bookdelete.java

是Eclipse web开发从入门到精通的源码

package library.book;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;

import library.hibernate.Books;
import library.main.HibernateUtil;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

/**
 * 书籍删除类，将指定名字的书籍从数据库中删除
 * 
 * @author lianhw
 * 
 */
public class BookDelete extends JFrame implements ActionListener {

	Container container;

	JLabel tipLabel = new JLabel("请输入要删除的书名：", JLabel.CENTER);

	JTextField bookDeleteText = new JTextField(15);

	JButton yesButton, exitButton;

	JPanel panel1 = new JPanel();

	public BookDelete() {
		super("删除书籍信息");
		container = getContentPane();
		container.setLayout(new BorderLayout());
		container.add(tipLabel, BorderLayout.NORTH);
		container.add(bookDeleteText, BorderLayout.CENTER);
		// “确定”按钮
		yesButton = new JButton("确定");
		// “退出”按钮
		exitButton = new JButton("退出");
		// 为“确定”按钮添加事件监听者
		yesButton.addActionListener(this);
		// 为“退出”按钮添加事件监听者
		exitButton.addActionListener(this);
		panel1.add(yesButton);
		panel1.add(exitButton);
		container.add(panel1, BorderLayout.SOUTH);
	}

	/**
	 * 动作响应方法，将修改后的图书信息提交到数据库中
	 * 
	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
	 */
	public void actionPerformed(ActionEvent action) {
		if (action.getSource() == exitButton) {
			// 单击“退出”按钮不作任何事情
			this.dispose();
		} else if (action.getSource() == yesButton) {
			// 单击“确定”按钮将图书从数据库中删除

			// 取得SessionFactory
			SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
			// 打开session
			Session session = sessionFactory.openSession();
			// 创建一个事务
			Transaction tx = session.beginTransaction();
			Books book = new Books();
			book.setBookName(bookDeleteText.getText().trim());
			session.delete(book);
			// 事务提交
			tx.commit();
			// 关闭session
			session.close();

			JOptionPane.showMessageDialog(null, "删除书籍成功！");
			this.dispose();
		}
	}
}