reggui.java

实现了一些关与股票的功能 希望对大家有一些帮助

package gui;

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.SQLException;

import javax.swing.JButton;
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 model.Conn;
import model.Database;
import vo.UserinfoVO;

public class Reggui extends JFrame implements ActionListener {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private Connection conn = null;

	private JPanel jp1 = null;

	private JPanel jp2 = null;

	private JTextField tf_name = null;

	private JPasswordField pf_pwd = null;

	private JLabel l_name = null;

	private JLabel l_pwd = null;

	private JButton ok = null;

	private JButton cancel = null;

	private JButton clear = null;

	public Reggui(){
		try {
			conn = new Conn().getConnection();
		} catch (ClassNotFoundException e) {
			JOptionPane.showMessageDialog(null, "数据库连接错误！");
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			JOptionPane.showMessageDialog(null, e.getMessage());
		}
		jp1 = new JPanel(new GridLayout(2, 2, 5, 5));
		jp2 = new JPanel(new GridLayout(1, 3, 10, 10));
		tf_name = new JTextField(15);
		pf_pwd = new JPasswordField(15);
		l_name = new JLabel("用  户  名：", JLabel.CENTER);
		l_pwd = new JLabel("密        码：", JLabel.CENTER);
		ok = new JButton("确定");
		cancel = new JButton("注册");
		cancel = new JButton("取消");
		clear = new JButton("清空");

		jp1.add(l_name);
		jp1.add(tf_name);
		jp1.add(l_pwd);
		jp1.add(pf_pwd);

		jp2.add(ok);
		jp2.add(cancel);
		jp2.add(clear);

		this.add(jp1);
		this.add(jp2, BorderLayout.SOUTH);
		this.pack();
		this.setVisible(true);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		ok.addActionListener(this);
		cancel.addActionListener(this);
		clear.addActionListener(this);
	}

	/*
	 * public static void main(String arg[]) throws ClassNotFoundException,
	 * SQLException{ Logingui lg = new Logingui(); }
	 */

	public void actionPerformed(ActionEvent e) {
		if (e.getSource().equals(ok)) {
			String username = tf_name.getText().trim();
			String password = pf_pwd.getText().trim();
			if(username != null && password != null && !"".equals(username) && !"".equals(password)){
			try {
				UserinfoVO uvo = new UserinfoVO();
				uvo.setUsername(username);
				uvo.setPassword(password);
				System.out.println(uvo.getUsername());
				new Database().regist(uvo);
				JOptionPane.showMessageDialog(null, "注册成功！");
				this.setVisible(false);
				Logingui lg = new Logingui();
				lg.setVisible(true);
			} catch (SQLException e1) {
				JOptionPane.showMessageDialog(null, e1.getMessage());
				tf_name.setText("");
				pf_pwd.setText("");
				return;
			} catch (ClassNotFoundException e1) {
				JOptionPane.showMessageDialog(null, "数据库连接错误！");
			}
			}
			else{
				JOptionPane.showMessageDialog(null, "用户名或密码错误，请重新输入！");
			}
			
		}

		if (e.getSource().equals(cancel)) {
			JOptionPane.showMessageDialog(null, "感谢使用本系统");
			return;
		}

		if (e.getSource().equals(clear)) {
			tf_name.setText("");
			tf_name.setText("");
			return;
		}

	}
}