimpleTools.CNull(obj[++i]));
m.setActiveSum(SimpleTools.CNull(obj[++i]));
list.add(m);
}

this.closeSession(session);
return list;
}