src/com/zzk/frame/LoginFrame.java

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package com.zzk.frame;

import javax.swing.ImageIcon;
import javax.swing.SwingUtilities;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Dimension;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Toolkit;
import javax.swing.JTextField;
import java.awt.GridBagConstraints;
import javax.swing.JPasswordField;
import java.awt.Insets;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.FlowLayout;
import javax.swing.SwingConstants;
import com.zzk.dao.UserDao;
import com.zzk.panel.BackgroundPanel;

import java.awt.Font;
import java.net.URL;

/**
 * 版权所有: 西安市华育国际学员
 * 
 * 完成日期： 2013-05-15
 * 
 * 项目出处： 编程词典
 * 
 * 服务社区： www.hygj.com
 * 
 * 制作人： 文敏
 *
 */
public class LoginFrame extends JFrame {

	private static final long serialVersionUID = 1L;
    private URL url = null;// 声明图片的URL
    private Image image=null;// 声明图像对象
    private BackgroundPanel jContentPane=null;// 声明背景面板
	private JTextField tf_user = null;
	private JPasswordField pf_pwd = null;
	private JLabel jLabel = null;
	private JLabel jLabel1 = null;
	private JPanel jPanel = null;
	private JButton btn_ok = null;
	private JButton jButton1 = null;
	private JLabel jLabel2 = null;
	
	/**
	 * This method initializes tf_user	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getTf_user() {
		if (tf_user == null) {
			tf_user = new JTextField();
			tf_user.addActionListener(new java.awt.event.ActionListener() {