hibernate中criteria查询

package com.tudou.hibernates.t1;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Expression;
import org.hibernate.criterion.Order;

public class TestGetCriteria {
	private static Configuration cfg = new Configuration().configure();
	private static SessionFactory fac = cfg.buildSessionFactory();
	private static Session son = fac.openSession();
	private static Transaction tr = son.beginTransaction();

	// Criteria查询
	public static void criteriaSelect() {
		Criteria cri = son.createCriteria(Card.class);
		List<Card> cards = cri.list();
		for (Card c : cards) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
	}

	// Criteria条件查询
	public static void criteriaSelectByExpressionEq() {
		Criteria cri = son.createCriteria(Card.class);
		cri.add(Expression.eq("cardName", "传奇世界"));
		List<Card> cards = cri.list();
		for (Card c : cards) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
	}

	// Criteria模糊条件查询
	public static void criteriaSelectByExpressionLike() {
		Criteria cri = son.createCriteria(Card.class);
		cri.add(Expression.like("cardName", "%世界%"));
		List<Card> cards = cri.list();
		for (Card c : cards) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
	}

	// Criteria分页查询
	public static void criteriaByPage() {
		Criteria cri = son.createCriteria(Card.class);
		cri.setFirstResult(0);
		cri.setMaxResults(3);
		List<Card> cards1 = cri.list();
		for (Card c : cards1) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
		cri.setFirstResult(3);
		List<Card> cards2 = cri.list();
		for (Card c : cards2) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
	}

	// Criteria分页排序查询
	public static void criteriaByPageOrder() {
		Criteria cri = son.createCriteria(Card.class);
		cri.setFirstResult(0);
		cri.setMaxResults(6);
		cri.addOrder(Order.desc("createDate"));
		List<Card> cards1 = cri.list();
		for (Card c : cards1) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
		cri.setMaxResults(3);
		cri.addOrder(Order.desc("createDate"));
		List<Card> cards = cri.list();
		for (Card c : cards) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
		cri.setFirstResult(3);
		cri.setMaxResults(3);
		cri.addOrder(Order.desc("createDate"));
		List<Card> cards2 = cri.list();
		for (Card c : cards2) {
			System.out.println(c.getCardName() + "\t" + c.getCreateDate());
		}
	}

	// 程序入口
	public static void main(String[] args) {
		// 测试方法
		criteriaByPageOrder();

		tr.commit();
		son.close();
		fac.close();
	}
}