《java---高仿QQ登陆界面》---完全手写

package com.fenghuo.view;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseMotionListener;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JRootPane;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;

import com.fenghuo.utils.ViewUthil;

public class LoginView extends JFrame{
	private static final long serialVersionUID = 7410365204674471699L;

	private JLabel username_JLabel = null;
	private JLabel password_JLabel = null;
	private JLabel forgotPwd_JLabel = null;
	private JLabel register_JLabel = null;
	private JLabel login_JLabel = null; 
	private JLabel close_JLabel = null;
	private JLabel head_JLabel = null;
	private JLabel advert_JLabel = null;
	
	private JPanel up_JPanel = null;
	private JPanel south_JPanel = null;
	private JPanel north_JPanel = null;
	private JPanel west_JPanel = null;
	
	private JTextField username_JTextField = null;
	private JTextField password_JTextField = null;
	private JButton login_JButton = null;
	private JButton cancel_JButton = null;
	private JCheckBox remeber_JCheckBox = null;
	private JCheckBox hide_JCheckBox = null;
	private JCheckBox auto_JCheckBox = null;
	
	Icon login_ImageIcon_normal = new ImageIcon(getClass().getResource("/com/fenghuo/resource/button_normal.png"));
	Icon login_ImageIcon_press = new ImageIcon(getClass().getResource("/com/fenghuo/resource/button_press.png"));
	Icon login_ImageIcon_normal_press = new ImageIcon(getClass().getResource("/com/fenghuo/resource/button_normal_press.png"));
	Icon close_ImageIcon_normal = new ImageIcon(getClass().getResource("/com/fenghuo/resource/btn_close_normal.png"));
	Icon close_ImageIcon_down = new ImageIcon(getClass().getResource("/com/fenghuo/resource/btn_close_down.png"));
	Icon close_ImageIcon_highlight = new ImageIcon(getClass().getResource("/com/fenghuo/resource/btn_close_highlight.png"));
	Icon head_ImageIcon_login = new ImageIcon(getClass().getResource("/com/fenghuo/resource/head_img.png"));
	Icon advert_ImageIcon_login = new ImageIcon(getClass().getResource("/com/fenghuo/resource/advert_img.png"));
	Icon mima_ImageIcon_press = new ImageIcon(getClass().getResource("/com/fenghuo/resource/mima_press.png"));
	Icon mima_ImageIcon_hover = new ImageIcon(getClass().getResource("/com/fenghuo/resource/mima_hover.png"));
	Icon zhuce_ImageIcon_press = new ImageIcon(getClass().getResource("/com/fenghuo/resource/zhuce_press.png"));
	Icon zhuce_ImageIcon_hover = new ImageIcon(getClass().getResource("/com/fenghuo/resource/zhuce_hover.png"));
	
	ImageIcon  background = new ImageIcon(getClass().getResource("/com/fenghuo/resource/background_blue.png"));
	JLabel backImage;
	JPanel backPanel;
	
	private int WIDTH;
	private int HEIGHT;
	// 鼠标的在空件上的位置
	public static int M_X;
	public static int M_Y;
	
	public LoginView(){
		try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (Exception e) {
			e.printStackTrace();
		}
		// 初始化界面范围
		this.WIDTH = background.getIconWidth();
		this.HEIGHT = background.getIconHeight();
		// 设置整体的背景图
		backImage = new JLabel(background);
		backImage.setBounds(0, 0, background.getIconWidth(),background.getIconHeight());
		backPanel = (JPanel) this.getContentPane();
		backPanel.setOpaque(false);
		this.getLayeredPane().setLayout(null);
		this.getLayeredPane().add(backImage, new Integer(Integer.MIN_VALUE));
		backPanel.setLayout(new BorderLayout());
		
		// 北部布局
		north_JPanel = new JPanel();
		north_JPanel.setLayout(null);
		north_JPanel.setOpaque(false);
		north_JPanel.setPreferredSize(new Dimension(background.getIconWidth(), (close_ImageIcon_normal.getIconHeight())+90));
		
		close_JLabel = new JLabel(close_ImageIcon_normal);
		close_JLabel.setBounds(this.WIDTH-close_ImageIcon_normal.getIconWidth(), 0, close_ImageIcon_normal.getIconWidth(), close_ImageIcon_normal.getIconHeight()); 

		advert_JLabel = new JLabel(advert_ImageIcon_login);
		advert_JLabel.setBounds(1, close_ImageIcon_normal.getIconHeight()+5, advert_ImageIcon_login.getIconWidth(), advert_ImageIcon_login.getIconHeight());
		
		north_JPanel.add(close_JLabel);
		north_JPanel.add(advert_JLabel);
		
		// 西部布局
		west_JPanel = new JPanel(null);
		west_JPanel.setOpaque(false);
		west_JPanel.setPreferredSize(new Dimension(head_ImageIcon_login.getIconWidth()+25, head_ImageIcon_login.getIconHeight()));
		head_JLabel = new JLabel(head_ImageIcon_login);
		head_JLabel.setBounds(20, 10, head_ImageIcon_login.getIconWidth(), head_ImageIcon_login.getIconHeight());
		west_JPanel.add(head_JLabel);
		
