?? examdaoimpl.java
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package com.myExam.dao.impl;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.myExam.bean.Exam;
import com.myExam.dao.ExamDAO;
public class ExamDAOImpl extends HibernateDaoSupport implements ExamDAO{
private SessionFactory sessionFactory;
private String hql = "from Exam u where u.id = ?";
private String hql1 = "from Exam u ";
// 查詢多筆試卷
public List queryList() {
List list = new ArrayList();
list = this.getHibernateTemplate().find(hql1);
return list;
}
//查詢試卷
public Exam query(int id) {
Exam exam = null;
//如果查詢結(jié)果為空
if (this.getHibernateTemplate().find(hql, id) == null ) {
exam = null;
} else {
//不為空時,取第一筆
exam = (Exam)(this.getHibernateTemplate().find(hql, id).get(0));
}
return exam;
}
//新增試卷
public void insert(Exam exam) {
this.getHibernateTemplate().save(exam);
}
//修改試卷
public void update(Exam exam) {
this.getHibernateTemplate().update(exam);
}
//刪除試卷
public void delete(Exam exam) {
this.getHibernateTemplate().delete(exam);
}
}
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