我自己写了一个测试类测试DAO,结果遇到了getHibernateTemplate()为空的问题,没法操作数据库。以下是我的dao类和测试类。DAO
package com.ssh.dao;import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;import com.ssh.hibernate.pojo.IGroup;public class GroupDAO extends HibernateDaoSupport{
private static GroupDAO _instance = null;
private GroupDAO(){
}
public static GroupDAO getInstance(){
if(_instance==null)
_instance = new GroupDAO();
return _instance;
}
public int saveGroup(IGroup ig){
int result = -1;
System.out.println(getHibernateTemplate());
getHibernateTemplate().save(ig);
return result;
}
}TEST
package com.ssh.test;import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;import com.ssh.dao.GroupDAO;
import com.ssh.hibernate.pojo.IGroup;public class TestGroupDAO {
public void testSaveGroup(){
IGroup ig = new IGroup();
ig.setMemo("ewrewrw");
ig.setNameEn("ee");
ig.setNameZh("ee");
int result = GroupDAO.getInstance().saveGroup(ig);
System.out.println(result);
}
public static void main(String[] args){
TestGroupDAO t = new TestGroupDAO();
t.testSaveGroup();
}
}一天了,还没找到什么原因,请大家指点。谢谢!
package com.ssh.dao;import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;import com.ssh.hibernate.pojo.IGroup;public class GroupDAO extends HibernateDaoSupport{
private static GroupDAO _instance = null;
private GroupDAO(){
}
public static GroupDAO getInstance(){
if(_instance==null)
_instance = new GroupDAO();
return _instance;
}
public int saveGroup(IGroup ig){
int result = -1;
System.out.println(getHibernateTemplate());
getHibernateTemplate().save(ig);
return result;
}
}TEST
package com.ssh.test;import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;import com.ssh.dao.GroupDAO;
import com.ssh.hibernate.pojo.IGroup;public class TestGroupDAO {
public void testSaveGroup(){
IGroup ig = new IGroup();
ig.setMemo("ewrewrw");
ig.setNameEn("ee");
ig.setNameZh("ee");
int result = GroupDAO.getInstance().saveGroup(ig);
System.out.println(result);
}
public static void main(String[] args){
TestGroupDAO t = new TestGroupDAO();
t.testSaveGroup();
}
}一天了,还没找到什么原因,请大家指点。谢谢!
<bean id="ModelDAO" class="org.giis.dao.impl.ModelDAOImpl">
<property name="sessionFactory">
<ref bean="SessionFactory" />
</property>
</bean>