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java實現(xiàn)窗口的代碼 java窗口代碼大全

用java做一個窗口

java做窗口的話,需要用swing技術(shù),之后創(chuàng)建JFrame 等組件,即可完成窗口創(chuàng)建工作。

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package inter.frame;import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;import javax.swing.JFrame;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JOptionPane;public class MenuTest { /**

* @param args

*/

JFrame frame; //定義一個窗口架構(gòu)

JMenuBar mb;//定義窗口的菜單工具欄

JMenu m; //定義菜單

JMenuItem mi1;//定義菜單的內(nèi)容

JMenuItem mi2; //定義菜單的內(nèi)容

public MenuTest() {

initFrame();

initAction();

}

public void initFrame() {

frame = new JFrame();

mb = new JMenuBar();

m = new JMenu("學(xué)生查詢");

mi1 = new JMenuItem("確認(rèn)");

mi2 = new JMenuItem("取消"); m.add(mi1);

m.add(mi2);

mb.add(m);

frame.add(mb, BorderLayout.NORTH);

frame.setSize(300, 300); //設(shè)置窗口大小

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//設(shè)置退出時關(guān)閉窗口

frame.setVisible(true);//設(shè)置窗口可見

} public void initAction() {

mi1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// 具體實現(xiàn)代碼根據(jù)實際要求填寫

System.out.println("click");

JOptionPane.showMessageDialog(null, "你點擊了確定按鈕");

}

});

mi2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// 具體實現(xiàn)代碼根據(jù)實際要求填寫

JOptionPane.showMessageDialog(null, "你點擊了取消按鈕");

}

});

} public static void main(String[] args) {

new MenuTest();//執(zhí)行菜單創(chuàng)建

}}

java編寫有窗口界面應(yīng)用程序 求代碼

package?image;

import?java.awt.BorderLayout;

import?java.awt.Color;

import?java.awt.Dimension;

import?java.awt.GridLayout;

import?javax.swing.JFrame;

import?javax.swing.JPanel;

import?javax.swing.SwingUtilities;

public?class?PanelRunner?extends?JFrame

{

private?static?final?long?serialVersionUID?=?1L;

private?static?void?initPanels?(?JFrame?pr?)

{

for?(?int?i?=?0;?i??5;?i++?)

{

JPanel?panel?=?new?JPanel?();

switch?(i)

{

case?0:

panel.setBackground?(Color.RED);

panel.setPreferredSize?(new?Dimension?(200,?100));

pr.add?(panel,?BorderLayout.NORTH);

break;

case?1:

panel.setBackground?(Color.YELLOW);

panel.setPreferredSize?(new?Dimension?(200,?300));

pr.add?(panel,?BorderLayout.EAST);

break;

case?2:

panel.setBackground?(Color.ORANGE);

panel.setPreferredSize?(new?Dimension?(200,?100));

pr.add?(panel,?BorderLayout.SOUTH);

break;

case?3:

panel.setBackground?(Color.WHITE);

panel.setPreferredSize?(new?Dimension?(200,?300));

pr.add?(panel,?BorderLayout.WEST);

break;

case?4:

pr.add?(panel,?BorderLayout.CENTER);

panel.setPreferredSize?(new?Dimension?(200,?100));

panel.setLayout?(new?GridLayout?(1,?2));

for?(?int?j?=?0;?j??2;?j++?)

{

JPanel?subPanel?=?new?JPanel?();

subPanel.setPreferredSize?(new?Dimension?(200,?100));

Color?color?=?j?==?0???Color.BLUE?:?Color.GREEN;

subPanel.setBackground?(color);

panel.add?(subPanel);

}

break;

default:

break;

}

}

}

private?static?void?initFrame?(?JFrame?pr?)

{

pr.setLayout?(new?BorderLayout?());

pr.setSize?(600,?300);

pr.setLocationRelativeTo?(null);

pr.setResizable?(false);

pr.setDefaultCloseOperation?(JFrame.EXIT_ON_CLOSE);

}

public?static?void?main?(?String[]?args?)

