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，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

JMenuBar mb;//定義窗口的菜單工具欄

JMenu m; //定義菜單

JMenuItem mi1;//定義菜單的內容

JMenuItem mi2; //定義菜單的內容

public MenuTest() {

initFrame();

initAction();

}

public void initFrame() {

frame = new JFrame();

mb = new JMenuBar();

m = new JMenu("學生查詢");

mi1 = new JMenuItem("確認");

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

m.add(mi2);

mb.add(m);

frame.add(mb, BorderLayout.NORTH);

frame.setSize(300, 300); //設置窗口大小

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//設置退出時關閉窗口

frame.setVisible(true);//設置窗口可見

} 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)

編寫一數據報通信程序實現(xiàn)簡單的聊天功能

聊天內容和輸入文本分別為當前聊天的歷史信息和當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)送當前聊天文本清空當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 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) {