?? userdaoimpl.java
字號:
package com.myExam.dao.impl;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.myExam.bean.User;
import com.myExam.dao.UserDAO;
public class UserDAOImpl extends HibernateDaoSupport implements UserDAO{
private SessionFactory sessionFactory;
private String hql = "from User u where u.username = ?";
//查詢用戶
public User query(String name) {
User user = null;
//如果查詢結果為空
if (this.getHibernateTemplate().find(hql, name) == null ) {
user = null;
} else {
//不為空時,取第一筆
user = (User)(this.getHibernateTemplate().find(hql, name).get(0));
}
return user;
}
//新增用戶
public void insert(User user) {
this.getHibernateTemplate().save(user);
}
//修改用戶
public void update(User user) {
this.getHibernateTemplate().update(user);
}
//刪除用戶
public void delete(User user) {
this.getHibernateTemplate().delete(user);
}
}
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