{

SwingUtilities.invokeLater?(new?Runnable?()

{

@Override

public?void?run?()

{

PanelRunner?pr?=?new?PanelRunner?();

initFrame?(pr);

initPanels?(pr);

pr.setVisible?(true);

}

});

}

}

java聊天窗口的實現(xiàn)

編寫一數(shù)據(jù)報通信程序 實現(xiàn)簡單的聊天功能

聊天內(nèi)容 和 輸入文本 分別為當(dāng)前聊天的歷史信息和當(dāng)前要傳送出去的聊天文本 確定 清空 退出 三個按鈕分別實現(xiàn)發(fā)送當(dāng)前聊天文本 清空當(dāng)前聊天文本和退出系統(tǒng)的功能 import java awt Font;

import java awt event ActionEvent;

import java awt event ActionListener;

import java awt event WindowEvent;

import java awt event WindowListener;

import DatagramPacket;

import DatagramSocket;

import InetAddress;

import SocketException;

import javax swing JButton;

import javax swing JFrame;

import javax swing JLabel;

import javax swing JScrollBar;

import javax swing JScrollPane;

import javax swing JTextArea;

import javax swing JTextField;

public class Frame extends JFrame implements WindowListener{

private JTextArea text;

private JTextField ipText;

private JTextField sendText;

private JButton button;

private JButton button ;

private JButton button ;

private DatagramSocket socket;

private JScrollBar vsBar;

public Frame(){

setTitle( 聊天器 );

setBounds( );

text=new JTextArea();

text setEditable(true);

setLayout(null);

JScrollPane textPanel = new JScrollPane(text);

vsBar = textPanel getVerticalScrollBar();

textPanel setBounds( );

getContentPane() add(textPanel);

JLabel label=new JLabel( 請輸入對方IP );

label setFont(new Font( Font BOLD ));

label setBounds( );

getContentPane() add(label);

ipText = new JTextField();

ipText setBounds( );

getContentPane() add(ipText);

button=new JButton();

button setText( 確定 );

button setBounds( );

button setFont(new Font( Font BOLD ));

getContentPane() add(button);

button addActionListener(new send());

button =new JButton( 清空 );

button setBounds( );

button setFont(new Font( Font BOLD ));

getContentPane() add(button );

button addActionListener(new clear());

button =new JButton( 退出 );

button setBounds( );

button setFont(new Font( Font BOLD ));

getContentPane() add(button );

button addActionListener(new exit());

this addWindowListener(this);

sendText = new JTextField();

sendText setBounds( );

getContentPane() add(sendText);

//server();

pack();

setVisible(true);

}

class send implements ActionListener{

public void actionPerformed(ActionEvent e) {

try{

String ip=ipText getText();

InetAddress address=InetAddress getByName(ip);

byte[] data=sendText getText() getBytes();

DatagramPacket dp=new DatagramPacket(data data length address );

String myip=InetAddress getLocalHost() getHostAddress();

text append(myip+ :\n +sendText getText()+ \n );

socket send(dp);

sendText setText(null);

}catch(Exception e ){

System out println(e );

}

}

}

class clear implements ActionListener{

public void actionPerformed(ActionEvent e) {

text setText( );

}

}

class exit implements ActionListener{

public void actionPerformed(ActionEvent e) {

System exit( );

}

}

private void server() {

try {

socket=new DatagramSocket( );

byte[] buf=new byte[ ];

final DatagramPacket dp =new DatagramPacket(buf buf length);

Runnable runnable=new Runnable(){

public void run(){

while(true){

try{

Thread sleep( );

socket receive(dp );

String message=new String(dp getData() dp getLength());

String ip=dp getAddress() getHostAddress();

if(!InetAddress getLocalHost() getHostAddress() equals(ip))

text append(ip+ :\n +message+ \n );

}catch(Exception e){

System out println(e);

}

}

}

};

new Thread(runnable) start();

} catch (SocketException e ) {

e printStackTrace();

}

}

public static void main(String[] args) {

Frame frame=new Frame();

}

public void windowActivated(WindowEvent e) {

// TODO Auto generated method stub

}

public void windowClosed(WindowEvent e) {

// TODO Auto generated method stub

}

public void windowClosing(WindowEvent e) {

// TODO Auto generated method stub

System exit( );

}

public void windowDeactivated(WindowEvent e) {

// TODO Auto generated method stub

}

public void windowDeiconified(WindowEvent e) {

// TODO Auto generated method stub

}

public void windowIconified(WindowEvent e) {

// TODO Auto generated method stub

}

public void windowOpened(WindowEvent e) {

// TODO Auto generated method stub

}

lishixinzhi/Article/program/Java/hx/201311/25580

JAVA用frame實現(xiàn)圖中2個窗口 怎么寫???