		// 中间布局
		up_JPanel = new JPanel(new GridLayout(3,3));
		up_JPanel.setOpaque(false);
//		up_JPanel.setPreferredSize(new Dimension(250, 100));
		
		username_JLabel = new JLabel("账号",JLabel.CENTER);
		password_JLabel = new JLabel("密码",JLabel.CENTER);
		forgotPwd_JLabel = new JLabel(mima_ImageIcon_press, JLabel.CENTER);
		register_JLabel = new JLabel(zhuce_ImageIcon_press, JLabel.CENTER);
		username_JTextField = new JTextField();
		username_JTextField.setPreferredSize(new Dimension(150, 10));
		password_JTextField = new JPasswordField(10);
		remeber_JCheckBox = new JCheckBox("记住密码");
		hide_JCheckBox = new JCheckBox("隐身登陆");
		auto_JCheckBox = new JCheckBox("自动登陆");
		remeber_JCheckBox.setOpaque(false);
		hide_JCheckBox.setOpaque(false);
		auto_JCheckBox.setOpaque(false);
		up_JPanel.setBackground(new Color(202, 231, 244));
		
		up_JPanel.add(username_JLabel);
		up_JPanel.add(username_JTextField);
		up_JPanel.add(forgotPwd_JLabel);
		
		up_JPanel.add(password_JLabel);
		up_JPanel.add(password_JTextField);
		up_JPanel.add(register_JLabel);
		
		up_JPanel.add(remeber_JCheckBox);
		up_JPanel.add(auto_JCheckBox);
		up_JPanel.add(hide_JCheckBox);
		
		// 南部布局
		south_JPanel = new JPanel();
		south_JPanel.setOpaque(false);
		south_JPanel.setPreferredSize(new Dimension(WIDTH, 60));
		login_JLabel = new JLabel(login_ImageIcon_normal);
		
		south_JPanel.add(login_JLabel);
		
		// 添加面板到窗体
		this.add(north_JPanel, "North");
		this.add(up_JPanel, "Center");
		this.add(west_JPanel, "West");
		this.add(south_JPanel, "South");
		
		// 去掉窗体的样式
		this.setUndecorated(true);
//		this.getRootPane().setWindowDecorationStyle(JRootPane.QUESTION_DIALOG);
		
//		this.setExtendedState(this.ICONIFIED); //最小化 
//		this.setExtendedState(JFrame.MAXIMIZED_BOTH); //最大化 
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setBounds(ViewUthil.getPositionX(400), ViewUthil.getPositionY(300), background.getIconWidth(), background.getIconHeight());
		this.setVisible(true);
		
		MyEvent(this);
	}
	
	private void MyEvent(final JFrame jFrame){
		
		// 登陆按钮鼠标事件
		login_JLabel.addMouseListener(new MouseAdapter() {
			@Override
			public void mousePressed(MouseEvent e) {
				login_JLabel.setIcon(login_ImageIcon_normal_press);
			}
			@Override
			public void mouseReleased(MouseEvent e) {
				login_JLabel.setIcon(login_ImageIcon_press);
			}
			@Override
			public void mouseEntered(MouseEvent e) {
				login_JLabel.setIcon(login_ImageIcon_press);
			}
			@Override
			public void mouseExited(MouseEvent e) {
				login_JLabel.setIcon(login_ImageIcon_normal);
			}
		});
		
		// 关闭按钮相关事件
		close_JLabel.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseReleased(MouseEvent e) {
				System.exit(0);
			}
			@Override
			public void mousePressed(MouseEvent e) {
				close_JLabel.setIcon(close_ImageIcon_down);
			}
			@Override
			public void mouseExited(MouseEvent e) {
				close_JLabel.setIcon(close_ImageIcon_normal);
			}
			@Override
			public void mouseEntered(MouseEvent e) {
				close_JLabel.setIcon(close_ImageIcon_highlight);
			}
		});
		
		// 忘记密码标签
		forgotPwd_JLabel.addMouseListener(new MouseAdapter(){
			@Override
			public void mousePressed(MouseEvent e) {
				forgotPwd_JLabel.setIcon(mima_ImageIcon_press);
			}
			@Override
			public void mouseReleased(MouseEvent e) {
				forgotPwd_JLabel.setIcon(mima_ImageIcon_hover);
			}
			@Override
			public void mouseEntered(MouseEvent e) {
				forgotPwd_JLabel.setIcon(mima_ImageIcon_hover);
			}
			@Override
			public void mouseExited(MouseEvent e) {
				forgotPwd_JLabel.setIcon(mima_ImageIcon_press);
			}});
		
		// 注册
		register_JLabel.addMouseListener(new MouseAdapter(){
			@Override
			public void mousePressed(MouseEvent e) {
				register_JLabel.setIcon(zhuce_ImageIcon_press);
			}
			@Override
			public void mouseReleased(MouseEvent e) {
				register_JLabel.setIcon(zhuce_ImageIcon_hover);
			}
			@Override
			public void mouseEntered(MouseEvent e) {
				register_JLabel.setIcon(zhuce_ImageIcon_hover);
			}
			@Override
			public void mouseExited(MouseEvent e) {
				register_JLabel.setIcon(zhuce_ImageIcon_press);
			}});
		
		// 北部布局添加事件
		north_JPanel.addMouseMotionListener(new MouseMotionAdapter() {
			// 按下并拖动
			public void mouseDragged(MouseEvent e) {
				int X = LoginView.M_X;
				int Y = LoginView.M_Y;

				jFrame.setLocation(e.getXOnScreen()-X, e.getYOnScreen()-Y);
//				System.out.println(e.getX());
			}
		});
		north_JPanel.addMouseListener(new MouseAdapter(){
			@Override
			public void mousePressed(MouseEvent e) {
				LoginView.M_X = e.getX();
				LoginView.M_Y = e.getY();
			}
		});
	}
	
}