hibernate 多条件组合查询 之 sql 拼接 
2007-07-13 09:35:44
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public static void main(String[] args) {
Session session = null;
Transaction tx = null;
List list = null;
Criteria criteria = null;
try {
session = HibernateSessionFactory.getSession();
tx = session.beginTransaction();
DetachedCriteria detachedCriteria = DetachedCriteria
.forClass(InfoTab.class);
String sql=" 1=1 ";
Integer pareaId = 0; // 父地区；
Integer careaId = 0; // 子地区；
Integer categoryId = 0; // 类别；
String infoPrivider = "中介"; // 来源；
String houseType= "地下室"; // 房屋类型；
Integer hxBedRoom=0; // 室；
Integer hxLivingRoom=0; // 厅；
String hzHouseStatus="有房出租"; // 合租类型;
String hzRequestSex="男"; // 性别要求；
String fixUp="尚未"; // 装修程度;
Integer lcHeightMolecuse=0; // 楼层；
String orientation="东南"; // 朝向要求;
Integer buildArea=2000; // 建筑面积；
Integer useArea=80; // 使用面积；
Integer rentalDigit=2000; // 租金/价格；
String title= "出租"; // 标题；
if(pareaId!=0)
{
sql+="pareaId=" + pareaId;
}
if(careaId!=0)
{
sql+=" and careaId=" + careaId;
}
if(categoryId!=0)
{
sql+=" and categoryId=" + categoryId;
}
if(!infoPrivider.equals(""))
{
sql+=" and infoPrivider='" + infoPrivider + "'";
}
if(!houseType.equals(""))
{
sql+=" and houseType='" + houseType +"'";
}
if(hxBedRoom!=0)
{
sql+=" and hxBedRoom=" + hxBedRoom;
}
if(hxLivingRoom!=0)
{
sql+=" and hxLivingRoom=" + hxLivingRoom;
}
if(!hzHouseStatus.equals(""))
{
sql+=" and hzHouseStatus='" + hzHouseStatus + "'";
}
if(!hzRequestSex.equals(""))
{
sql+=" and hzRequestSex='" + hzRequestSex +"'";
}
if(!fixUp.equals(""))
{
sql+=" and fixUp='" + fixUp + "'";
}
if(lcHeightMolecuse!=0)
{
sql+=" and lcHeightMolecuse=" + lcHeightMolecuse;
}
if(!orientation.equals(""))
{
sql+=" and orientation='" + orientation + "'";
}
if(buildArea!=0)
{
sql+=" and buildArea=" + buildArea;
}
if(useArea!=0)
{
sql+=" and useArea=" + useArea;
}
if(rentalDigit!=0)
{
sql+=" and rentalDigit=" + rentalDigit;
}
if(!title.equals(""))
{
sql+=" and title like '%" + title + "%'";
}
sql+=" order by id desc";
System.out.println(sql);
detachedCriteria.add(Restrictions.sqlRestriction(sql));
criteria = detachedCriteria.getExecutableCriteria(session);
list = criteria.list();
for(int i=0;i<list.size();i++)
{
InfoTab infoTab = (InfoTab)list.get(i);
System.out.println(infoTab.getTitle() +" "+ infoTab.getCategoryId() +" "+ infoTab.getPareaName() +" "+ infoTab.getCareaName() +" " + infoTab.getHouseType() +" " + infoTab.getInfoPrivider());
}
tx.commit();
} catch (HibernateException he) {
he.printStackTrace();
}
} 本文出自 “maomao” 博客，请务必保留此出处http://maomao.blog.51cto.com/115985/33883 本文出自 51CTO.COM技术博客 |
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