usermodify.java

是Eclipse web开发从入门到精通的源码

package library.user;

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

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

import library.hibernate.UserTable;
import library.main.HibernateUtil;

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

/**
 * 修改用户信息类，将新的用户注册信息保存到数据库中
 * 
 * @author lianhw
 * 
 */
public class UserModify extends JFrame implements ActionListener {

	JPanel panel1, panel2;

	Container container;

	JLabel userLabel, passwordLabel, newPasswordLabel, passwordConfirmLabel,loginPrivelegeLabel;

	JTextField userNameText;

	JPasswordField passwordText, newPasswordText, passwordConfirmText;

	JButton updateButton, cancelButton;

	JComboBox loginPrivelegeComboBox;

	public UserModify() {
		super("更改密码");
		container = getContentPane();
		container.setLayout(new BorderLayout());
		// “用户名”标签
		userLabel = new JLabel("用户名", JLabel.CENTER);
		// “原密码”标签
		passwordLabel = new JLabel("原密码", JLabel.CENTER);
		// “新密码”标签
		newPasswordLabel = new JLabel("新密码", JLabel.CENTER);
		// “确认新密码”标签
		passwordConfirmLabel = new JLabel("确认新密码", JLabel.CENTER);
		//“选择权限”标签
		loginPrivelegeLabel=new JLabel("登录权限", JLabel.CENTER);
		// 输入用户名文本框
		userNameText = new JTextField(10);
		// 输入密码文本框
		passwordText = new JPasswordField(10);
		// 输入新密码文本框
		newPasswordText = new JPasswordField(10);
		// 密码确认文本框
		passwordConfirmText = new JPasswordField(10);
		// 选择用户权限
		loginPrivelegeComboBox = new JComboBox();
		loginPrivelegeComboBox.addItem("系统管理员");
		loginPrivelegeComboBox.addItem("书籍管理员");
		loginPrivelegeComboBox.addItem("借阅管理员");
		// “更新”按钮
		updateButton = new JButton("更新");
		// “取消”按钮
		cancelButton = new JButton("取消");
		// 为“更新”按钮添加动作监听者
		updateButton.addActionListener(this);
		// 为“取消”按钮添加动作监听者
		cancelButton.addActionListener(this);
		panel1 = new JPanel();
		panel1.setLayout(new GridLayout(5, 2));
		panel1.add(userLabel);
		panel1.add(userNameText);
		panel1.add(passwordLabel);
		panel1.add(passwordText);
		panel1.add(newPasswordLabel);
		panel1.add(newPasswordText);
		panel1.add(passwordConfirmLabel);
		panel1.add(passwordConfirmText);
		panel1.add(loginPrivelegeLabel);
		panel1.add(loginPrivelegeComboBox);
		panel2 = new JPanel();
		panel2.add(updateButton);
		panel2.add(cancelButton);
		container.add(panel1, BorderLayout.CENTER);
		container.add(panel2, BorderLayout.SOUTH);
		// 设置窗口的大小
		setSize(300, 300);

	}

	/**
	 * 动作响应方法，修改用户的注册信息
	 * 
	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
	 */
	public void actionPerformed(ActionEvent action) {
		if (action.getSource() == cancelButton) {
			// 单击“取消”按钮不作任何事情
			this.dispose();
		} else if (action.getSource() == updateButton) {

			// 单击“更新”按钮将新的用户信息保存到数据库中
			char[] password = passwordText.getPassword();
			// 将密码转成会字符串
			String passwordStr = new String(password);
			char[] newPassword = newPasswordText.getPassword();
			String newPasswordStr = new String(newPassword);
			char[] confirmPassword = passwordConfirmText.getPassword();
			String confirmPasswordStr = new String(confirmPassword);
			// 判断输入的用户名是否为空
			if (userNameText.getText().trim().equals("")) {
				JOptionPane.showMessageDialog(null, "用户名不能为空！");
			} else if (passwordStr.equals("")) {
				// 判断输入的密码是否为空
				JOptionPane.showMessageDialog(null, "原密码不能为空！");
			} else if (!newPasswordStr.equals(confirmPasswordStr)) {
				// 判断输入的新密码和确认密码是否一致
				JOptionPane.showMessageDialog(null, "两次输入的新密码不一致！");
			} else {

				// 取得SessionFactory
				SessionFactory sessionFactory = HibernateUtil
						.getSessionFactory();
				// 打开session
				Session session = sessionFactory.openSession();
				// 创建一个事务
				Transaction tx = session.beginTransaction();
				// 创建UserTable对象
				UserTable user = new UserTable();
				// 设置user对象的名字
				user.setUserName(userNameText.getText().trim());
				// 设置user对象的密码
				user.setPassword(newPasswordText.getText().trim());
				// 设置user对象的权限
				user.setPower(loginPrivelegeComboBox.getSelectedItem()+"");
				// 保存user对象
				session.saveOrUpdate(user);
				// 事务提交
				tx.commit();
				// 关闭session
				session.close();
				this.dispose();
			}
		}

	}
}