日期:2014-05-19 浏览次数:20877 次
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="entity.News" table="NEWS">
<id name="newId" >
<generator class="sequence">
<param name="sequence">NewsSequ</param>
</generator>
</id>
<properties name="newTitle"/>
<property name="newContent"/>
</class>
</hibernate-mapping
News ne=new News();
Configuration conf=new Configuration().configure();
SessionFactory sf=conf.buildSessionFactory();
Session se=sf.openSession();
se.load(ne,new Integer(1));
System.out.println(ne.getNewContent());
package entity;
public class News {
private int newId;
private String newTitle;
private String newContent;
public int getNewId() {
return newId;
}
public void setNewId(int newId) {
this.newId = newId;
}
public String getNewTitle() {
return newTitle;
}
public void setNewTitle(String newTitle) {
this.newTitle = newTitle;
}
public String getNewContent() {
return newContent;
}
public void setNewContent(String newContent) {
this.newContent = newContent;
}
}
News ne=new News();
Configuration conf=new Configuration().configure();
SessionFactory sf=conf.buildSessionFactory();
Session se=sf.openSession();
se.load(ne,new Integer(1));
System.out.println(ne.getNewContent());
------解决方案--------------------
你这写法怎么觉的异样呢,应该是News new=(News)se.load(News.class,new Integer(1));或是
News new=(News)se.load(ne.getClass(),new Integer(1));
------解决方案--------------------
给实体类News加2个构造方法,一个有参数的和一个无参数的
public News(){
}
public News(int newId,String newTitle,String newContent){
this.newId=newId;
this.newTitle=newTitle;
this.newContent=newContent;
}
------解决方案--------------------