hibernate查询结果现实问题
程序代码:
public static void main(String[] args) {
UinfoDAO dao = new UinfoDAO();
Object obj = (Object)"wx";
try{
Uinfo uinfo = new Uinfo();
uinfo.setUname("wx");
Collection list = dao.findByUname(obj);
Iterator iter = list.iterator();
while (iter.hasNext()) {
System.out.println("Sign is :" + iter.next().toString());
}
}catch(HibernateException e){
System.out.println("Entity retrieval failed.");
e.printStackTrace();
}finally{
try{
dao.getSession().close();
}catch(Exception e){
//do nothing;
}
}
}
}
UinfoDAO dao = new UinfoDAO();
Object obj = (Object)"wx";
try{
Uinfo uinfo = new Uinfo();
uinfo.setUname("wx");
Collection list = dao.findByUname(obj);
Iterator iter = list.iterator();
while (iter.hasNext()) {
System.out.println("Sign is :" + iter.next().toString());
}
}catch(HibernateException e){
System.out.println("Entity retrieval failed.");
e.printStackTrace();
}finally{
try{
dao.getSession().close();
}catch(Exception e){
//do nothing;
}
}
}
}
结果为Sign is :com.genuitec.hibernate.Uinfo@1a3e41f
是查询方法不对,还是哪里不对啊?请大家帮帮忙
搜索更多相关主题的帖子:
hibernate 现实 obj iter 结果
----------------解决方案--------------------------------------------------------
输写出错了
把iter.next()赋给一个实体
在输出实体的属性
----------------解决方案--------------------------------------------------------
public static void main(String[] args) {
UinfoDAO dao = new UinfoDAO();
Object obj = (Object)"wx";
try{
Uinfo uinfo = new Uinfo();
uinfo.setUname("wx");
Collection list = dao.findByUname(obj);
Iterator iter = list.iterator();
while (iter.hasNext()) {
//问题在这里 iter.next()它获得的结果是一个对象,对象输出来的是该对象的一个地址
// Uinfo uinfo = (Uinfo)iter.next();
// System.out.println(uinfo.getUname());
System.out.println("Sign is :" + iter.next().toString());
}
}catch(HibernateException e){
System.out.println("Entity retrieval failed.");
e.printStackTrace();
}finally{
try{
dao.getSession().close();
}catch(Exception e){
//do nothing;
}
}
}
}
----------------解决方案--------------------------------------------------------