圖片看起來很模糊,隱約看到需要一個登錄窗口,那就分享一下以前練習(xí)的登錄窗口demo吧。

先上效果圖:

登錄界面

源碼如下:

AbsoluteLoginFrame.java

public class AbsoluteLoginFrame extends JFrame {

private static final int LOGIN_WIDTH = 600;

private static final int LOGIN_HEIGHT = 400;

private static final long serialVersionUID = -2381351968820980500L;

public AbsoluteLoginFrame(){

? //設(shè)置窗口標(biāo)題

? setTitle("登錄界面");

? //設(shè)置一個初始面板,填充整個窗口

? JPanel loginPanel = new JPanel();

? //設(shè)置背景顏色

? loginPanel.setBackground(new Color(204, 204, 204));//#CCC

? loginPanel.setLayout(null);

? JPanel centerPanel = new JPanel();

? centerPanel.setBackground(Color.WHITE);

? centerPanel.setBounds(114, 70, 360, 224);

? centerPanel.setLayout(null);

? JLabel jLabel = new JLabel("用戶名:");

? jLabel.setOpaque(true);

? jLabel.setBackground(Color.YELLOW);

? jLabel.setBounds(60, 60, 54, 20);

? JLabel label = new JLabel("密? ? 碼:");

? label.setOpaque(true);

? label.setBackground(Color.CYAN);

? label.setBounds(60, 90, 54, 20);

? JTextField textField = new JTextField(15);

? textField.setBounds(130, 60, 166, 21);

? JPasswordField passwordField = new JPasswordField(15);

? passwordField.setBounds(130, 90, 166, 21);

? JButton jButton = new JButton("登錄");

? jButton.setBounds(148, 120, 62, 28);

? centerPanel.add(jLabel);

? centerPanel.add(label);

? centerPanel.add(textField);

? centerPanel.add(jButton);

? centerPanel.add(passwordField);

? loginPanel.add(centerPanel);

? getContentPane().add(loginPanel);//將初始面板添加到窗口中

? setSize(LOGIN_WIDTH, LOGIN_HEIGHT);//設(shè)置窗口大小

? setLocation(Screen.getCenterPosition(LOGIN_WIDTH, LOGIN_HEIGHT));//設(shè)置窗口位置

? setDefaultCloseOperation(EXIT_ON_CLOSE);//設(shè)置窗口默認(rèn)關(guān)閉方式

? setResizable(false);

? setVisible(true);

}

public static void main(String[] args) {

? new AbsoluteLoginFrame();

}

}

Screen.java

public class Screen {

private int width;

private int height;

public Screen(){

? Toolkit toolkit = Toolkit.getDefaultToolkit();

? Dimension screenSize = toolkit.getScreenSize();

? this.width = screenSize.width;

? this.height = screenSize.height;

}

public static Point getCenterPosition(int width, int height){

? Screen screen = new Screen();

? int x = (screen.getWidth() - width) / 2;

? int y = (screen.getHeight() - height) / 2;

? return new Point(x, y);

}

public int getWidth() {

? return width;

}

public void setWidth(int width) {

? this.width = width;

}

public int getHeight() {

? return height;

}

public void setHeight(int height) {

? this.height = height;

}

}

求java窗口程序編程?

package window;

import java.awt.Container;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JTextArea;

import javax.swing.JTextField;

public class Window extends JFrame{

public static int num = 0;

public static void main(String[] args) {

new Window();

}

public Window(){

//設(shè)置x y坐標(biāo)

this.setLocation(400, 500);

//設(shè)置窗口大小

this.setSize(512, 512);

//設(shè)置窗口可見

this.setVisible(true);

//設(shè)置窗口關(guān)閉后程序停止

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//設(shè)置窗口不可移動

this.setResizable(false);

JButton but1 = new JButton("按鈕");

final JTextField text1 = new JTextField(10);


新聞標(biāo)題:java實現(xiàn)窗口的代碼 java窗口代碼大全
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