hibernate 多条件组合查询 之 sql 拼接
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();
}
}
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