returninfo.java

是Eclipse web开发从入门到精通的源码

package library.info;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.GregorianCalendar;
import java.util.List;

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.BookBrowse;
import library.main.HibernateUtil;

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

/**
 * 修改还书信息类
 * 
 * @author lianhw
 * 
 */
public class ReturnInfo extends JFrame implements ActionListener {

	JPanel panel1, panel2;

	Container container;

	JLabel tipLabel = new JLabel("输入还书者姓名和书名点击确定，将调出此书的相关信息");

	JLabel returnedBookStudentLabel, returnedBookNameLabel, returnedDateLabel,
			returnedCommentLabel;

	JTextField returnedBookStudentText, returnedBookNameText, returnedDateText,
			returnedCommentText;

	JButton clearButton, yesButton, updateButton, cancelButton;

	public ReturnInfo() {
		super("修改书籍还入信息");
		container = getContentPane();
		container.setLayout(new BorderLayout());
		container.add(tipLabel, BorderLayout.NORTH);
		// “还书者姓名”标签
		returnedBookStudentLabel = new JLabel("还书者姓名", JLabel.CENTER);
		// “书名”标签
		returnedBookNameLabel = new JLabel("书名", JLabel.CENTER);
		// “还书日期”标签
		returnedDateLabel = new JLabel("还书日期", JLabel.CENTER);
		// “备注”标签
		returnedCommentLabel = new JLabel("备注", JLabel.CENTER);
		// 输入还书学生姓名文本框
		returnedBookStudentText = new JTextField(15);
		// 输入还书名称文本框
		returnedBookNameText = new JTextField(15);
		// 输入还书日期文本框
		returnedDateText = new JTextField(15);
		// 输入还书备注文本框
		returnedCommentText = new JTextField(15);
		panel1 = new JPanel();
		panel1.setLayout(new GridLayout(4, 2));
		panel1.add(returnedBookStudentLabel);
		panel1.add(returnedBookStudentText);
		panel1.add(returnedBookNameLabel);
		panel1.add(returnedBookNameText);
		panel1.add(returnedDateLabel);
		panel1.add(returnedDateText);
		panel1.add(returnedCommentLabel);
		panel1.add(returnedCommentText);
		container.add(panel1, BorderLayout.CENTER);
		panel2 = new JPanel();
		panel2.setLayout(new GridLayout(1, 4));
		// “清空”按钮
		clearButton = new JButton("清空");
		// “确定”按钮
		yesButton = new JButton("确定");
		// “更新”按钮
		updateButton = new JButton("更新");
		// “取消”按钮
		cancelButton = new JButton("取消");
		// 为“清空”按钮添加监听者
		clearButton.addActionListener(this);
		// 为“确定”按钮添加监听者
		yesButton.addActionListener(this);
		// 为“更新”按钮添加监听者
		updateButton.addActionListener(this);
		updateButton.setEnabled(false);
		// 为“取消”按钮添加监听者
		cancelButton.addActionListener(this);
		panel2.add(clearButton);
		panel2.add(yesButton);
		panel2.add(updateButton);
		panel2.add(cancelButton);
		container.add(panel2, BorderLayout.SOUTH);
	}

	/**
	 * 动作响应方法，将修改后的出借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() == clearButton) {
			// 单击“清空”按钮，清空所有的文本框
			returnedBookStudentText.setText("");
			returnedBookNameText.setText("");
			returnedDateText.setText("");
			returnedCommentText.setText("");
		} else if (action.getSource() == cancelButton) {
			// 单击“退出”按钮不作任何事情
			this.dispose();
		} else if (action.getSource() == yesButton) {
			// 取得SessionFactory
			SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
			// 打开session
			Session session = sessionFactory.openSession();
			// 创建一个事务
			Transaction tx = session.beginTransaction();
			// hsql执行语句
			String hql = "from BookBrowse where studentName='"
					+ returnedBookStudentText.getText().trim()
					+ "'and bookName='" + returnedBookNameText.getText().trim()
					+ "'";
			// 执行查询
			Query userList = session.createQuery(hql);
			// 将查询结果放置到一个list链表中
			List list = userList.list();
			BookBrowse browse = (BookBrowse) list.get(0);
			returnedBookStudentText.setText(browse.getStudentName());
			returnedBookNameText.setText(browse.getBookName());
			returnedDateText.setText(browse.getBorrowDate().toString());
			returnedCommentText.setText(browse.getCom());
			updateButton.setEnabled(true);
			// 事务提交
			tx.commit();
			// 关闭session
			session.close();

		} else if (action.getSource() == updateButton) {
			// 取得SessionFactory
			SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
			// 打开session
			Session session = sessionFactory.openSession();
			// 创建一个事务
			Transaction tx = session.beginTransaction();
			BookBrowse browse2 = new BookBrowse();
			browse2.setBookName(returnedBookNameText.getText().trim());
			browse2.setStudentName(returnedBookStudentText.getText().trim());
			browse2.setBorrowDate(new GregorianCalendar().getTime());
			browse2.setCom(returnedCommentText.getText().trim());
			browse2.setReturnDate(new GregorianCalendar().getTime());
			session.saveOrUpdate(browse2);
			JOptionPane.showMessageDialog(null, "修改书籍成功！");
			// 事务提交
			tx.commit();
			// 关闭session
			session.close();

			this.dispose();

		}
	}
}