乖乖，hibernate 居然会这样？？Why?
1。表名：tUser1
              CREATE   TABLE   [dbo].[tUser1]   (
[uid]   [int]   NOT   NULL   ,
[username]   [varchar]   (255)   COLLATE   Chinese_PRC_CI_AS   NULL   ,
[password]   [varchar]   (255)   COLLATE   Chinese_PRC_CI_AS   NULL  
)   ON   [PRIMARY]
GO

2。User.hbm.xml
    <?xml   version= "1.0 "   encoding= "UTF-8 "?>
<!DOCTYPE   hibernate-mapping   PUBLIC
                    "-//Hibernate/Hibernate   Mapping   DTD   3.0//EN "
                    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd ">
<hibernate-mapping>
<class   name= "com.hibernate.User "   table= "tUser1 ">
  <id   name= "uid "   column= "uid "   type= "java.lang.Integer ">  
    <generator   class= "increment "/>
  </id>
      <property   name= "username "/>
    <property   name= "password "/>
  </class>
  </hibernate-mapping>

3.class:         HibernateUtil

package   com.hibernate;

import   org.hibernate.HibernateException;
import   org.hibernate.Session;
import   org.hibernate.SessionFactory;
import   org.hibernate.cfg.Configuration;

public   class   HibernateUtil   {
private   static   final   SessionFactory   sessionFactory;
static{
try{
sessionFactory=new   Configuration().configure().buildSessionFactory();

}catch(Throwable   ex){
throw   new   ExceptionInInitializerError(ex);

}

}
public   static   final   ThreadLocal   session=new   ThreadLocal();

public   static   Session currentSession()throws   HibernateException{
Session   s=(Session)session.get();
if(s==null){
s=sessionFactory.openSession();
session.set(s);
}
return   s;
}

public   static   void   closeSession()throws   HibernateException{
Session   s=(Session)session.get();
session.set(   null);
if(s!=null){
s.close();

}
}

}

4   测试类   test.java
import   org.hibernate.HibernateException;
import   org.hibernate.Session;
import   org.hibernate.Transaction;

public   class   Test   {
public   static   void   main(String   args[]){
try{

Session   session=HibernateUtil.currentSession();
Transaction   tx=session.beginTransaction();

User   user=new   User();
user.setUsername( "中国 ");
user.setPassword( "123 ");
ses